/*- * Copyright (c) 2006 Broadcom Corporation * David Christensen . 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. Neither the name of Broadcom Corporation nor the name of its contributors * may be used to endorse or promote products derived from this software * without specific prior written consent. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER OR CONTRIBUTORS * 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("$FreeBSD$"); /* * The following controllers are supported by this driver: * BCM5706C A2, A3 * BCM5708C B1 * * The following controllers are not supported by this driver: * (These are not "Production" versions of the controller.) * * BCM5706C A0, A1 * BCM5706S A0, A1, A2, A3 * BCM5708C A0, B0 * BCM5708S A0, B0, B1 */ #include "opt_bce.h" #include #include /****************************************************************************/ /* BCE Driver Version */ /****************************************************************************/ char bce_driver_version[] = "v0.9.6"; /****************************************************************************/ /* BCE Debug Options */ /****************************************************************************/ #ifdef BCE_DEBUG u32 bce_debug = BCE_WARN; /* 0 = Never */ /* 1 = 1 in 2,147,483,648 */ /* 256 = 1 in 8,388,608 */ /* 2048 = 1 in 1,048,576 */ /* 65536 = 1 in 32,768 */ /* 1048576 = 1 in 2,048 */ /* 268435456 = 1 in 8 */ /* 536870912 = 1 in 4 */ /* 1073741824 = 1 in 2 */ /* Controls how often the l2_fhdr frame error check will fail. */ int bce_debug_l2fhdr_status_check = 0; /* Controls how often the unexpected attention check will fail. */ int bce_debug_unexpected_attention = 0; /* Controls how often to simulate an mbuf allocation failure. */ int bce_debug_mbuf_allocation_failure = 0; /* Controls how often to simulate a DMA mapping failure. */ int bce_debug_dma_map_addr_failure = 0; /* Controls how often to simulate a bootcode failure. */ int bce_debug_bootcode_running_failure = 0; #endif /****************************************************************************/ /* PCI Device ID Table */ /* */ /* Used by bce_probe() to identify the devices supported by this driver. */ /****************************************************************************/ #define BCE_DEVDESC_MAX 64 static struct bce_type bce_devs[] = { /* BCM5706C Controllers and OEM boards. */ { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, HP_VENDORID, 0x3101, "HP NC370T Multifunction Gigabit Server Adapter" }, { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, HP_VENDORID, 0x3106, "HP NC370i Multifunction Gigabit Server Adapter" }, { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, PCI_ANY_ID, PCI_ANY_ID, "Broadcom NetXtreme II BCM5706 1000Base-T" }, /* BCM5706S controllers and OEM boards. */ { BRCM_VENDORID, BRCM_DEVICEID_BCM5706S, HP_VENDORID, 0x3102, "HP NC370F Multifunction Gigabit Server Adapter" }, { BRCM_VENDORID, BRCM_DEVICEID_BCM5706S, PCI_ANY_ID, PCI_ANY_ID, "Broadcom NetXtreme II BCM5706 1000Base-SX" }, /* BCM5708C controllers and OEM boards. */ { BRCM_VENDORID, BRCM_DEVICEID_BCM5708, PCI_ANY_ID, PCI_ANY_ID, "Broadcom NetXtreme II BCM5708 1000Base-T" }, /* BCM5708S controllers and OEM boards. */ { BRCM_VENDORID, BRCM_DEVICEID_BCM5708S, PCI_ANY_ID, PCI_ANY_ID, "Broadcom NetXtreme II BCM5708S 1000Base-T" }, { 0, 0, 0, 0, NULL } }; /****************************************************************************/ /* Supported Flash NVRAM device data. */ /****************************************************************************/ static struct flash_spec flash_table[] = { /* Slow EEPROM */ {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400, 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE, SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE, "EEPROM - slow"}, /* Expansion entry 0001 */ {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406, 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, SAIFUN_FLASH_BYTE_ADDR_MASK, 0, "Entry 0001"}, /* Saifun SA25F010 (non-buffered flash) */ /* strap, cfg1, & write1 need updates */ {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406, 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2, "Non-buffered flash (128kB)"}, /* Saifun SA25F020 (non-buffered flash) */ /* strap, cfg1, & write1 need updates */ {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406, 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4, "Non-buffered flash (256kB)"}, /* Expansion entry 0100 */ {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406, 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, SAIFUN_FLASH_BYTE_ADDR_MASK, 0, "Entry 0100"}, /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */ {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406, 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE, ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2, "Entry 0101: ST M45PE10 (128kB non-bufferred)"}, /* Entry 0110: ST M45PE20 (non-buffered flash)*/ {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406, 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE, ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4, "Entry 0110: ST M45PE20 (256kB non-bufferred)"}, /* Saifun SA25F005 (non-buffered flash) */ /* strap, cfg1, & write1 need updates */ {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406, 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE, "Non-buffered flash (64kB)"}, /* Fast EEPROM */ {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400, 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE, SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE, "EEPROM - fast"}, /* Expansion entry 1001 */ {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406, 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, SAIFUN_FLASH_BYTE_ADDR_MASK, 0, "Entry 1001"}, /* Expansion entry 1010 */ {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406, 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, SAIFUN_FLASH_BYTE_ADDR_MASK, 0, "Entry 1010"}, /* ATMEL AT45DB011B (buffered flash) */ {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400, 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE, "Buffered flash (128kB)"}, /* Expansion entry 1100 */ {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406, 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, SAIFUN_FLASH_BYTE_ADDR_MASK, 0, "Entry 1100"}, /* Expansion entry 1101 */ {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406, 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE, SAIFUN_FLASH_BYTE_ADDR_MASK, 0, "Entry 1101"}, /* Ateml Expansion entry 1110 */ {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400, 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, BUFFERED_FLASH_BYTE_ADDR_MASK, 0, "Entry 1110 (Atmel)"}, /* ATMEL AT45DB021B (buffered flash) */ {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400, 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE, BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2, "Buffered flash (256kB)"}, }; /****************************************************************************/ /* FreeBSD device entry points. */ /****************************************************************************/ static int bce_probe (device_t); static int bce_attach (device_t); static int bce_detach (device_t); static void bce_shutdown (device_t); /****************************************************************************/ /* BCE Debug Data Structure Dump Routines */ /****************************************************************************/ #ifdef BCE_DEBUG static void bce_dump_mbuf (struct bce_softc *, struct mbuf *); static void bce_dump_tx_mbuf_chain (struct bce_softc *, int, int); static void bce_dump_rx_mbuf_chain (struct bce_softc *, int, int); static void bce_dump_txbd (struct bce_softc *, int, struct tx_bd *); static void bce_dump_rxbd (struct bce_softc *, int, struct rx_bd *); static void bce_dump_l2fhdr (struct bce_softc *, int, struct l2_fhdr *); static void bce_dump_tx_chain (struct bce_softc *, int, int); static void bce_dump_rx_chain (struct bce_softc *, int, int); static void bce_dump_status_block (struct bce_softc *); static void bce_dump_stats_block (struct bce_softc *); static void bce_dump_driver_state (struct bce_softc *); static void bce_dump_hw_state (struct bce_softc *); static void bce_breakpoint (struct bce_softc *); #endif /****************************************************************************/ /* BCE Register/Memory Access Routines */ /****************************************************************************/ static u32 bce_reg_rd_ind (struct bce_softc *, u32); static void bce_reg_wr_ind (struct bce_softc *, u32, u32); static void bce_ctx_wr (struct bce_softc *, u32, u32, u32); static int bce_miibus_read_reg (device_t, int, int); static int bce_miibus_write_reg (device_t, int, int, int); static void bce_miibus_statchg (device_t); /****************************************************************************/ /* BCE NVRAM Access Routines */ /****************************************************************************/ static int bce_acquire_nvram_lock (struct bce_softc *); static int bce_release_nvram_lock (struct bce_softc *); static void bce_enable_nvram_access (struct bce_softc *); static void bce_disable_nvram_access(struct bce_softc *); static int bce_nvram_read_dword (struct bce_softc *, u32, u8 *, u32); static int bce_init_nvram (struct bce_softc *); static int bce_nvram_read (struct bce_softc *, u32, u8 *, int); static int bce_nvram_test (struct bce_softc *); #ifdef BCE_NVRAM_WRITE_SUPPORT static int bce_enable_nvram_write (struct bce_softc *); static void bce_disable_nvram_write (struct bce_softc *); static int bce_nvram_erase_page (struct bce_softc *, u32); static int bce_nvram_write_dword (struct bce_softc *, u32, u8 *, u32); static int bce_nvram_write (struct bce_softc *, u32, u8 *, int); #endif /****************************************************************************/ /* */ /****************************************************************************/ static void bce_dma_map_addr (void *, bus_dma_segment_t *, int, int); static int bce_dma_alloc (device_t); static void bce_dma_free (struct bce_softc *); static void bce_release_resources (struct bce_softc *); /****************************************************************************/ /* BCE Firmware Synchronization and Load */ /****************************************************************************/ static int bce_fw_sync (struct bce_softc *, u32); static void bce_load_rv2p_fw (struct bce_softc *, u32 *, u32, u32); static void bce_load_cpu_fw (struct bce_softc *, struct cpu_reg *, struct fw_info *); static void bce_init_cpus (struct bce_softc *); static void bce_stop (struct bce_softc *); static int bce_reset (struct bce_softc *, u32); static int bce_chipinit (struct bce_softc *); static int bce_blockinit (struct bce_softc *); static int bce_get_buf (struct bce_softc *, struct mbuf *, u16 *, u16 *, u32 *); static int bce_init_tx_chain (struct bce_softc *); static int bce_init_rx_chain (struct bce_softc *); static void bce_free_rx_chain (struct bce_softc *); static void bce_free_tx_chain (struct bce_softc *); static int bce_tx_encap (struct bce_softc *, struct mbuf **); static void bce_start_locked (struct ifnet *); static void bce_start (struct ifnet *); static int bce_ioctl (struct ifnet *, u_long, caddr_t); static void bce_watchdog (struct ifnet *); static int bce_ifmedia_upd (struct ifnet *); static void bce_ifmedia_sts (struct ifnet *, struct ifmediareq *); static void bce_init_locked (struct bce_softc *); static void bce_init (void *); static void bce_mgmt_init_locked(struct bce_softc *sc); static void bce_init_context (struct bce_softc *); static void bce_get_mac_addr (struct bce_softc *); static void bce_set_mac_addr (struct bce_softc *); static void bce_phy_intr (struct bce_softc *); static void bce_rx_intr (struct bce_softc *); static void bce_tx_intr (struct bce_softc *); static void bce_disable_intr (struct bce_softc *); static void bce_enable_intr (struct bce_softc *); #ifdef DEVICE_POLLING static void bce_poll_locked (struct ifnet *, enum poll_cmd, int); static void bce_poll (struct ifnet *, enum poll_cmd, int); #endif static void bce_intr (void *); static void bce_set_rx_mode (struct bce_softc *); static void bce_stats_update (struct bce_softc *); static void bce_tick_locked (struct bce_softc *); static void bce_tick (void *); static void bce_add_sysctls (struct bce_softc *); /****************************************************************************/ /* FreeBSD device dispatch table. */ /****************************************************************************/ static device_method_t bce_methods[] = { /* Device interface */ DEVMETHOD(device_probe, bce_probe), DEVMETHOD(device_attach, bce_attach), DEVMETHOD(device_detach, bce_detach), DEVMETHOD(device_shutdown, bce_shutdown), /* bus interface */ DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_driver_added, bus_generic_driver_added), /* MII interface */ DEVMETHOD(miibus_readreg, bce_miibus_read_reg), DEVMETHOD(miibus_writereg, bce_miibus_write_reg), DEVMETHOD(miibus_statchg, bce_miibus_statchg), { 0, 0 } }; static driver_t bce_driver = { "bce", bce_methods, sizeof(struct bce_softc) }; static devclass_t bce_devclass; MODULE_DEPEND(bce, pci, 1, 1, 1); MODULE_DEPEND(bce, ether, 1, 1, 1); MODULE_DEPEND(bce, miibus, 1, 1, 1); DRIVER_MODULE(bce, pci, bce_driver, bce_devclass, 0, 0); DRIVER_MODULE(miibus, bce, miibus_driver, miibus_devclass, 0, 0); /****************************************************************************/ /* Device probe function. */ /* */ /* Compares the device to the driver's list of supported devices and */ /* reports back to the OS whether this is the right driver for the device. */ /* */ /* Returns: */ /* BUS_PROBE_DEFAULT on success, positive value on failure. */ /****************************************************************************/ static int bce_probe(device_t dev) { struct bce_type *t; struct bce_softc *sc; char *descbuf; u16 vid = 0, did = 0, svid = 0, sdid = 0; t = bce_devs; sc = device_get_softc(dev); bzero(sc, sizeof(struct bce_softc)); sc->bce_unit = device_get_unit(dev); sc->bce_dev = dev; /* Get the data for the device to be probed. */ vid = pci_get_vendor(dev); did = pci_get_device(dev); svid = pci_get_subvendor(dev); sdid = pci_get_subdevice(dev); DBPRINT(sc, BCE_VERBOSE_LOAD, "%s(); VID = 0x%04X, DID = 0x%04X, SVID = 0x%04X, " "SDID = 0x%04X\n", __FUNCTION__, vid, did, svid, sdid); /* Look through the list of known devices for a match. */ while(t->bce_name != NULL) { if ((vid == t->bce_vid) && (did == t->bce_did) && ((svid == t->bce_svid) || (t->bce_svid == PCI_ANY_ID)) && ((sdid == t->bce_sdid) || (t->bce_sdid == PCI_ANY_ID))) { descbuf = malloc(BCE_DEVDESC_MAX, M_TEMP, M_NOWAIT); if (descbuf == NULL) return(ENOMEM); /* Print out the device identity. */ snprintf(descbuf, BCE_DEVDESC_MAX, "%s (%c%d), %s", t->bce_name, (((pci_read_config(dev, PCIR_REVID, 4) & 0xf0) >> 4) + 'A'), (pci_read_config(dev, PCIR_REVID, 4) & 0xf), bce_driver_version); device_set_desc_copy(dev, descbuf); free(descbuf, M_TEMP); return(BUS_PROBE_DEFAULT); } t++; } DBPRINT(sc, BCE_VERBOSE_LOAD, "%s(%d): No IOCTL match found!\n", __FILE__, __LINE__); return(ENXIO); } /****************************************************************************/ /* Device attach function. */ /* */ /* Allocates device resources, performs secondary chip identification, */ /* resets and initializes the hardware, and initializes driver instance */ /* variables. */ /* */ /* Returns: */ /* 0 on success, positive value on failure. */ /****************************************************************************/ static int bce_attach(device_t dev) { struct bce_softc *sc; struct ifnet *ifp; u32 val; int count, mbuf, rid, rc = 0; sc = device_get_softc(dev); sc->bce_dev = dev; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); mbuf = device_get_unit(dev); sc->bce_unit = mbuf; pci_enable_busmaster(dev); /* Allocate PCI memory resources. */ rid = PCIR_BAR(0); sc->bce_res = bus_alloc_resource_any( dev, /* dev */ SYS_RES_MEMORY, /* type */ &rid, /* rid */ RF_ACTIVE | PCI_RF_DENSE); /* flags */ if (sc->bce_res == NULL) { BCE_PRINTF(sc, "%s(%d): PCI memory allocation failed\n", __FILE__, __LINE__); rc = ENXIO; goto bce_attach_fail; } /* Get various resource handles. */ sc->bce_btag = rman_get_bustag(sc->bce_res); sc->bce_bhandle = rman_get_bushandle(sc->bce_res); sc->bce_vhandle = (vm_offset_t) rman_get_virtual(sc->bce_res); /* Allocate PCI IRQ resources. */ count = pci_msi_count(dev); if (count == 1 && pci_alloc_msi(dev, &count) == 0) { rid = 1; sc->bce_flags |= BCE_USING_MSI_FLAG; } else rid = 0; sc->bce_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE); if (sc->bce_irq == NULL) { BCE_PRINTF(sc, "%s(%d): PCI map interrupt failed\n", __FILE__, __LINE__); rc = ENXIO; goto bce_attach_fail; } /* Initialize mutex for the current device instance. */ BCE_LOCK_INIT(sc, device_get_nameunit(dev)); /* * Configure byte swap and enable indirect register access. * Rely on CPU to do target byte swapping on big endian systems. * Access to registers outside of PCI configurtion space are not * valid until this is done. */ pci_write_config(dev, BCE_PCICFG_MISC_CONFIG, BCE_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | BCE_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP, 4); /* Save ASIC revsion info. */ sc->bce_chipid = REG_RD(sc, BCE_MISC_ID); /* Weed out any non-production controller revisions. */ switch(BCE_CHIP_ID(sc)) { case BCE_CHIP_ID_5706_A0: case BCE_CHIP_ID_5706_A1: case BCE_CHIP_ID_5708_A0: case BCE_CHIP_ID_5708_B0: BCE_PRINTF(sc, "%s(%d): Unsupported controller revision (%c%d)!\n", __FILE__, __LINE__, (((pci_read_config(dev, PCIR_REVID, 4) & 0xf0) >> 4) + 'A'), (pci_read_config(dev, PCIR_REVID, 4) & 0xf)); rc = ENODEV; goto bce_attach_fail; } if (BCE_CHIP_BOND_ID(sc) & BCE_CHIP_BOND_ID_SERDES_BIT) { BCE_PRINTF(sc, "%s(%d): SerDes controllers are not supported!\n", __FILE__, __LINE__); rc = ENODEV; goto bce_attach_fail; } /* * The embedded PCIe to PCI-X bridge (EPB) * in the 5708 cannot address memory above * 40 bits (E7_5708CB1_23043 & E6_5708SB1_23043). */ if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5708) sc->max_bus_addr = BCE_BUS_SPACE_MAXADDR; else sc->max_bus_addr = BUS_SPACE_MAXADDR; /* * Find the base address for shared memory access. * Newer versions of bootcode use a signature and offset * while older versions use a fixed address. */ val = REG_RD_IND(sc, BCE_SHM_HDR_SIGNATURE); if ((val & BCE_SHM_HDR_SIGNATURE_SIG_MASK) == BCE_SHM_HDR_SIGNATURE_SIG) sc->bce_shmem_base = REG_RD_IND(sc, BCE_SHM_HDR_ADDR_0); else sc->bce_shmem_base = HOST_VIEW_SHMEM_BASE; DBPRINT(sc, BCE_INFO, "bce_shmem_base = 0x%08X\n", sc->bce_shmem_base); /* Set initial device and PHY flags */ sc->bce_flags = 0; sc->bce_phy_flags = 0; /* Get PCI bus information (speed and type). */ val = REG_RD(sc, BCE_PCICFG_MISC_STATUS); if (val & BCE_PCICFG_MISC_STATUS_PCIX_DET) { u32 clkreg; sc->bce_flags |= BCE_PCIX_FLAG; clkreg = REG_RD(sc, BCE_PCICFG_PCI_CLOCK_CONTROL_BITS); clkreg &= BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET; switch (clkreg) { case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ: sc->bus_speed_mhz = 133; break; case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ: sc->bus_speed_mhz = 100; break; case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ: case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ: sc->bus_speed_mhz = 66; break; case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ: case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ: sc->bus_speed_mhz = 50; break; case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW: case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ: case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ: sc->bus_speed_mhz = 33; break; } } else { if (val & BCE_PCICFG_MISC_STATUS_M66EN) sc->bus_speed_mhz = 66; else sc->bus_speed_mhz = 33; } if (val & BCE_PCICFG_MISC_STATUS_32BIT_DET) sc->bce_flags |= BCE_PCI_32BIT_FLAG; BCE_PRINTF(sc, "ASIC ID 0x%08X; Revision (%c%d); PCI%s %s %dMHz\n", sc->bce_chipid, ((BCE_CHIP_ID(sc) & 0xf000) >> 12) + 'A', ((BCE_CHIP_ID(sc) & 0x0ff0) >> 4), ((sc->bce_flags & BCE_PCIX_FLAG) ? "-X" : ""), ((sc->bce_flags & BCE_PCI_32BIT_FLAG) ? "32-bit" : "64-bit"), sc->bus_speed_mhz); /* Reset the controller. */ if (bce_reset(sc, BCE_DRV_MSG_CODE_RESET)) { rc = ENXIO; goto bce_attach_fail; } /* Initialize the controller. */ if (bce_chipinit(sc)) { BCE_PRINTF(sc, "%s(%d): Controller initialization failed!\n", __FILE__, __LINE__); rc = ENXIO; goto bce_attach_fail; } /* Perform NVRAM test. */ if (bce_nvram_test(sc)) { BCE_PRINTF(sc, "%s(%d): NVRAM test failed!\n", __FILE__, __LINE__); rc = ENXIO; goto bce_attach_fail; } /* Fetch the permanent Ethernet MAC address. */ bce_get_mac_addr(sc); /* * Trip points control how many BDs * should be ready before generating an * interrupt while ticks control how long * a BD can sit in the chain before * generating an interrupt. Set the default * values for the RX and TX rings. */ #ifdef BCE_DRBUG /* Force more frequent interrupts. */ sc->bce_tx_quick_cons_trip_int = 1; sc->bce_tx_quick_cons_trip = 1; sc->bce_tx_ticks_int = 0; sc->bce_tx_ticks = 0; sc->bce_rx_quick_cons_trip_int = 1; sc->bce_rx_quick_cons_trip = 1; sc->bce_rx_ticks_int = 0; sc->bce_rx_ticks = 0; #else sc->bce_tx_quick_cons_trip_int = 20; sc->bce_tx_quick_cons_trip = 20; sc->bce_tx_ticks_int = 80; sc->bce_tx_ticks = 80; sc->bce_rx_quick_cons_trip_int = 6; sc->bce_rx_quick_cons_trip = 6; sc->bce_rx_ticks_int = 18; sc->bce_rx_ticks = 18; #endif /* Update statistics once every second. */ sc->bce_stats_ticks = 1000000 & 0xffff00; /* * The copper based NetXtreme II controllers * use an integrated PHY at address 1 while * the SerDes controllers use a PHY at * address 2. */ sc->bce_phy_addr = 1; if (BCE_CHIP_BOND_ID(sc) & BCE_CHIP_BOND_ID_SERDES_BIT) { sc->bce_phy_flags |= BCE_PHY_SERDES_FLAG; sc->bce_flags |= BCE_NO_WOL_FLAG; if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5708) { sc->bce_phy_addr = 2; val = REG_RD_IND(sc, sc->bce_shmem_base + BCE_SHARED_HW_CFG_CONFIG); if (val & BCE_SHARED_HW_CFG_PHY_2_5G) sc->bce_phy_flags |= BCE_PHY_2_5G_CAPABLE_FLAG; } } /* Allocate DMA memory resources. */ if (bce_dma_alloc(dev)) { BCE_PRINTF(sc, "%s(%d): DMA resource allocation failed!\n", __FILE__, __LINE__); rc = ENXIO; goto bce_attach_fail; } /* Allocate an ifnet structure. */ ifp = sc->bce_ifp = if_alloc(IFT_ETHER); if (ifp == NULL) { BCE_PRINTF(sc, "%s(%d): Interface allocation failed!\n", __FILE__, __LINE__); rc = ENXIO; goto bce_attach_fail; } /* Initialize the ifnet interface. */ 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 = bce_ioctl; ifp->if_start = bce_start; ifp->if_timer = 0; ifp->if_watchdog = bce_watchdog; ifp->if_init = bce_init; ifp->if_mtu = ETHERMTU; ifp->if_hwassist = BCE_IF_HWASSIST; ifp->if_capabilities = BCE_IF_CAPABILITIES; ifp->if_capenable = ifp->if_capabilities; /* Assume a standard 1500 byte MTU size for mbuf allocations. */ sc->mbuf_alloc_size = MCLBYTES; #ifdef DEVICE_POLLING ifp->if_capabilities |= IFCAP_POLLING; #endif ifp->if_snd.ifq_drv_maxlen = USABLE_TX_BD; if (sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG) ifp->if_baudrate = IF_Gbps(2.5); else ifp->if_baudrate = IF_Gbps(1); IFQ_SET_MAXLEN(&ifp->if_snd, ifp->if_snd.ifq_drv_maxlen); IFQ_SET_READY(&ifp->if_snd); if (sc->bce_phy_flags & BCE_PHY_SERDES_FLAG) { BCE_PRINTF(sc, "%s(%d): SerDes is not supported by this driver!\n", __FILE__, __LINE__); rc = ENODEV; goto bce_attach_fail; } else { /* Look for our PHY. */ if (mii_phy_probe(dev, &sc->bce_miibus, bce_ifmedia_upd, bce_ifmedia_sts)) { BCE_PRINTF(sc, "%s(%d): PHY probe failed!\n", __FILE__, __LINE__); rc = ENXIO; goto bce_attach_fail; } } /* Attach to the Ethernet interface list. */ ether_ifattach(ifp, sc->eaddr); #if __FreeBSD_version < 500000 callout_init(&sc->bce_stat_ch); #else callout_init(&sc->bce_stat_ch, CALLOUT_MPSAFE); #endif /* Hookup IRQ last. */ rc = bus_setup_intr(dev, sc->bce_irq, INTR_TYPE_NET | INTR_MPSAFE, bce_intr, sc, &sc->bce_intrhand); if (rc) { BCE_PRINTF(sc, "%s(%d): Failed to setup IRQ!\n", __FILE__, __LINE__); bce_detach(dev); goto bce_attach_exit; } /* Print some important debugging info. */ DBRUN(BCE_INFO, bce_dump_driver_state(sc)); /* Add the supported sysctls to the kernel. */ bce_add_sysctls(sc); /* Get the firmware running so IPMI still works */ BCE_LOCK(sc); bce_mgmt_init_locked(sc); BCE_UNLOCK(sc); goto bce_attach_exit; bce_attach_fail: bce_release_resources(sc); bce_attach_exit: DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return(rc); } /****************************************************************************/ /* Device detach function. */ /* */ /* Stops the controller, resets the controller, and releases resources. */ /* */ /* Returns: */ /* 0 on success, positive value on failure. */ /****************************************************************************/ static int bce_detach(device_t dev) { struct bce_softc *sc; struct ifnet *ifp; sc = device_get_softc(dev); DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); ifp = sc->bce_ifp; #ifdef DEVICE_POLLING if (ifp->if_capenable & IFCAP_POLLING) ether_poll_deregister(ifp); #endif /* Stop and reset the controller. */ BCE_LOCK(sc); bce_stop(sc); bce_reset(sc, BCE_DRV_MSG_CODE_RESET); BCE_UNLOCK(sc); ether_ifdetach(ifp); /* If we have a child device on the MII bus remove it too. */ if (sc->bce_phy_flags & BCE_PHY_SERDES_FLAG) { ifmedia_removeall(&sc->bce_ifmedia); } else { bus_generic_detach(dev); device_delete_child(dev, sc->bce_miibus); } /* Release all remaining resources. */ bce_release_resources(sc); DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return(0); } /****************************************************************************/ /* Device shutdown function. */ /* */ /* Stops and resets the controller. */ /* */ /* Returns: */ /* Nothing */ /****************************************************************************/ static void bce_shutdown(device_t dev) { struct bce_softc *sc = device_get_softc(dev); BCE_LOCK(sc); bce_stop(sc); bce_reset(sc, BCE_DRV_MSG_CODE_RESET); BCE_UNLOCK(sc); } /****************************************************************************/ /* Indirect register read. */ /* */ /* Reads NetXtreme II registers using an index/data register pair in PCI */ /* configuration space. Using this mechanism avoids issues with posted */ /* reads but is much slower than memory-mapped I/O. */ /* */ /* Returns: */ /* The value of the register. */ /****************************************************************************/ static u32 bce_reg_rd_ind(struct bce_softc *sc, u32 offset) { device_t dev; dev = sc->bce_dev; pci_write_config(dev, BCE_PCICFG_REG_WINDOW_ADDRESS, offset, 4); #ifdef BCE_DEBUG { u32 val; val = pci_read_config(dev, BCE_PCICFG_REG_WINDOW, 4); DBPRINT(sc, BCE_EXCESSIVE, "%s(); offset = 0x%08X, val = 0x%08X\n", __FUNCTION__, offset, val); return val; } #else return pci_read_config(dev, BCE_PCICFG_REG_WINDOW, 4); #endif } /****************************************************************************/ /* Indirect register write. */ /* */ /* Writes NetXtreme II registers using an index/data register pair in PCI */ /* configuration space. Using this mechanism avoids issues with posted */ /* writes but is muchh slower than memory-mapped I/O. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_reg_wr_ind(struct bce_softc *sc, u32 offset, u32 val) { device_t dev; dev = sc->bce_dev; DBPRINT(sc, BCE_EXCESSIVE, "%s(); offset = 0x%08X, val = 0x%08X\n", __FUNCTION__, offset, val); pci_write_config(dev, BCE_PCICFG_REG_WINDOW_ADDRESS, offset, 4); pci_write_config(dev, BCE_PCICFG_REG_WINDOW, val, 4); } /****************************************************************************/ /* Context memory write. */ /* */ /* The NetXtreme II controller uses context memory to track connection */ /* information for L2 and higher network protocols. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_ctx_wr(struct bce_softc *sc, u32 cid_addr, u32 offset, u32 val) { DBPRINT(sc, BCE_EXCESSIVE, "%s(); cid_addr = 0x%08X, offset = 0x%08X, " "val = 0x%08X\n", __FUNCTION__, cid_addr, offset, val); offset += cid_addr; REG_WR(sc, BCE_CTX_DATA_ADR, offset); REG_WR(sc, BCE_CTX_DATA, val); } /****************************************************************************/ /* PHY register read. */ /* */ /* Implements register reads on the MII bus. */ /* */ /* Returns: */ /* The value of the register. */ /****************************************************************************/ static int bce_miibus_read_reg(device_t dev, int phy, int reg) { struct bce_softc *sc; u32 val; int i; sc = device_get_softc(dev); /* Make sure we are accessing the correct PHY address. */ if (phy != sc->bce_phy_addr) { DBPRINT(sc, BCE_VERBOSE, "Invalid PHY address %d for PHY read!\n", phy); return(0); } if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) { val = REG_RD(sc, BCE_EMAC_MDIO_MODE); val &= ~BCE_EMAC_MDIO_MODE_AUTO_POLL; REG_WR(sc, BCE_EMAC_MDIO_MODE, val); REG_RD(sc, BCE_EMAC_MDIO_MODE); DELAY(40); } val = BCE_MIPHY(phy) | BCE_MIREG(reg) | BCE_EMAC_MDIO_COMM_COMMAND_READ | BCE_EMAC_MDIO_COMM_DISEXT | BCE_EMAC_MDIO_COMM_START_BUSY; REG_WR(sc, BCE_EMAC_MDIO_COMM, val); for (i = 0; i < BCE_PHY_TIMEOUT; i++) { DELAY(10); val = REG_RD(sc, BCE_EMAC_MDIO_COMM); if (!(val & BCE_EMAC_MDIO_COMM_START_BUSY)) { DELAY(5); val = REG_RD(sc, BCE_EMAC_MDIO_COMM); val &= BCE_EMAC_MDIO_COMM_DATA; break; } } if (val & BCE_EMAC_MDIO_COMM_START_BUSY) { BCE_PRINTF(sc, "%s(%d): Error: PHY read timeout! phy = %d, reg = 0x%04X\n", __FILE__, __LINE__, phy, reg); val = 0x0; } else { val = REG_RD(sc, BCE_EMAC_MDIO_COMM); } DBPRINT(sc, BCE_EXCESSIVE, "%s(): phy = %d, reg = 0x%04X, val = 0x%04X\n", __FUNCTION__, phy, (u16) reg & 0xffff, (u16) val & 0xffff); if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) { val = REG_RD(sc, BCE_EMAC_MDIO_MODE); val |= BCE_EMAC_MDIO_MODE_AUTO_POLL; REG_WR(sc, BCE_EMAC_MDIO_MODE, val); REG_RD(sc, BCE_EMAC_MDIO_MODE); DELAY(40); } return (val & 0xffff); } /****************************************************************************/ /* PHY register write. */ /* */ /* Implements register writes on the MII bus. */ /* */ /* Returns: */ /* The value of the register. */ /****************************************************************************/ static int bce_miibus_write_reg(device_t dev, int phy, int reg, int val) { struct bce_softc *sc; u32 val1; int i; sc = device_get_softc(dev); /* Make sure we are accessing the correct PHY address. */ if (phy != sc->bce_phy_addr) { DBPRINT(sc, BCE_WARN, "Invalid PHY address %d for PHY write!\n", phy); return(0); } DBPRINT(sc, BCE_EXCESSIVE, "%s(): phy = %d, reg = 0x%04X, val = 0x%04X\n", __FUNCTION__, phy, (u16) reg & 0xffff, (u16) val & 0xffff); if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) { val1 = REG_RD(sc, BCE_EMAC_MDIO_MODE); val1 &= ~BCE_EMAC_MDIO_MODE_AUTO_POLL; REG_WR(sc, BCE_EMAC_MDIO_MODE, val1); REG_RD(sc, BCE_EMAC_MDIO_MODE); DELAY(40); } val1 = BCE_MIPHY(phy) | BCE_MIREG(reg) | val | BCE_EMAC_MDIO_COMM_COMMAND_WRITE | BCE_EMAC_MDIO_COMM_START_BUSY | BCE_EMAC_MDIO_COMM_DISEXT; REG_WR(sc, BCE_EMAC_MDIO_COMM, val1); for (i = 0; i < BCE_PHY_TIMEOUT; i++) { DELAY(10); val1 = REG_RD(sc, BCE_EMAC_MDIO_COMM); if (!(val1 & BCE_EMAC_MDIO_COMM_START_BUSY)) { DELAY(5); break; } } if (val1 & BCE_EMAC_MDIO_COMM_START_BUSY) BCE_PRINTF(sc, "%s(%d): PHY write timeout!\n", __FILE__, __LINE__); if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) { val1 = REG_RD(sc, BCE_EMAC_MDIO_MODE); val1 |= BCE_EMAC_MDIO_MODE_AUTO_POLL; REG_WR(sc, BCE_EMAC_MDIO_MODE, val1); REG_RD(sc, BCE_EMAC_MDIO_MODE); DELAY(40); } return 0; } /****************************************************************************/ /* MII bus status change. */ /* */ /* Called by the MII bus driver when the PHY establishes link to set the */ /* MAC interface registers. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_miibus_statchg(device_t dev) { struct bce_softc *sc; struct mii_data *mii; sc = device_get_softc(dev); mii = device_get_softc(sc->bce_miibus); BCE_CLRBIT(sc, BCE_EMAC_MODE, BCE_EMAC_MODE_PORT); /* Set MII or GMII inerface based on the speed negotiated by the PHY. */ if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T) { DBPRINT(sc, BCE_INFO, "Setting GMII interface.\n"); BCE_SETBIT(sc, BCE_EMAC_MODE, BCE_EMAC_MODE_PORT_GMII); } else { DBPRINT(sc, BCE_INFO, "Setting MII interface.\n"); BCE_SETBIT(sc, BCE_EMAC_MODE, BCE_EMAC_MODE_PORT_MII); } /* Set half or full duplex based on the duplicity negotiated by the PHY. */ if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) { DBPRINT(sc, BCE_INFO, "Setting Full-Duplex interface.\n"); BCE_CLRBIT(sc, BCE_EMAC_MODE, BCE_EMAC_MODE_HALF_DUPLEX); } else { DBPRINT(sc, BCE_INFO, "Setting Half-Duplex interface.\n"); BCE_SETBIT(sc, BCE_EMAC_MODE, BCE_EMAC_MODE_HALF_DUPLEX); } } /****************************************************************************/ /* Acquire NVRAM lock. */ /* */ /* Before the NVRAM can be accessed the caller must acquire an NVRAM lock. */ /* Locks 0 and 2 are reserved, lock 1 is used by firmware and lock 2 is */ /* for use by the driver. */ /* */ /* Returns: */ /* 0 on success, positive value on failure. */ /****************************************************************************/ static int bce_acquire_nvram_lock(struct bce_softc *sc) { u32 val; int j; DBPRINT(sc, BCE_VERBOSE, "Acquiring NVRAM lock.\n"); /* Request access to the flash interface. */ REG_WR(sc, BCE_NVM_SW_ARB, BCE_NVM_SW_ARB_ARB_REQ_SET2); for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { val = REG_RD(sc, BCE_NVM_SW_ARB); if (val & BCE_NVM_SW_ARB_ARB_ARB2) break; DELAY(5); } if (j >= NVRAM_TIMEOUT_COUNT) { DBPRINT(sc, BCE_WARN, "Timeout acquiring NVRAM lock!\n"); return EBUSY; } return 0; } /****************************************************************************/ /* Release NVRAM lock. */ /* */ /* When the caller is finished accessing NVRAM the lock must be released. */ /* Locks 0 and 2 are reserved, lock 1 is used by firmware and lock 2 is */ /* for use by the driver. */ /* */ /* Returns: */ /* 0 on success, positive value on failure. */ /****************************************************************************/ static int bce_release_nvram_lock(struct bce_softc *sc) { int j; u32 val; DBPRINT(sc, BCE_VERBOSE, "Releasing NVRAM lock.\n"); /* * Relinquish nvram interface. */ REG_WR(sc, BCE_NVM_SW_ARB, BCE_NVM_SW_ARB_ARB_REQ_CLR2); for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { val = REG_RD(sc, BCE_NVM_SW_ARB); if (!(val & BCE_NVM_SW_ARB_ARB_ARB2)) break; DELAY(5); } if (j >= NVRAM_TIMEOUT_COUNT) { DBPRINT(sc, BCE_WARN, "Timeout reeasing NVRAM lock!\n"); return EBUSY; } return 0; } #ifdef BCE_NVRAM_WRITE_SUPPORT /****************************************************************************/ /* Enable NVRAM write access. */ /* */ /* Before writing to NVRAM the caller must enable NVRAM writes. */ /* */ /* Returns: */ /* 0 on success, positive value on failure. */ /****************************************************************************/ static int bce_enable_nvram_write(struct bce_softc *sc) { u32 val; DBPRINT(sc, BCE_VERBOSE, "Enabling NVRAM write.\n"); val = REG_RD(sc, BCE_MISC_CFG); REG_WR(sc, BCE_MISC_CFG, val | BCE_MISC_CFG_NVM_WR_EN_PCI); if (!sc->bce_flash_info->buffered) { int j; REG_WR(sc, BCE_NVM_COMMAND, BCE_NVM_COMMAND_DONE); REG_WR(sc, BCE_NVM_COMMAND, BCE_NVM_COMMAND_WREN | BCE_NVM_COMMAND_DOIT); for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { DELAY(5); val = REG_RD(sc, BCE_NVM_COMMAND); if (val & BCE_NVM_COMMAND_DONE) break; } if (j >= NVRAM_TIMEOUT_COUNT) { DBPRINT(sc, BCE_WARN, "Timeout writing NVRAM!\n"); return EBUSY; } } return 0; } /****************************************************************************/ /* Disable NVRAM write access. */ /* */ /* When the caller is finished writing to NVRAM write access must be */ /* disabled. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_disable_nvram_write(struct bce_softc *sc) { u32 val; DBPRINT(sc, BCE_VERBOSE, "Disabling NVRAM write.\n"); val = REG_RD(sc, BCE_MISC_CFG); REG_WR(sc, BCE_MISC_CFG, val & ~BCE_MISC_CFG_NVM_WR_EN); } #endif /****************************************************************************/ /* Enable NVRAM access. */ /* */ /* Before accessing NVRAM for read or write operations the caller must */ /* enabled NVRAM access. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_enable_nvram_access(struct bce_softc *sc) { u32 val; DBPRINT(sc, BCE_VERBOSE, "Enabling NVRAM access.\n"); val = REG_RD(sc, BCE_NVM_ACCESS_ENABLE); /* Enable both bits, even on read. */ REG_WR(sc, BCE_NVM_ACCESS_ENABLE, val | BCE_NVM_ACCESS_ENABLE_EN | BCE_NVM_ACCESS_ENABLE_WR_EN); } /****************************************************************************/ /* Disable NVRAM access. */ /* */ /* When the caller is finished accessing NVRAM access must be disabled. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_disable_nvram_access(struct bce_softc *sc) { u32 val; DBPRINT(sc, BCE_VERBOSE, "Disabling NVRAM access.\n"); val = REG_RD(sc, BCE_NVM_ACCESS_ENABLE); /* Disable both bits, even after read. */ REG_WR(sc, BCE_NVM_ACCESS_ENABLE, val & ~(BCE_NVM_ACCESS_ENABLE_EN | BCE_NVM_ACCESS_ENABLE_WR_EN)); } #ifdef BCE_NVRAM_WRITE_SUPPORT /****************************************************************************/ /* Erase NVRAM page before writing. */ /* */ /* Non-buffered flash parts require that a page be erased before it is */ /* written. */ /* */ /* Returns: */ /* 0 on success, positive value on failure. */ /****************************************************************************/ static int bce_nvram_erase_page(struct bce_softc *sc, u32 offset) { u32 cmd; int j; /* Buffered flash doesn't require an erase. */ if (sc->bce_flash_info->buffered) return 0; DBPRINT(sc, BCE_VERBOSE, "Erasing NVRAM page.\n"); /* Build an erase command. */ cmd = BCE_NVM_COMMAND_ERASE | BCE_NVM_COMMAND_WR | BCE_NVM_COMMAND_DOIT; /* * Clear the DONE bit separately, set the NVRAM adress to erase, * and issue the erase command. */ REG_WR(sc, BCE_NVM_COMMAND, BCE_NVM_COMMAND_DONE); REG_WR(sc, BCE_NVM_ADDR, offset & BCE_NVM_ADDR_NVM_ADDR_VALUE); REG_WR(sc, BCE_NVM_COMMAND, cmd); /* Wait for completion. */ for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { u32 val; DELAY(5); val = REG_RD(sc, BCE_NVM_COMMAND); if (val & BCE_NVM_COMMAND_DONE) break; } if (j >= NVRAM_TIMEOUT_COUNT) { DBPRINT(sc, BCE_WARN, "Timeout erasing NVRAM.\n"); return EBUSY; } return 0; } #endif /* BCE_NVRAM_WRITE_SUPPORT */ /****************************************************************************/ /* Read a dword (32 bits) from NVRAM. */ /* */ /* Read a 32 bit word from NVRAM. The caller is assumed to have already */ /* obtained the NVRAM lock and enabled the controller for NVRAM access. */ /* */ /* Returns: */ /* 0 on success and the 32 bit value read, positive value on failure. */ /****************************************************************************/ static int bce_nvram_read_dword(struct bce_softc *sc, u32 offset, u8 *ret_val, u32 cmd_flags) { u32 cmd; int i, rc = 0; /* Build the command word. */ cmd = BCE_NVM_COMMAND_DOIT | cmd_flags; /* Calculate the offset for buffered flash. */ if (sc->bce_flash_info->buffered) { offset = ((offset / sc->bce_flash_info->page_size) << sc->bce_flash_info->page_bits) + (offset % sc->bce_flash_info->page_size); } /* * Clear the DONE bit separately, set the address to read, * and issue the read. */ REG_WR(sc, BCE_NVM_COMMAND, BCE_NVM_COMMAND_DONE); REG_WR(sc, BCE_NVM_ADDR, offset & BCE_NVM_ADDR_NVM_ADDR_VALUE); REG_WR(sc, BCE_NVM_COMMAND, cmd); /* Wait for completion. */ for (i = 0; i < NVRAM_TIMEOUT_COUNT; i++) { u32 val; DELAY(5); val = REG_RD(sc, BCE_NVM_COMMAND); if (val & BCE_NVM_COMMAND_DONE) { val = REG_RD(sc, BCE_NVM_READ); val = bce_be32toh(val); memcpy(ret_val, &val, 4); break; } } /* Check for errors. */ if (i >= NVRAM_TIMEOUT_COUNT) { BCE_PRINTF(sc, "%s(%d): Timeout error reading NVRAM at offset 0x%08X!\n", __FILE__, __LINE__, offset); rc = EBUSY; } return(rc); } #ifdef BCE_NVRAM_WRITE_SUPPORT /****************************************************************************/ /* Write a dword (32 bits) to NVRAM. */ /* */ /* Write a 32 bit word to NVRAM. The caller is assumed to have already */ /* obtained the NVRAM lock, enabled the controller for NVRAM access, and */ /* enabled NVRAM write access. */ /* */ /* Returns: */ /* 0 on success, positive value on failure. */ /****************************************************************************/ static int bce_nvram_write_dword(struct bce_softc *sc, u32 offset, u8 *val, u32 cmd_flags) { u32 cmd, val32; int j; /* Build the command word. */ cmd = BCE_NVM_COMMAND_DOIT | BCE_NVM_COMMAND_WR | cmd_flags; /* Calculate the offset for buffered flash. */ if (sc->bce_flash_info->buffered) { offset = ((offset / sc->bce_flash_info->page_size) << sc->bce_flash_info->page_bits) + (offset % sc->bce_flash_info->page_size); } /* * Clear the DONE bit separately, convert NVRAM data to big-endian, * set the NVRAM address to write, and issue the write command */ REG_WR(sc, BCE_NVM_COMMAND, BCE_NVM_COMMAND_DONE); memcpy(&val32, val, 4); val32 = htobe32(val32); REG_WR(sc, BCE_NVM_WRITE, val32); REG_WR(sc, BCE_NVM_ADDR, offset & BCE_NVM_ADDR_NVM_ADDR_VALUE); REG_WR(sc, BCE_NVM_COMMAND, cmd); /* Wait for completion. */ for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) { DELAY(5); if (REG_RD(sc, BCE_NVM_COMMAND) & BCE_NVM_COMMAND_DONE) break; } if (j >= NVRAM_TIMEOUT_COUNT) { BCE_PRINTF(sc, "%s(%d): Timeout error writing NVRAM at offset 0x%08X\n", __FILE__, __LINE__, offset); return EBUSY; } return 0; } #endif /* BCE_NVRAM_WRITE_SUPPORT */ /****************************************************************************/ /* Initialize NVRAM access. */ /* */ /* Identify the NVRAM device in use and prepare the NVRAM interface to */ /* access that device. */ /* */ /* Returns: */ /* 0 on success, positive value on failure. */ /****************************************************************************/ static int bce_init_nvram(struct bce_softc *sc) { u32 val; int j, entry_count, rc; struct flash_spec *flash; DBPRINT(sc,BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); /* Determine the selected interface. */ val = REG_RD(sc, BCE_NVM_CFG1); entry_count = sizeof(flash_table) / sizeof(struct flash_spec); rc = 0; /* * Flash reconfiguration is required to support additional * NVRAM devices not directly supported in hardware. * Check if the flash interface was reconfigured * by the bootcode. */ if (val & 0x40000000) { /* Flash interface reconfigured by bootcode. */ DBPRINT(sc,BCE_INFO_LOAD, "bce_init_nvram(): Flash WAS reconfigured.\n"); for (j = 0, flash = &flash_table[0]; j < entry_count; j++, flash++) { if ((val & FLASH_BACKUP_STRAP_MASK) == (flash->config1 & FLASH_BACKUP_STRAP_MASK)) { sc->bce_flash_info = flash; break; } } } else { /* Flash interface not yet reconfigured. */ u32 mask; DBPRINT(sc,BCE_INFO_LOAD, "bce_init_nvram(): Flash was NOT reconfigured.\n"); if (val & (1 << 23)) mask = FLASH_BACKUP_STRAP_MASK; else mask = FLASH_STRAP_MASK; /* Look for the matching NVRAM device configuration data. */ for (j = 0, flash = &flash_table[0]; j < entry_count; j++, flash++) { /* Check if the device matches any of the known devices. */ if ((val & mask) == (flash->strapping & mask)) { /* Found a device match. */ sc->bce_flash_info = flash; /* Request access to the flash interface. */ if ((rc = bce_acquire_nvram_lock(sc)) != 0) return rc; /* Reconfigure the flash interface. */ bce_enable_nvram_access(sc); REG_WR(sc, BCE_NVM_CFG1, flash->config1); REG_WR(sc, BCE_NVM_CFG2, flash->config2); REG_WR(sc, BCE_NVM_CFG3, flash->config3); REG_WR(sc, BCE_NVM_WRITE1, flash->write1); bce_disable_nvram_access(sc); bce_release_nvram_lock(sc); break; } } } /* Check if a matching device was found. */ if (j == entry_count) { sc->bce_flash_info = NULL; BCE_PRINTF(sc, "%s(%d): Unknown Flash NVRAM found!\n", __FILE__, __LINE__); rc = ENODEV; } /* Write the flash config data to the shared memory interface. */ val = REG_RD_IND(sc, sc->bce_shmem_base + BCE_SHARED_HW_CFG_CONFIG2); val &= BCE_SHARED_HW_CFG2_NVM_SIZE_MASK; if (val) sc->bce_flash_size = val; else sc->bce_flash_size = sc->bce_flash_info->total_size; DBPRINT(sc, BCE_INFO_LOAD, "bce_init_nvram() flash->total_size = 0x%08X\n", sc->bce_flash_info->total_size); DBPRINT(sc,BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return rc; } /****************************************************************************/ /* Read an arbitrary range of data from NVRAM. */ /* */ /* Prepares the NVRAM interface for access and reads the requested data */ /* into the supplied buffer. */ /* */ /* Returns: */ /* 0 on success and the data read, positive value on failure. */ /****************************************************************************/ static int bce_nvram_read(struct bce_softc *sc, u32 offset, u8 *ret_buf, int buf_size) { int rc = 0; u32 cmd_flags, offset32, len32, extra; if (buf_size == 0) return 0; /* Request access to the flash interface. */ if ((rc = bce_acquire_nvram_lock(sc)) != 0) return rc; /* Enable access to flash interface */ bce_enable_nvram_access(sc); len32 = buf_size; offset32 = offset; extra = 0; cmd_flags = 0; if (offset32 & 3) { u8 buf[4]; u32 pre_len; offset32 &= ~3; pre_len = 4 - (offset & 3); if (pre_len >= len32) { pre_len = len32; cmd_flags = BCE_NVM_COMMAND_FIRST | BCE_NVM_COMMAND_LAST; } else { cmd_flags = BCE_NVM_COMMAND_FIRST; } rc = bce_nvram_read_dword(sc, offset32, buf, cmd_flags); if (rc) return rc; memcpy(ret_buf, buf + (offset & 3), pre_len); offset32 += 4; ret_buf += pre_len; len32 -= pre_len; } if (len32 & 3) { extra = 4 - (len32 & 3); len32 = (len32 + 4) & ~3; } if (len32 == 4) { u8 buf[4]; if (cmd_flags) cmd_flags = BCE_NVM_COMMAND_LAST; else cmd_flags = BCE_NVM_COMMAND_FIRST | BCE_NVM_COMMAND_LAST; rc = bce_nvram_read_dword(sc, offset32, buf, cmd_flags); memcpy(ret_buf, buf, 4 - extra); } else if (len32 > 0) { u8 buf[4]; /* Read the first word. */ if (cmd_flags) cmd_flags = 0; else cmd_flags = BCE_NVM_COMMAND_FIRST; rc = bce_nvram_read_dword(sc, offset32, ret_buf, cmd_flags); /* Advance to the next dword. */ offset32 += 4; ret_buf += 4; len32 -= 4; while (len32 > 4 && rc == 0) { rc = bce_nvram_read_dword(sc, offset32, ret_buf, 0); /* Advance to the next dword. */ offset32 += 4; ret_buf += 4; len32 -= 4; } if (rc) return rc; cmd_flags = BCE_NVM_COMMAND_LAST; rc = bce_nvram_read_dword(sc, offset32, buf, cmd_flags); memcpy(ret_buf, buf, 4 - extra); } /* Disable access to flash interface and release the lock. */ bce_disable_nvram_access(sc); bce_release_nvram_lock(sc); return rc; } #ifdef BCE_NVRAM_WRITE_SUPPORT /****************************************************************************/ /* Write an arbitrary range of data from NVRAM. */ /* */ /* Prepares the NVRAM interface for write access and writes the requested */ /* data from the supplied buffer. The caller is responsible for */ /* calculating any appropriate CRCs. */ /* */ /* Returns: */ /* 0 on success, positive value on failure. */ /****************************************************************************/ static int bce_nvram_write(struct bce_softc *sc, u32 offset, u8 *data_buf, int buf_size) { u32 written, offset32, len32; u8 *buf, start[4], end[4]; int rc = 0; int align_start, align_end; buf = data_buf; offset32 = offset; len32 = buf_size; align_start = align_end = 0; if ((align_start = (offset32 & 3))) { offset32 &= ~3; len32 += align_start; if ((rc = bce_nvram_read(sc, offset32, start, 4))) return rc; } if (len32 & 3) { if ((len32 > 4) || !align_start) { align_end = 4 - (len32 & 3); len32 += align_end; if ((rc = bce_nvram_read(sc, offset32 + len32 - 4, end, 4))) { return rc; } } } if (align_start || align_end) { buf = malloc(len32, M_DEVBUF, M_NOWAIT); if (buf == 0) return ENOMEM; if (align_start) { memcpy(buf, start, 4); } if (align_end) { memcpy(buf + len32 - 4, end, 4); } memcpy(buf + align_start, data_buf, buf_size); } written = 0; while ((written < len32) && (rc == 0)) { u32 page_start, page_end, data_start, data_end; u32 addr, cmd_flags; int i; u8 flash_buffer[264]; /* Find the page_start addr */ page_start = offset32 + written; page_start -= (page_start % sc->bce_flash_info->page_size); /* Find the page_end addr */ page_end = page_start + sc->bce_flash_info->page_size; /* Find the data_start addr */ data_start = (written == 0) ? offset32 : page_start; /* Find the data_end addr */ data_end = (page_end > offset32 + len32) ? (offset32 + len32) : page_end; /* Request access to the flash interface. */ if ((rc = bce_acquire_nvram_lock(sc)) != 0) goto nvram_write_end; /* Enable access to flash interface */ bce_enable_nvram_access(sc); cmd_flags = BCE_NVM_COMMAND_FIRST; if (sc->bce_flash_info->buffered == 0) { int j; /* Read the whole page into the buffer * (non-buffer flash only) */ for (j = 0; j < sc->bce_flash_info->page_size; j += 4) { if (j == (sc->bce_flash_info->page_size - 4)) { cmd_flags |= BCE_NVM_COMMAND_LAST; } rc = bce_nvram_read_dword(sc, page_start + j, &flash_buffer[j], cmd_flags); if (rc) goto nvram_write_end; cmd_flags = 0; } } /* Enable writes to flash interface (unlock write-protect) */ if ((rc = bce_enable_nvram_write(sc)) != 0) goto nvram_write_end; /* Erase the page */ if ((rc = bce_nvram_erase_page(sc, page_start)) != 0) goto nvram_write_end; /* Re-enable the write again for the actual write */ bce_enable_nvram_write(sc); /* Loop to write back the buffer data from page_start to * data_start */ i = 0; if (sc->bce_flash_info->buffered == 0) { for (addr = page_start; addr < data_start; addr += 4, i += 4) { rc = bce_nvram_write_dword(sc, addr, &flash_buffer[i], cmd_flags); if (rc != 0) goto nvram_write_end; cmd_flags = 0; } } /* Loop to write the new data from data_start to data_end */ for (addr = data_start; addr < data_end; addr += 4, i++) { if ((addr == page_end - 4) || ((sc->bce_flash_info->buffered) && (addr == data_end - 4))) { cmd_flags |= BCE_NVM_COMMAND_LAST; } rc = bce_nvram_write_dword(sc, addr, buf, cmd_flags); if (rc != 0) goto nvram_write_end; cmd_flags = 0; buf += 4; } /* Loop to write back the buffer data from data_end * to page_end */ if (sc->bce_flash_info->buffered == 0) { for (addr = data_end; addr < page_end; addr += 4, i += 4) { if (addr == page_end-4) { cmd_flags = BCE_NVM_COMMAND_LAST; } rc = bce_nvram_write_dword(sc, addr, &flash_buffer[i], cmd_flags); if (rc != 0) goto nvram_write_end; cmd_flags = 0; } } /* Disable writes to flash interface (lock write-protect) */ bce_disable_nvram_write(sc); /* Disable access to flash interface */ bce_disable_nvram_access(sc); bce_release_nvram_lock(sc); /* Increment written */ written += data_end - data_start; } nvram_write_end: if (align_start || align_end) free(buf, M_DEVBUF); return rc; } #endif /* BCE_NVRAM_WRITE_SUPPORT */ /****************************************************************************/ /* Verifies that NVRAM is accessible and contains valid data. */ /* */ /* Reads the configuration data from NVRAM and verifies that the CRC is */ /* correct. */ /* */ /* Returns: */ /* 0 on success, positive value on failure. */ /****************************************************************************/ static int bce_nvram_test(struct bce_softc *sc) { u32 buf[BCE_NVRAM_SIZE / 4]; u8 *data = (u8 *) buf; int rc = 0; u32 magic, csum; /* * Check that the device NVRAM is valid by reading * the magic value at offset 0. */ if ((rc = bce_nvram_read(sc, 0, data, 4)) != 0) goto bce_nvram_test_done; magic = bce_be32toh(buf[0]); if (magic != BCE_NVRAM_MAGIC) { rc = ENODEV; BCE_PRINTF(sc, "%s(%d): Invalid NVRAM magic value! Expected: 0x%08X, " "Found: 0x%08X\n", __FILE__, __LINE__, BCE_NVRAM_MAGIC, magic); goto bce_nvram_test_done; } /* * Verify that the device NVRAM includes valid * configuration data. */ if ((rc = bce_nvram_read(sc, 0x100, data, BCE_NVRAM_SIZE)) != 0) goto bce_nvram_test_done; csum = ether_crc32_le(data, 0x100); if (csum != BCE_CRC32_RESIDUAL) { rc = ENODEV; BCE_PRINTF(sc, "%s(%d): Invalid Manufacturing Information NVRAM CRC! " "Expected: 0x%08X, Found: 0x%08X\n", __FILE__, __LINE__, BCE_CRC32_RESIDUAL, csum); goto bce_nvram_test_done; } csum = ether_crc32_le(data + 0x100, 0x100); if (csum != BCE_CRC32_RESIDUAL) { BCE_PRINTF(sc, "%s(%d): Invalid Feature Configuration Information " "NVRAM CRC! Expected: 0x%08X, Found: 08%08X\n", __FILE__, __LINE__, BCE_CRC32_RESIDUAL, csum); rc = ENODEV; } bce_nvram_test_done: return rc; } /****************************************************************************/ /* Free any DMA memory owned by the driver. */ /* */ /* Scans through each data structre that requires DMA memory and frees */ /* the memory if allocated. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_dma_free(struct bce_softc *sc) { int i; DBPRINT(sc,BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); /* Destroy the status block. */ if (sc->status_block != NULL) bus_dmamem_free( sc->status_tag, sc->status_block, sc->status_map); if (sc->status_map != NULL) { bus_dmamap_unload( sc->status_tag, sc->status_map); bus_dmamap_destroy(sc->status_tag, sc->status_map); } if (sc->status_tag != NULL) bus_dma_tag_destroy(sc->status_tag); /* Destroy the statistics block. */ if (sc->stats_block != NULL) bus_dmamem_free( sc->stats_tag, sc->stats_block, sc->stats_map); if (sc->stats_map != NULL) { bus_dmamap_unload( sc->stats_tag, sc->stats_map); bus_dmamap_destroy(sc->stats_tag, sc->stats_map); } if (sc->stats_tag != NULL) bus_dma_tag_destroy(sc->stats_tag); /* Free, unmap and destroy all TX buffer descriptor chain pages. */ for (i = 0; i < TX_PAGES; i++ ) { if (sc->tx_bd_chain[i] != NULL) bus_dmamem_free( sc->tx_bd_chain_tag, sc->tx_bd_chain[i], sc->tx_bd_chain_map[i]); if (sc->tx_bd_chain_map[i] != NULL) { bus_dmamap_unload( sc->tx_bd_chain_tag, sc->tx_bd_chain_map[i]); bus_dmamap_destroy( sc->tx_bd_chain_tag, sc->tx_bd_chain_map[i]); } } /* Destroy the TX buffer descriptor tag. */ if (sc->tx_bd_chain_tag != NULL) bus_dma_tag_destroy(sc->tx_bd_chain_tag); /* Free, unmap and destroy all RX buffer descriptor chain pages. */ for (i = 0; i < RX_PAGES; i++ ) { if (sc->rx_bd_chain[i] != NULL) bus_dmamem_free( sc->rx_bd_chain_tag, sc->rx_bd_chain[i], sc->rx_bd_chain_map[i]); if (sc->rx_bd_chain_map[i] != NULL) { bus_dmamap_unload( sc->rx_bd_chain_tag, sc->rx_bd_chain_map[i]); bus_dmamap_destroy( sc->rx_bd_chain_tag, sc->rx_bd_chain_map[i]); } } /* Destroy the RX buffer descriptor tag. */ if (sc->rx_bd_chain_tag != NULL) bus_dma_tag_destroy(sc->rx_bd_chain_tag); /* Unload and destroy the TX mbuf maps. */ for (i = 0; i < TOTAL_TX_BD; i++) { if (sc->tx_mbuf_map[i] != NULL) { bus_dmamap_unload(sc->tx_mbuf_tag, sc->tx_mbuf_map[i]); bus_dmamap_destroy(sc->tx_mbuf_tag, sc->tx_mbuf_map[i]); } } /* Destroy the TX mbuf tag. */ if (sc->tx_mbuf_tag != NULL) bus_dma_tag_destroy(sc->tx_mbuf_tag); /* Unload and destroy the RX mbuf maps. */ for (i = 0; i < TOTAL_RX_BD; i++) { if (sc->rx_mbuf_map[i] != NULL) { bus_dmamap_unload(sc->rx_mbuf_tag, sc->rx_mbuf_map[i]); bus_dmamap_destroy(sc->rx_mbuf_tag, sc->rx_mbuf_map[i]); } } /* Destroy the RX mbuf tag. */ if (sc->rx_mbuf_tag != NULL) bus_dma_tag_destroy(sc->rx_mbuf_tag); /* Destroy the parent tag */ if (sc->parent_tag != NULL) bus_dma_tag_destroy(sc->parent_tag); DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); } /****************************************************************************/ /* Get DMA memory from the OS. */ /* */ /* Validates that the OS has provided DMA buffers in response to a */ /* bus_dmamap_load() call and saves the physical address of those buffers. */ /* When the callback is used the OS will return 0 for the mapping function */ /* (bus_dmamap_load()) so we use the value of map_arg->maxsegs to pass any */ /* failures back to the caller. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) { bus_addr_t *busaddr = arg; /* Simulate a mapping failure. */ DBRUNIF(DB_RANDOMTRUE(bce_debug_dma_map_addr_failure), printf("bce: %s(%d): Simulating DMA mapping error.\n", __FILE__, __LINE__); error = ENOMEM); /* Check for an error and signal the caller that an error occurred. */ if (error) { printf("bce %s(%d): DMA mapping error! error = %d, " "nseg = %d\n", __FILE__, __LINE__, error, nseg); *busaddr = 0; return; } *busaddr = segs->ds_addr; return; } /****************************************************************************/ /* Allocate any DMA memory needed by the driver. */ /* */ /* Allocates DMA memory needed for the various global structures needed by */ /* hardware. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_dma_alloc(device_t dev) { struct bce_softc *sc; int i, error, rc = 0; bus_addr_t busaddr; sc = device_get_softc(dev); DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); /* * Allocate the parent bus DMA tag appropriate for PCI. */ if (bus_dma_tag_create(NULL, /* parent */ 1, /* alignment */ BCE_DMA_BOUNDARY, /* boundary */ sc->max_bus_addr, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, /* filterfunc */ NULL, /* filterarg */ MAXBSIZE, /* maxsize */ BUS_SPACE_UNRESTRICTED, /* nsegments */ BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 0, /* flags */ NULL, /* locfunc */ NULL, /* lockarg */ &sc->parent_tag)) { BCE_PRINTF(sc, "%s(%d): Could not allocate parent DMA tag!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } /* * Create a DMA tag for the status block, allocate and clear the * memory, map the memory into DMA space, and fetch the physical * address of the block. */ if (bus_dma_tag_create( sc->parent_tag, /* parent */ BCE_DMA_ALIGN, /* alignment */ BCE_DMA_BOUNDARY, /* boundary */ sc->max_bus_addr, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, /* filterfunc */ NULL, /* filterarg */ BCE_STATUS_BLK_SZ, /* maxsize */ 1, /* nsegments */ BCE_STATUS_BLK_SZ, /* maxsegsize */ 0, /* flags */ NULL, /* lockfunc */ NULL, /* lockarg */ &sc->status_tag)) { BCE_PRINTF(sc, "%s(%d): Could not allocate status block DMA tag!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } if(bus_dmamem_alloc( sc->status_tag, /* dmat */ (void **)&sc->status_block, /* vaddr */ BUS_DMA_NOWAIT, /* flags */ &sc->status_map)) { BCE_PRINTF(sc, "%s(%d): Could not allocate status block DMA memory!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } bzero((char *)sc->status_block, BCE_STATUS_BLK_SZ); error = bus_dmamap_load( sc->status_tag, /* dmat */ sc->status_map, /* map */ sc->status_block, /* buf */ BCE_STATUS_BLK_SZ, /* buflen */ bce_dma_map_addr, /* callback */ &busaddr, /* callbackarg */ BUS_DMA_NOWAIT); /* flags */ if (error) { BCE_PRINTF(sc, "%s(%d): Could not map status block DMA memory!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } sc->status_block_paddr = busaddr; /* DRC - Fix for 64 bit addresses. */ DBPRINT(sc, BCE_INFO, "status_block_paddr = 0x%08X\n", (u32) sc->status_block_paddr); /* * Create a DMA tag for the statistics block, allocate and clear the * memory, map the memory into DMA space, and fetch the physical * address of the block. */ if (bus_dma_tag_create( sc->parent_tag, /* parent */ BCE_DMA_ALIGN, /* alignment */ BCE_DMA_BOUNDARY, /* boundary */ sc->max_bus_addr, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, /* filterfunc */ NULL, /* filterarg */ BCE_STATS_BLK_SZ, /* maxsize */ 1, /* nsegments */ BCE_STATS_BLK_SZ, /* maxsegsize */ 0, /* flags */ NULL, /* lockfunc */ NULL, /* lockarg */ &sc->stats_tag)) { BCE_PRINTF(sc, "%s(%d): Could not allocate statistics block DMA tag!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } if (bus_dmamem_alloc( sc->stats_tag, /* dmat */ (void **)&sc->stats_block, /* vaddr */ BUS_DMA_NOWAIT, /* flags */ &sc->stats_map)) { BCE_PRINTF(sc, "%s(%d): Could not allocate statistics block DMA memory!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } bzero((char *)sc->stats_block, BCE_STATS_BLK_SZ); error = bus_dmamap_load( sc->stats_tag, /* dmat */ sc->stats_map, /* map */ sc->stats_block, /* buf */ BCE_STATS_BLK_SZ, /* buflen */ bce_dma_map_addr, /* callback */ &busaddr, /* callbackarg */ BUS_DMA_NOWAIT); /* flags */ if(error) { BCE_PRINTF(sc, "%s(%d): Could not map statistics block DMA memory!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } sc->stats_block_paddr = busaddr; /* DRC - Fix for 64 bit address. */ DBPRINT(sc,BCE_INFO, "stats_block_paddr = 0x%08X\n", (u32) sc->stats_block_paddr); /* * Create a DMA tag for the TX buffer descriptor chain, * allocate and clear the memory, and fetch the * physical address of the block. */ if(bus_dma_tag_create( sc->parent_tag, /* parent */ BCM_PAGE_SIZE, /* alignment */ BCE_DMA_BOUNDARY, /* boundary */ sc->max_bus_addr, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, /* filterfunc */ NULL, /* filterarg */ BCE_TX_CHAIN_PAGE_SZ, /* maxsize */ 1, /* nsegments */ BCE_TX_CHAIN_PAGE_SZ, /* maxsegsize */ 0, /* flags */ NULL, /* lockfunc */ NULL, /* lockarg */ &sc->tx_bd_chain_tag)) { BCE_PRINTF(sc, "%s(%d): Could not allocate TX descriptor chain DMA tag!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } for (i = 0; i < TX_PAGES; i++) { if(bus_dmamem_alloc( sc->tx_bd_chain_tag, /* tag */ (void **)&sc->tx_bd_chain[i], /* vaddr */ BUS_DMA_NOWAIT, /* flags */ &sc->tx_bd_chain_map[i])) { BCE_PRINTF(sc, "%s(%d): Could not allocate TX descriptor " "chain DMA memory!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } error = bus_dmamap_load( sc->tx_bd_chain_tag, /* dmat */ sc->tx_bd_chain_map[i], /* map */ sc->tx_bd_chain[i], /* buf */ BCE_TX_CHAIN_PAGE_SZ, /* buflen */ bce_dma_map_addr, /* callback */ &busaddr, /* callbackarg */ BUS_DMA_NOWAIT); /* flags */ if (error) { BCE_PRINTF(sc, "%s(%d): Could not map TX descriptor chain DMA memory!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } sc->tx_bd_chain_paddr[i] = busaddr; /* DRC - Fix for 64 bit systems. */ DBPRINT(sc, BCE_INFO, "tx_bd_chain_paddr[%d] = 0x%08X\n", i, (u32) sc->tx_bd_chain_paddr[i]); } /* Create a DMA tag for TX mbufs. */ if (bus_dma_tag_create( sc->parent_tag, /* parent */ 1, /* alignment */ BCE_DMA_BOUNDARY, /* boundary */ sc->max_bus_addr, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, /* filterfunc */ NULL, /* filterarg */ MCLBYTES * BCE_MAX_SEGMENTS, /* maxsize */ BCE_MAX_SEGMENTS, /* nsegments */ MCLBYTES, /* maxsegsize */ 0, /* flags */ NULL, /* lockfunc */ NULL, /* lockarg */ &sc->tx_mbuf_tag)) { BCE_PRINTF(sc, "%s(%d): Could not allocate TX mbuf DMA tag!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } /* Create DMA maps for the TX mbufs clusters. */ for (i = 0; i < TOTAL_TX_BD; i++) { if (bus_dmamap_create(sc->tx_mbuf_tag, BUS_DMA_NOWAIT, &sc->tx_mbuf_map[i])) { BCE_PRINTF(sc, "%s(%d): Unable to create TX mbuf DMA map!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } } /* * Create a DMA tag for the RX buffer descriptor chain, * allocate and clear the memory, and fetch the physical * address of the blocks. */ if (bus_dma_tag_create( sc->parent_tag, /* parent */ BCM_PAGE_SIZE, /* alignment */ BCE_DMA_BOUNDARY, /* boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ sc->max_bus_addr, /* lowaddr */ NULL, /* filter */ NULL, /* filterarg */ BCE_RX_CHAIN_PAGE_SZ, /* maxsize */ 1, /* nsegments */ BCE_RX_CHAIN_PAGE_SZ, /* maxsegsize */ 0, /* flags */ NULL, /* lockfunc */ NULL, /* lockarg */ &sc->rx_bd_chain_tag)) { BCE_PRINTF(sc, "%s(%d): Could not allocate RX descriptor chain DMA tag!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } for (i = 0; i < RX_PAGES; i++) { if (bus_dmamem_alloc( sc->rx_bd_chain_tag, /* tag */ (void **)&sc->rx_bd_chain[i], /* vaddr */ BUS_DMA_NOWAIT, /* flags */ &sc->rx_bd_chain_map[i])) { BCE_PRINTF(sc, "%s(%d): Could not allocate RX descriptor chain " "DMA memory!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } bzero((char *)sc->rx_bd_chain[i], BCE_RX_CHAIN_PAGE_SZ); error = bus_dmamap_load( sc->rx_bd_chain_tag, /* dmat */ sc->rx_bd_chain_map[i], /* map */ sc->rx_bd_chain[i], /* buf */ BCE_RX_CHAIN_PAGE_SZ, /* buflen */ bce_dma_map_addr, /* callback */ &busaddr, /* callbackarg */ BUS_DMA_NOWAIT); /* flags */ if (error) { BCE_PRINTF(sc, "%s(%d): Could not map RX descriptor chain DMA memory!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } sc->rx_bd_chain_paddr[i] = busaddr; /* DRC - Fix for 64 bit systems. */ DBPRINT(sc, BCE_INFO, "rx_bd_chain_paddr[%d] = 0x%08X\n", i, (u32) sc->rx_bd_chain_paddr[i]); } /* * Create a DMA tag for RX mbufs. */ if (bus_dma_tag_create( sc->parent_tag, /* parent */ 1, /* alignment */ BCE_DMA_BOUNDARY, /* boundary */ sc->max_bus_addr, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, /* filterfunc */ NULL, /* filterarg */ MJUM9BYTES, /* maxsize */ BCE_MAX_SEGMENTS, /* nsegments */ MJUM9BYTES, /* maxsegsize */ 0, /* flags */ NULL, /* lockfunc */ NULL, /* lockarg */ &sc->rx_mbuf_tag)) { BCE_PRINTF(sc, "%s(%d): Could not allocate RX mbuf DMA tag!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } /* Create DMA maps for the RX mbuf clusters. */ for (i = 0; i < TOTAL_RX_BD; i++) { if (bus_dmamap_create(sc->rx_mbuf_tag, BUS_DMA_NOWAIT, &sc->rx_mbuf_map[i])) { BCE_PRINTF(sc, "%s(%d): Unable to create RX mbuf DMA map!\n", __FILE__, __LINE__); rc = ENOMEM; goto bce_dma_alloc_exit; } } bce_dma_alloc_exit: DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return(rc); } /****************************************************************************/ /* Release all resources used by the driver. */ /* */ /* Releases all resources acquired by the driver including interrupts, */ /* interrupt handler, interfaces, mutexes, and DMA memory. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_release_resources(struct bce_softc *sc) { device_t dev; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); dev = sc->bce_dev; bce_dma_free(sc); if (sc->bce_intrhand != NULL) bus_teardown_intr(dev, sc->bce_irq, sc->bce_intrhand); if (sc->bce_irq != NULL) bus_release_resource(dev, SYS_RES_IRQ, sc->bce_flags & BCE_USING_MSI_FLAG ? 1 : 0, sc->bce_irq); if (sc->bce_flags & BCE_USING_MSI_FLAG) pci_release_msi(dev); if (sc->bce_res != NULL) bus_release_resource(dev, SYS_RES_MEMORY, PCIR_BAR(0), sc->bce_res); if (sc->bce_ifp != NULL) if_free(sc->bce_ifp); if (mtx_initialized(&sc->bce_mtx)) BCE_LOCK_DESTROY(sc); DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); } /****************************************************************************/ /* Firmware synchronization. */ /* */ /* Before performing certain events such as a chip reset, synchronize with */ /* the firmware first. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_fw_sync(struct bce_softc *sc, u32 msg_data) { int i, rc = 0; u32 val; /* Don't waste any time if we've timed out before. */ if (sc->bce_fw_timed_out) { rc = EBUSY; goto bce_fw_sync_exit; } /* Increment the message sequence number. */ sc->bce_fw_wr_seq++; msg_data |= sc->bce_fw_wr_seq; DBPRINT(sc, BCE_VERBOSE, "bce_fw_sync(): msg_data = 0x%08X\n", msg_data); /* Send the message to the bootcode driver mailbox. */ REG_WR_IND(sc, sc->bce_shmem_base + BCE_DRV_MB, msg_data); /* Wait for the bootcode to acknowledge the message. */ for (i = 0; i < FW_ACK_TIME_OUT_MS; i++) { /* Check for a response in the bootcode firmware mailbox. */ val = REG_RD_IND(sc, sc->bce_shmem_base + BCE_FW_MB); if ((val & BCE_FW_MSG_ACK) == (msg_data & BCE_DRV_MSG_SEQ)) break; DELAY(1000); } /* If we've timed out, tell the bootcode that we've stopped waiting. */ if (((val & BCE_FW_MSG_ACK) != (msg_data & BCE_DRV_MSG_SEQ)) && ((msg_data & BCE_DRV_MSG_DATA) != BCE_DRV_MSG_DATA_WAIT0)) { BCE_PRINTF(sc, "%s(%d): Firmware synchronization timeout! " "msg_data = 0x%08X\n", __FILE__, __LINE__, msg_data); msg_data &= ~BCE_DRV_MSG_CODE; msg_data |= BCE_DRV_MSG_CODE_FW_TIMEOUT; REG_WR_IND(sc, sc->bce_shmem_base + BCE_DRV_MB, msg_data); sc->bce_fw_timed_out = 1; rc = EBUSY; } bce_fw_sync_exit: return (rc); } /****************************************************************************/ /* Load Receive Virtual 2 Physical (RV2P) processor firmware. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_load_rv2p_fw(struct bce_softc *sc, u32 *rv2p_code, u32 rv2p_code_len, u32 rv2p_proc) { int i; u32 val; for (i = 0; i < rv2p_code_len; i += 8) { REG_WR(sc, BCE_RV2P_INSTR_HIGH, *rv2p_code); rv2p_code++; REG_WR(sc, BCE_RV2P_INSTR_LOW, *rv2p_code); rv2p_code++; if (rv2p_proc == RV2P_PROC1) { val = (i / 8) | BCE_RV2P_PROC1_ADDR_CMD_RDWR; REG_WR(sc, BCE_RV2P_PROC1_ADDR_CMD, val); } else { val = (i / 8) | BCE_RV2P_PROC2_ADDR_CMD_RDWR; REG_WR(sc, BCE_RV2P_PROC2_ADDR_CMD, val); } } /* Reset the processor, un-stall is done later. */ if (rv2p_proc == RV2P_PROC1) { REG_WR(sc, BCE_RV2P_COMMAND, BCE_RV2P_COMMAND_PROC1_RESET); } else { REG_WR(sc, BCE_RV2P_COMMAND, BCE_RV2P_COMMAND_PROC2_RESET); } } /****************************************************************************/ /* Load RISC processor firmware. */ /* */ /* Loads firmware from the file if_bcefw.h into the scratchpad memory */ /* associated with a particular processor. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_load_cpu_fw(struct bce_softc *sc, struct cpu_reg *cpu_reg, struct fw_info *fw) { u32 offset; u32 val; /* Halt the CPU. */ val = REG_RD_IND(sc, cpu_reg->mode); val |= cpu_reg->mode_value_halt; REG_WR_IND(sc, cpu_reg->mode, val); REG_WR_IND(sc, cpu_reg->state, cpu_reg->state_value_clear); /* Load the Text area. */ offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base); if (fw->text) { int j; for (j = 0; j < (fw->text_len / 4); j++, offset += 4) { REG_WR_IND(sc, offset, fw->text[j]); } } /* Load the Data area. */ offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base); if (fw->data) { int j; for (j = 0; j < (fw->data_len / 4); j++, offset += 4) { REG_WR_IND(sc, offset, fw->data[j]); } } /* Load the SBSS area. */ offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base); if (fw->sbss) { int j; for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4) { REG_WR_IND(sc, offset, fw->sbss[j]); } } /* Load the BSS area. */ offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base); if (fw->bss) { int j; for (j = 0; j < (fw->bss_len/4); j++, offset += 4) { REG_WR_IND(sc, offset, fw->bss[j]); } } /* Load the Read-Only area. */ offset = cpu_reg->spad_base + (fw->rodata_addr - cpu_reg->mips_view_base); if (fw->rodata) { int j; for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4) { REG_WR_IND(sc, offset, fw->rodata[j]); } } /* Clear the pre-fetch instruction. */ REG_WR_IND(sc, cpu_reg->inst, 0); REG_WR_IND(sc, cpu_reg->pc, fw->start_addr); /* Start the CPU. */ val = REG_RD_IND(sc, cpu_reg->mode); val &= ~cpu_reg->mode_value_halt; REG_WR_IND(sc, cpu_reg->state, cpu_reg->state_value_clear); REG_WR_IND(sc, cpu_reg->mode, val); } /****************************************************************************/ /* Initialize the RV2P, RX, TX, TPAT, and COM CPUs. */ /* */ /* Loads the firmware for each CPU and starts the CPU. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_init_cpus(struct bce_softc *sc) { struct cpu_reg cpu_reg; struct fw_info fw; /* Initialize the RV2P processor. */ bce_load_rv2p_fw(sc, bce_rv2p_proc1, sizeof(bce_rv2p_proc1), RV2P_PROC1); bce_load_rv2p_fw(sc, bce_rv2p_proc2, sizeof(bce_rv2p_proc2), RV2P_PROC2); /* Initialize the RX Processor. */ cpu_reg.mode = BCE_RXP_CPU_MODE; cpu_reg.mode_value_halt = BCE_RXP_CPU_MODE_SOFT_HALT; cpu_reg.mode_value_sstep = BCE_RXP_CPU_MODE_STEP_ENA; cpu_reg.state = BCE_RXP_CPU_STATE; cpu_reg.state_value_clear = 0xffffff; cpu_reg.gpr0 = BCE_RXP_CPU_REG_FILE; cpu_reg.evmask = BCE_RXP_CPU_EVENT_MASK; cpu_reg.pc = BCE_RXP_CPU_PROGRAM_COUNTER; cpu_reg.inst = BCE_RXP_CPU_INSTRUCTION; cpu_reg.bp = BCE_RXP_CPU_HW_BREAKPOINT; cpu_reg.spad_base = BCE_RXP_SCRATCH; cpu_reg.mips_view_base = 0x8000000; fw.ver_major = bce_RXP_b06FwReleaseMajor; fw.ver_minor = bce_RXP_b06FwReleaseMinor; fw.ver_fix = bce_RXP_b06FwReleaseFix; fw.start_addr = bce_RXP_b06FwStartAddr; fw.text_addr = bce_RXP_b06FwTextAddr; fw.text_len = bce_RXP_b06FwTextLen; fw.text_index = 0; fw.text = bce_RXP_b06FwText; fw.data_addr = bce_RXP_b06FwDataAddr; fw.data_len = bce_RXP_b06FwDataLen; fw.data_index = 0; fw.data = bce_RXP_b06FwData; fw.sbss_addr = bce_RXP_b06FwSbssAddr; fw.sbss_len = bce_RXP_b06FwSbssLen; fw.sbss_index = 0; fw.sbss = bce_RXP_b06FwSbss; fw.bss_addr = bce_RXP_b06FwBssAddr; fw.bss_len = bce_RXP_b06FwBssLen; fw.bss_index = 0; fw.bss = bce_RXP_b06FwBss; fw.rodata_addr = bce_RXP_b06FwRodataAddr; fw.rodata_len = bce_RXP_b06FwRodataLen; fw.rodata_index = 0; fw.rodata = bce_RXP_b06FwRodata; DBPRINT(sc, BCE_INFO_RESET, "Loading RX firmware.\n"); bce_load_cpu_fw(sc, &cpu_reg, &fw); /* Initialize the TX Processor. */ cpu_reg.mode = BCE_TXP_CPU_MODE; cpu_reg.mode_value_halt = BCE_TXP_CPU_MODE_SOFT_HALT; cpu_reg.mode_value_sstep = BCE_TXP_CPU_MODE_STEP_ENA; cpu_reg.state = BCE_TXP_CPU_STATE; cpu_reg.state_value_clear = 0xffffff; cpu_reg.gpr0 = BCE_TXP_CPU_REG_FILE; cpu_reg.evmask = BCE_TXP_CPU_EVENT_MASK; cpu_reg.pc = BCE_TXP_CPU_PROGRAM_COUNTER; cpu_reg.inst = BCE_TXP_CPU_INSTRUCTION; cpu_reg.bp = BCE_TXP_CPU_HW_BREAKPOINT; cpu_reg.spad_base = BCE_TXP_SCRATCH; cpu_reg.mips_view_base = 0x8000000; fw.ver_major = bce_TXP_b06FwReleaseMajor; fw.ver_minor = bce_TXP_b06FwReleaseMinor; fw.ver_fix = bce_TXP_b06FwReleaseFix; fw.start_addr = bce_TXP_b06FwStartAddr; fw.text_addr = bce_TXP_b06FwTextAddr; fw.text_len = bce_TXP_b06FwTextLen; fw.text_index = 0; fw.text = bce_TXP_b06FwText; fw.data_addr = bce_TXP_b06FwDataAddr; fw.data_len = bce_TXP_b06FwDataLen; fw.data_index = 0; fw.data = bce_TXP_b06FwData; fw.sbss_addr = bce_TXP_b06FwSbssAddr; fw.sbss_len = bce_TXP_b06FwSbssLen; fw.sbss_index = 0; fw.sbss = bce_TXP_b06FwSbss; fw.bss_addr = bce_TXP_b06FwBssAddr; fw.bss_len = bce_TXP_b06FwBssLen; fw.bss_index = 0; fw.bss = bce_TXP_b06FwBss; fw.rodata_addr = bce_TXP_b06FwRodataAddr; fw.rodata_len = bce_TXP_b06FwRodataLen; fw.rodata_index = 0; fw.rodata = bce_TXP_b06FwRodata; DBPRINT(sc, BCE_INFO_RESET, "Loading TX firmware.\n"); bce_load_cpu_fw(sc, &cpu_reg, &fw); /* Initialize the TX Patch-up Processor. */ cpu_reg.mode = BCE_TPAT_CPU_MODE; cpu_reg.mode_value_halt = BCE_TPAT_CPU_MODE_SOFT_HALT; cpu_reg.mode_value_sstep = BCE_TPAT_CPU_MODE_STEP_ENA; cpu_reg.state = BCE_TPAT_CPU_STATE; cpu_reg.state_value_clear = 0xffffff; cpu_reg.gpr0 = BCE_TPAT_CPU_REG_FILE; cpu_reg.evmask = BCE_TPAT_CPU_EVENT_MASK; cpu_reg.pc = BCE_TPAT_CPU_PROGRAM_COUNTER; cpu_reg.inst = BCE_TPAT_CPU_INSTRUCTION; cpu_reg.bp = BCE_TPAT_CPU_HW_BREAKPOINT; cpu_reg.spad_base = BCE_TPAT_SCRATCH; cpu_reg.mips_view_base = 0x8000000; fw.ver_major = bce_TPAT_b06FwReleaseMajor; fw.ver_minor = bce_TPAT_b06FwReleaseMinor; fw.ver_fix = bce_TPAT_b06FwReleaseFix; fw.start_addr = bce_TPAT_b06FwStartAddr; fw.text_addr = bce_TPAT_b06FwTextAddr; fw.text_len = bce_TPAT_b06FwTextLen; fw.text_index = 0; fw.text = bce_TPAT_b06FwText; fw.data_addr = bce_TPAT_b06FwDataAddr; fw.data_len = bce_TPAT_b06FwDataLen; fw.data_index = 0; fw.data = bce_TPAT_b06FwData; fw.sbss_addr = bce_TPAT_b06FwSbssAddr; fw.sbss_len = bce_TPAT_b06FwSbssLen; fw.sbss_index = 0; fw.sbss = bce_TPAT_b06FwSbss; fw.bss_addr = bce_TPAT_b06FwBssAddr; fw.bss_len = bce_TPAT_b06FwBssLen; fw.bss_index = 0; fw.bss = bce_TPAT_b06FwBss; fw.rodata_addr = bce_TPAT_b06FwRodataAddr; fw.rodata_len = bce_TPAT_b06FwRodataLen; fw.rodata_index = 0; fw.rodata = bce_TPAT_b06FwRodata; DBPRINT(sc, BCE_INFO_RESET, "Loading TPAT firmware.\n"); bce_load_cpu_fw(sc, &cpu_reg, &fw); /* Initialize the Completion Processor. */ cpu_reg.mode = BCE_COM_CPU_MODE; cpu_reg.mode_value_halt = BCE_COM_CPU_MODE_SOFT_HALT; cpu_reg.mode_value_sstep = BCE_COM_CPU_MODE_STEP_ENA; cpu_reg.state = BCE_COM_CPU_STATE; cpu_reg.state_value_clear = 0xffffff; cpu_reg.gpr0 = BCE_COM_CPU_REG_FILE; cpu_reg.evmask = BCE_COM_CPU_EVENT_MASK; cpu_reg.pc = BCE_COM_CPU_PROGRAM_COUNTER; cpu_reg.inst = BCE_COM_CPU_INSTRUCTION; cpu_reg.bp = BCE_COM_CPU_HW_BREAKPOINT; cpu_reg.spad_base = BCE_COM_SCRATCH; cpu_reg.mips_view_base = 0x8000000; fw.ver_major = bce_COM_b06FwReleaseMajor; fw.ver_minor = bce_COM_b06FwReleaseMinor; fw.ver_fix = bce_COM_b06FwReleaseFix; fw.start_addr = bce_COM_b06FwStartAddr; fw.text_addr = bce_COM_b06FwTextAddr; fw.text_len = bce_COM_b06FwTextLen; fw.text_index = 0; fw.text = bce_COM_b06FwText; fw.data_addr = bce_COM_b06FwDataAddr; fw.data_len = bce_COM_b06FwDataLen; fw.data_index = 0; fw.data = bce_COM_b06FwData; fw.sbss_addr = bce_COM_b06FwSbssAddr; fw.sbss_len = bce_COM_b06FwSbssLen; fw.sbss_index = 0; fw.sbss = bce_COM_b06FwSbss; fw.bss_addr = bce_COM_b06FwBssAddr; fw.bss_len = bce_COM_b06FwBssLen; fw.bss_index = 0; fw.bss = bce_COM_b06FwBss; fw.rodata_addr = bce_COM_b06FwRodataAddr; fw.rodata_len = bce_COM_b06FwRodataLen; fw.rodata_index = 0; fw.rodata = bce_COM_b06FwRodata; DBPRINT(sc, BCE_INFO_RESET, "Loading COM firmware.\n"); bce_load_cpu_fw(sc, &cpu_reg, &fw); } /****************************************************************************/ /* Initialize context memory. */ /* */ /* Clears the memory associated with each Context ID (CID). */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_init_context(struct bce_softc *sc) { u32 vcid; vcid = 96; while (vcid) { u32 vcid_addr, pcid_addr, offset; vcid--; vcid_addr = GET_CID_ADDR(vcid); pcid_addr = vcid_addr; REG_WR(sc, BCE_CTX_VIRT_ADDR, 0x00); REG_WR(sc, BCE_CTX_PAGE_TBL, pcid_addr); /* Zero out the context. */ for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) { CTX_WR(sc, 0x00, offset, 0); } REG_WR(sc, BCE_CTX_VIRT_ADDR, vcid_addr); REG_WR(sc, BCE_CTX_PAGE_TBL, pcid_addr); } } /****************************************************************************/ /* Fetch the permanent MAC address of the controller. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_get_mac_addr(struct bce_softc *sc) { u32 mac_lo = 0, mac_hi = 0; /* * The NetXtreme II bootcode populates various NIC * power-on and runtime configuration items in a * shared memory area. The factory configured MAC * address is available from both NVRAM and the * shared memory area so we'll read the value from * shared memory for speed. */ mac_hi = REG_RD_IND(sc, sc->bce_shmem_base + BCE_PORT_HW_CFG_MAC_UPPER); mac_lo = REG_RD_IND(sc, sc->bce_shmem_base + BCE_PORT_HW_CFG_MAC_LOWER); if ((mac_lo == 0) && (mac_hi == 0)) { BCE_PRINTF(sc, "%s(%d): Invalid Ethernet address!\n", __FILE__, __LINE__); } else { sc->eaddr[0] = (u_char)(mac_hi >> 8); sc->eaddr[1] = (u_char)(mac_hi >> 0); sc->eaddr[2] = (u_char)(mac_lo >> 24); sc->eaddr[3] = (u_char)(mac_lo >> 16); sc->eaddr[4] = (u_char)(mac_lo >> 8); sc->eaddr[5] = (u_char)(mac_lo >> 0); } DBPRINT(sc, BCE_INFO, "Permanent Ethernet address = %6D\n", sc->eaddr, ":"); } /****************************************************************************/ /* Program the MAC address. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_set_mac_addr(struct bce_softc *sc) { u32 val; u8 *mac_addr = sc->eaddr; DBPRINT(sc, BCE_INFO, "Setting Ethernet address = %6D\n", sc->eaddr, ":"); val = (mac_addr[0] << 8) | mac_addr[1]; REG_WR(sc, BCE_EMAC_MAC_MATCH0, val); val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | (mac_addr[4] << 8) | mac_addr[5]; REG_WR(sc, BCE_EMAC_MAC_MATCH1, val); } /****************************************************************************/ /* Stop the controller. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_stop(struct bce_softc *sc) { struct ifnet *ifp; struct ifmedia_entry *ifm; struct mii_data *mii = NULL; int mtmp, itmp; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); BCE_LOCK_ASSERT(sc); ifp = sc->bce_ifp; mii = device_get_softc(sc->bce_miibus); callout_stop(&sc->bce_stat_ch); /* Disable the transmit/receive blocks. */ REG_WR(sc, BCE_MISC_ENABLE_CLR_BITS, 0x5ffffff); REG_RD(sc, BCE_MISC_ENABLE_CLR_BITS); DELAY(20); bce_disable_intr(sc); /* Tell firmware that the driver is going away. */ bce_reset(sc, BCE_DRV_MSG_CODE_SUSPEND_NO_WOL); /* Free the RX lists. */ bce_free_rx_chain(sc); /* Free TX buffers. */ bce_free_tx_chain(sc); /* * Isolate/power down the PHY, but leave the media selection * unchanged so that things will be put back to normal when * we bring the interface back up. */ itmp = ifp->if_flags; ifp->if_flags |= IFF_UP; /* * If we are called from bce_detach(), mii is already NULL. */ if (mii != NULL) { ifm = mii->mii_media.ifm_cur; mtmp = ifm->ifm_media; ifm->ifm_media = IFM_ETHER | IFM_NONE; mii_mediachg(mii); ifm->ifm_media = mtmp; } ifp->if_flags = itmp; ifp->if_timer = 0; sc->bce_link = 0; ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); bce_mgmt_init_locked(sc); } static int bce_reset(struct bce_softc *sc, u32 reset_code) { u32 val; int i, rc = 0; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); /* Wait for pending PCI transactions to complete. */ REG_WR(sc, BCE_MISC_ENABLE_CLR_BITS, BCE_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE | BCE_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE | BCE_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE | BCE_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE); val = REG_RD(sc, BCE_MISC_ENABLE_CLR_BITS); DELAY(5); /* Assume bootcode is running. */ sc->bce_fw_timed_out = 0; /* Give the firmware a chance to prepare for the reset. */ rc = bce_fw_sync(sc, BCE_DRV_MSG_DATA_WAIT0 | reset_code); if (rc) goto bce_reset_exit; /* Set a firmware reminder that this is a soft reset. */ REG_WR_IND(sc, sc->bce_shmem_base + BCE_DRV_RESET_SIGNATURE, BCE_DRV_RESET_SIGNATURE_MAGIC); /* Dummy read to force the chip to complete all current transactions. */ val = REG_RD(sc, BCE_MISC_ID); /* Chip reset. */ val = BCE_PCICFG_MISC_CONFIG_CORE_RST_REQ | BCE_PCICFG_MISC_CONFIG_REG_WINDOW_ENA | BCE_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP; REG_WR(sc, BCE_PCICFG_MISC_CONFIG, val); /* Allow up to 30us for reset to complete. */ for (i = 0; i < 10; i++) { val = REG_RD(sc, BCE_PCICFG_MISC_CONFIG); if ((val & (BCE_PCICFG_MISC_CONFIG_CORE_RST_REQ | BCE_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) { break; } DELAY(10); } /* Check that reset completed successfully. */ if (val & (BCE_PCICFG_MISC_CONFIG_CORE_RST_REQ | BCE_PCICFG_MISC_CONFIG_CORE_RST_BSY)) { BCE_PRINTF(sc, "%s(%d): Reset failed!\n", __FILE__, __LINE__); rc = EBUSY; goto bce_reset_exit; } /* Make sure byte swapping is properly configured. */ val = REG_RD(sc, BCE_PCI_SWAP_DIAG0); if (val != 0x01020304) { BCE_PRINTF(sc, "%s(%d): Byte swap is incorrect!\n", __FILE__, __LINE__); rc = ENODEV; goto bce_reset_exit; } /* Just completed a reset, assume that firmware is running again. */ sc->bce_fw_timed_out = 0; /* Wait for the firmware to finish its initialization. */ rc = bce_fw_sync(sc, BCE_DRV_MSG_DATA_WAIT1 | reset_code); if (rc) BCE_PRINTF(sc, "%s(%d): Firmware did not complete initialization!\n", __FILE__, __LINE__); bce_reset_exit: DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return (rc); } static int bce_chipinit(struct bce_softc *sc) { u32 val; int rc = 0; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); /* Make sure the interrupt is not active. */ REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, BCE_PCICFG_INT_ACK_CMD_MASK_INT); /* Initialize DMA byte/word swapping, configure the number of DMA */ /* channels and PCI clock compensation delay. */ val = BCE_DMA_CONFIG_DATA_BYTE_SWAP | BCE_DMA_CONFIG_DATA_WORD_SWAP | #if BYTE_ORDER == BIG_ENDIAN BCE_DMA_CONFIG_CNTL_BYTE_SWAP | #endif BCE_DMA_CONFIG_CNTL_WORD_SWAP | DMA_READ_CHANS << 12 | DMA_WRITE_CHANS << 16; val |= (0x2 << 20) | BCE_DMA_CONFIG_CNTL_PCI_COMP_DLY; if ((sc->bce_flags & BCE_PCIX_FLAG) && (sc->bus_speed_mhz == 133)) val |= BCE_DMA_CONFIG_PCI_FAST_CLK_CMP; /* * This setting resolves a problem observed on certain Intel PCI * chipsets that cannot handle multiple outstanding DMA operations. * See errata E9_5706A1_65. */ if ((BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5706) && (BCE_CHIP_ID(sc) != BCE_CHIP_ID_5706_A0) && !(sc->bce_flags & BCE_PCIX_FLAG)) val |= BCE_DMA_CONFIG_CNTL_PING_PONG_DMA; REG_WR(sc, BCE_DMA_CONFIG, val); /* Clear the PCI-X relaxed ordering bit. See errata E3_5708CA0_570. */ if (sc->bce_flags & BCE_PCIX_FLAG) { u16 val; val = pci_read_config(sc->bce_dev, BCE_PCI_PCIX_CMD, 2); pci_write_config(sc->bce_dev, BCE_PCI_PCIX_CMD, val & ~0x2, 2); } /* Enable the RX_V2P and Context state machines before access. */ REG_WR(sc, BCE_MISC_ENABLE_SET_BITS, BCE_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE | BCE_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE | BCE_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE); /* Initialize context mapping and zero out the quick contexts. */ bce_init_context(sc); /* Initialize the on-boards CPUs */ bce_init_cpus(sc); /* Prepare NVRAM for access. */ if (bce_init_nvram(sc)) { rc = ENODEV; goto bce_chipinit_exit; } /* Set the kernel bypass block size */ val = REG_RD(sc, BCE_MQ_CONFIG); val &= ~BCE_MQ_CONFIG_KNL_BYP_BLK_SIZE; val |= BCE_MQ_CONFIG_KNL_BYP_BLK_SIZE_256; REG_WR(sc, BCE_MQ_CONFIG, val); val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE); REG_WR(sc, BCE_MQ_KNL_BYP_WIND_START, val); REG_WR(sc, BCE_MQ_KNL_WIND_END, val); val = (BCM_PAGE_BITS - 8) << 24; REG_WR(sc, BCE_RV2P_CONFIG, val); /* Configure page size. */ val = REG_RD(sc, BCE_TBDR_CONFIG); val &= ~BCE_TBDR_CONFIG_PAGE_SIZE; val |= (BCM_PAGE_BITS - 8) << 24 | 0x40; REG_WR(sc, BCE_TBDR_CONFIG, val); bce_chipinit_exit: DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return(rc); } /****************************************************************************/ /* Initialize the controller in preparation to send/receive traffic. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_blockinit(struct bce_softc *sc) { u32 reg, val; int rc = 0; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); /* Load the hardware default MAC address. */ bce_set_mac_addr(sc); /* Set the Ethernet backoff seed value */ val = sc->eaddr[0] + (sc->eaddr[1] << 8) + (sc->eaddr[2] << 16) + (sc->eaddr[3] ) + (sc->eaddr[4] << 8) + (sc->eaddr[5] << 16); REG_WR(sc, BCE_EMAC_BACKOFF_SEED, val); sc->last_status_idx = 0; sc->rx_mode = BCE_EMAC_RX_MODE_SORT_MODE; /* Set up link change interrupt generation. */ REG_WR(sc, BCE_EMAC_ATTENTION_ENA, BCE_EMAC_ATTENTION_ENA_LINK); /* Program the physical address of the status block. */ REG_WR(sc, BCE_HC_STATUS_ADDR_L, BCE_ADDR_LO(sc->status_block_paddr)); REG_WR(sc, BCE_HC_STATUS_ADDR_H, BCE_ADDR_HI(sc->status_block_paddr)); /* Program the physical address of the statistics block. */ REG_WR(sc, BCE_HC_STATISTICS_ADDR_L, BCE_ADDR_LO(sc->stats_block_paddr)); REG_WR(sc, BCE_HC_STATISTICS_ADDR_H, BCE_ADDR_HI(sc->stats_block_paddr)); /* Program various host coalescing parameters. */ REG_WR(sc, BCE_HC_TX_QUICK_CONS_TRIP, (sc->bce_tx_quick_cons_trip_int << 16) | sc->bce_tx_quick_cons_trip); REG_WR(sc, BCE_HC_RX_QUICK_CONS_TRIP, (sc->bce_rx_quick_cons_trip_int << 16) | sc->bce_rx_quick_cons_trip); REG_WR(sc, BCE_HC_COMP_PROD_TRIP, (sc->bce_comp_prod_trip_int << 16) | sc->bce_comp_prod_trip); REG_WR(sc, BCE_HC_TX_TICKS, (sc->bce_tx_ticks_int << 16) | sc->bce_tx_ticks); REG_WR(sc, BCE_HC_RX_TICKS, (sc->bce_rx_ticks_int << 16) | sc->bce_rx_ticks); REG_WR(sc, BCE_HC_COM_TICKS, (sc->bce_com_ticks_int << 16) | sc->bce_com_ticks); REG_WR(sc, BCE_HC_CMD_TICKS, (sc->bce_cmd_ticks_int << 16) | sc->bce_cmd_ticks); REG_WR(sc, BCE_HC_STATS_TICKS, (sc->bce_stats_ticks & 0xffff00)); REG_WR(sc, BCE_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */ REG_WR(sc, BCE_HC_CONFIG, (BCE_HC_CONFIG_RX_TMR_MODE | BCE_HC_CONFIG_TX_TMR_MODE | BCE_HC_CONFIG_COLLECT_STATS)); /* Clear the internal statistics counters. */ REG_WR(sc, BCE_HC_COMMAND, BCE_HC_COMMAND_CLR_STAT_NOW); /* Verify that bootcode is running. */ reg = REG_RD_IND(sc, sc->bce_shmem_base + BCE_DEV_INFO_SIGNATURE); DBRUNIF(DB_RANDOMTRUE(bce_debug_bootcode_running_failure), BCE_PRINTF(sc, "%s(%d): Simulating bootcode failure.\n", __FILE__, __LINE__); reg = 0); if ((reg & BCE_DEV_INFO_SIGNATURE_MAGIC_MASK) != BCE_DEV_INFO_SIGNATURE_MAGIC) { BCE_PRINTF(sc, "%s(%d): Bootcode not running! Found: 0x%08X, " "Expected: 08%08X\n", __FILE__, __LINE__, (reg & BCE_DEV_INFO_SIGNATURE_MAGIC_MASK), BCE_DEV_INFO_SIGNATURE_MAGIC); rc = ENODEV; goto bce_blockinit_exit; } /* Check if any management firmware is running. */ reg = REG_RD_IND(sc, sc->bce_shmem_base + BCE_PORT_FEATURE); if (reg & (BCE_PORT_FEATURE_ASF_ENABLED | BCE_PORT_FEATURE_IMD_ENABLED)) { DBPRINT(sc, BCE_INFO, "Management F/W Enabled.\n"); sc->bce_flags |= BCE_MFW_ENABLE_FLAG; } sc->bce_fw_ver = REG_RD_IND(sc, sc->bce_shmem_base + BCE_DEV_INFO_BC_REV); DBPRINT(sc, BCE_INFO, "bootcode rev = 0x%08X\n", sc->bce_fw_ver); /* Allow bootcode to apply any additional fixes before enabling MAC. */ rc = bce_fw_sync(sc, BCE_DRV_MSG_DATA_WAIT2 | BCE_DRV_MSG_CODE_RESET); /* Enable link state change interrupt generation. */ REG_WR(sc, BCE_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE); /* Enable all remaining blocks in the MAC. */ REG_WR(sc, BCE_MISC_ENABLE_SET_BITS, 0x5ffffff); REG_RD(sc, BCE_MISC_ENABLE_SET_BITS); DELAY(20); bce_blockinit_exit: DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return (rc); } /****************************************************************************/ /* Encapsulate an mbuf cluster into the rx_bd chain. */ /* */ /* The NetXtreme II can support Jumbo frames by using multiple rx_bd's. */ /* This routine will map an mbuf cluster into 1 or more rx_bd's as */ /* necessary. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_get_buf(struct bce_softc *sc, struct mbuf *m, u16 *prod, u16 *chain_prod, u32 *prod_bseq) { bus_dmamap_t map; bus_dma_segment_t segs[4]; struct mbuf *m_new = NULL; struct rx_bd *rxbd; int i, nsegs, error, rc = 0; #ifdef BCE_DEBUG u16 debug_chain_prod = *chain_prod; #endif DBPRINT(sc, (BCE_VERBOSE_RESET | BCE_VERBOSE_RECV), "Entering %s()\n", __FUNCTION__); /* Make sure the inputs are valid. */ DBRUNIF((*chain_prod > MAX_RX_BD), BCE_PRINTF(sc, "%s(%d): RX producer out of range: 0x%04X > 0x%04X\n", __FILE__, __LINE__, *chain_prod, (u16) MAX_RX_BD)); DBPRINT(sc, BCE_VERBOSE_RECV, "%s(enter): prod = 0x%04X, chain_prod = 0x%04X, " "prod_bseq = 0x%08X\n", __FUNCTION__, *prod, *chain_prod, *prod_bseq); if (m == NULL) { DBRUNIF(DB_RANDOMTRUE(bce_debug_mbuf_allocation_failure), BCE_PRINTF(sc, "%s(%d): Simulating mbuf allocation failure.\n", __FILE__, __LINE__); sc->mbuf_alloc_failed++; rc = ENOBUFS; goto bce_get_buf_exit); /* This is a new mbuf allocation. */ MGETHDR(m_new, M_DONTWAIT, MT_DATA); if (m_new == NULL) { DBPRINT(sc, BCE_WARN, "%s(%d): RX mbuf header allocation failed!\n", __FILE__, __LINE__); DBRUNIF(1, sc->mbuf_alloc_failed++); rc = ENOBUFS; goto bce_get_buf_exit; } DBRUNIF(1, sc->rx_mbuf_alloc++); m_cljget(m_new, M_DONTWAIT, sc->mbuf_alloc_size); if (!(m_new->m_flags & M_EXT)) { DBPRINT(sc, BCE_WARN, "%s(%d): RX mbuf chain allocation failed!\n", __FILE__, __LINE__); m_freem(m_new); DBRUNIF(1, sc->rx_mbuf_alloc--); DBRUNIF(1, sc->mbuf_alloc_failed++); rc = ENOBUFS; goto bce_get_buf_exit; } m_new->m_len = m_new->m_pkthdr.len = sc->mbuf_alloc_size; } else { m_new = m; m_new->m_len = m_new->m_pkthdr.len = sc->mbuf_alloc_size; m_new->m_data = m_new->m_ext.ext_buf; } /* Map the mbuf cluster into device memory. */ map = sc->rx_mbuf_map[*chain_prod]; error = bus_dmamap_load_mbuf_sg(sc->rx_mbuf_tag, map, m_new, segs, &nsegs, BUS_DMA_NOWAIT); if (error) { BCE_PRINTF(sc, "%s(%d): Error mapping mbuf into RX chain!\n", __FILE__, __LINE__); m_freem(m_new); DBRUNIF(1, sc->rx_mbuf_alloc--); rc = ENOBUFS; goto bce_get_buf_exit; } /* Watch for overflow. */ DBRUNIF((sc->free_rx_bd > USABLE_RX_BD), BCE_PRINTF(sc, "%s(%d): Too many free rx_bd (0x%04X > 0x%04X)!\n", __FILE__, __LINE__, sc->free_rx_bd, (u16) USABLE_RX_BD)); DBRUNIF((sc->free_rx_bd < sc->rx_low_watermark), sc->rx_low_watermark = sc->free_rx_bd); /* Setup the rx_bd for the first segment. */ rxbd = &sc->rx_bd_chain[RX_PAGE(*chain_prod)][RX_IDX(*chain_prod)]; rxbd->rx_bd_haddr_lo = htole32(BCE_ADDR_LO(segs[0].ds_addr)); rxbd->rx_bd_haddr_hi = htole32(BCE_ADDR_HI(segs[0].ds_addr)); rxbd->rx_bd_len = htole32(segs[0].ds_len); rxbd->rx_bd_flags = htole32(RX_BD_FLAGS_START); *prod_bseq += segs[0].ds_len; for (i = 1; i < nsegs; i++) { *prod = NEXT_RX_BD(*prod); *chain_prod = RX_CHAIN_IDX(*prod); rxbd = &sc->rx_bd_chain[RX_PAGE(*chain_prod)][RX_IDX(*chain_prod)]; rxbd->rx_bd_haddr_lo = htole32(BCE_ADDR_LO(segs[i].ds_addr)); rxbd->rx_bd_haddr_hi = htole32(BCE_ADDR_HI(segs[i].ds_addr)); rxbd->rx_bd_len = htole32(segs[i].ds_len); rxbd->rx_bd_flags = 0; *prod_bseq += segs[i].ds_len; } rxbd->rx_bd_flags |= htole32(RX_BD_FLAGS_END); /* Save the mbuf and update our counter. */ sc->rx_mbuf_ptr[*chain_prod] = m_new; sc->free_rx_bd -= nsegs; DBRUN(BCE_VERBOSE_RECV, bce_dump_rx_mbuf_chain(sc, debug_chain_prod, nsegs)); DBPRINT(sc, BCE_VERBOSE_RECV, "%s(exit): prod = 0x%04X, chain_prod = 0x%04X, " "prod_bseq = 0x%08X\n", __FUNCTION__, *prod, *chain_prod, *prod_bseq); bce_get_buf_exit: DBPRINT(sc, (BCE_VERBOSE_RESET | BCE_VERBOSE_RECV), "Exiting %s()\n", __FUNCTION__); return(rc); } /****************************************************************************/ /* Allocate memory and initialize the TX data structures. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_init_tx_chain(struct bce_softc *sc) { struct tx_bd *txbd; u32 val; int i, rc = 0; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); /* Set the initial TX producer/consumer indices. */ sc->tx_prod = 0; sc->tx_cons = 0; sc->tx_prod_bseq = 0; sc->used_tx_bd = 0; DBRUNIF(1, sc->tx_hi_watermark = USABLE_TX_BD); /* * The NetXtreme II supports a linked-list structre called * a Buffer Descriptor Chain (or BD chain). A BD chain * consists of a series of 1 or more chain pages, each of which * consists of a fixed number of BD entries. * The last BD entry on each page is a pointer to the next page * in the chain, and the last pointer in the BD chain * points back to the beginning of the chain. */ /* Set the TX next pointer chain entries. */ for (i = 0; i < TX_PAGES; i++) { int j; txbd = &sc->tx_bd_chain[i][USABLE_TX_BD_PER_PAGE]; /* Check if we've reached the last page. */ if (i == (TX_PAGES - 1)) j = 0; else j = i + 1; txbd->tx_bd_haddr_hi = htole32(BCE_ADDR_HI(sc->tx_bd_chain_paddr[j])); txbd->tx_bd_haddr_lo = htole32(BCE_ADDR_LO(sc->tx_bd_chain_paddr[j])); } /* * Initialize the context ID for an L2 TX chain. */ val = BCE_L2CTX_TYPE_TYPE_L2; val |= BCE_L2CTX_TYPE_SIZE_L2; CTX_WR(sc, GET_CID_ADDR(TX_CID), BCE_L2CTX_TYPE, val); val = BCE_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16); CTX_WR(sc, GET_CID_ADDR(TX_CID), BCE_L2CTX_CMD_TYPE, val); /* Point the hardware to the first page in the chain. */ val = BCE_ADDR_HI(sc->tx_bd_chain_paddr[0]); CTX_WR(sc, GET_CID_ADDR(TX_CID), BCE_L2CTX_TBDR_BHADDR_HI, val); val = BCE_ADDR_LO(sc->tx_bd_chain_paddr[0]); CTX_WR(sc, GET_CID_ADDR(TX_CID), BCE_L2CTX_TBDR_BHADDR_LO, val); DBRUN(BCE_VERBOSE_SEND, bce_dump_tx_chain(sc, 0, TOTAL_TX_BD)); DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return(rc); } /****************************************************************************/ /* Free memory and clear the TX data structures. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_free_tx_chain(struct bce_softc *sc) { int i; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); /* Unmap, unload, and free any mbufs still in the TX mbuf chain. */ for (i = 0; i < TOTAL_TX_BD; i++) { if (sc->tx_mbuf_ptr[i] != NULL) { if (sc->tx_mbuf_map != NULL) bus_dmamap_sync(sc->tx_mbuf_tag, sc->tx_mbuf_map[i], BUS_DMASYNC_POSTWRITE); m_freem(sc->tx_mbuf_ptr[i]); sc->tx_mbuf_ptr[i] = NULL; DBRUNIF(1, sc->tx_mbuf_alloc--); } } /* Clear each TX chain page. */ for (i = 0; i < TX_PAGES; i++) bzero((char *)sc->tx_bd_chain[i], BCE_TX_CHAIN_PAGE_SZ); /* Check if we lost any mbufs in the process. */ DBRUNIF((sc->tx_mbuf_alloc), BCE_PRINTF(sc, "%s(%d): Memory leak! Lost %d mbufs " "from tx chain!\n", __FILE__, __LINE__, sc->tx_mbuf_alloc)); DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); } /****************************************************************************/ /* Allocate memory and initialize the RX data structures. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_init_rx_chain(struct bce_softc *sc) { struct rx_bd *rxbd; int i, rc = 0; u16 prod, chain_prod; u32 prod_bseq, val; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); /* Initialize the RX producer and consumer indices. */ sc->rx_prod = 0; sc->rx_cons = 0; sc->rx_prod_bseq = 0; sc->free_rx_bd = BCE_RX_SLACK_SPACE; DBRUNIF(1, sc->rx_low_watermark = USABLE_RX_BD); /* Initialize the RX next pointer chain entries. */ for (i = 0; i < RX_PAGES; i++) { int j; rxbd = &sc->rx_bd_chain[i][USABLE_RX_BD_PER_PAGE]; /* Check if we've reached the last page. */ if (i == (RX_PAGES - 1)) j = 0; else j = i + 1; /* Setup the chain page pointers. */ rxbd->rx_bd_haddr_hi = htole32(BCE_ADDR_HI(sc->rx_bd_chain_paddr[j])); rxbd->rx_bd_haddr_lo = htole32(BCE_ADDR_LO(sc->rx_bd_chain_paddr[j])); } /* Initialize the context ID for an L2 RX chain. */ val = BCE_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE; val |= BCE_L2CTX_CTX_TYPE_SIZE_L2; val |= 0x02 << 8; CTX_WR(sc, GET_CID_ADDR(RX_CID), BCE_L2CTX_CTX_TYPE, val); /* Point the hardware to the first page in the chain. */ val = BCE_ADDR_HI(sc->rx_bd_chain_paddr[0]); CTX_WR(sc, GET_CID_ADDR(RX_CID), BCE_L2CTX_NX_BDHADDR_HI, val); val = BCE_ADDR_LO(sc->rx_bd_chain_paddr[0]); CTX_WR(sc, GET_CID_ADDR(RX_CID), BCE_L2CTX_NX_BDHADDR_LO, val); /* Allocate mbuf clusters for the rx_bd chain. */ prod = prod_bseq = 0; while (prod < BCE_RX_SLACK_SPACE) { chain_prod = RX_CHAIN_IDX(prod); if (bce_get_buf(sc, NULL, &prod, &chain_prod, &prod_bseq)) { BCE_PRINTF(sc, "%s(%d): Error filling RX chain: rx_bd[0x%04X]!\n", __FILE__, __LINE__, chain_prod); rc = ENOBUFS; break; } prod = NEXT_RX_BD(prod); } /* Save the RX chain producer index. */ sc->rx_prod = prod; sc->rx_prod_bseq = prod_bseq; for (i = 0; i < RX_PAGES; i++) { bus_dmamap_sync( sc->rx_bd_chain_tag, sc->rx_bd_chain_map[i], BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); } /* Tell the chip about the waiting rx_bd's. */ REG_WR16(sc, MB_RX_CID_ADDR + BCE_L2CTX_HOST_BDIDX, sc->rx_prod); REG_WR(sc, MB_RX_CID_ADDR + BCE_L2CTX_HOST_BSEQ, sc->rx_prod_bseq); DBRUN(BCE_VERBOSE_RECV, bce_dump_rx_chain(sc, 0, TOTAL_RX_BD)); DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return(rc); } /****************************************************************************/ /* Free memory and clear the RX data structures. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_free_rx_chain(struct bce_softc *sc) { int i; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); /* Free any mbufs still in the RX mbuf chain. */ for (i = 0; i < TOTAL_RX_BD; i++) { if (sc->rx_mbuf_ptr[i] != NULL) { if (sc->rx_mbuf_map[i] != NULL) bus_dmamap_sync(sc->rx_mbuf_tag, sc->rx_mbuf_map[i], BUS_DMASYNC_POSTREAD); m_freem(sc->rx_mbuf_ptr[i]); sc->rx_mbuf_ptr[i] = NULL; DBRUNIF(1, sc->rx_mbuf_alloc--); } } /* Clear each RX chain page. */ for (i = 0; i < RX_PAGES; i++) bzero((char *)sc->rx_bd_chain[i], BCE_RX_CHAIN_PAGE_SZ); /* Check if we lost any mbufs in the process. */ DBRUNIF((sc->rx_mbuf_alloc), BCE_PRINTF(sc, "%s(%d): Memory leak! Lost %d mbufs from rx chain!\n", __FILE__, __LINE__, sc->rx_mbuf_alloc)); DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); } /****************************************************************************/ /* Set media options. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_ifmedia_upd(struct ifnet *ifp) { struct bce_softc *sc; struct mii_data *mii; struct ifmedia *ifm; int rc = 0; sc = ifp->if_softc; ifm = &sc->bce_ifmedia; /* DRC - ToDo: Add SerDes support. */ mii = device_get_softc(sc->bce_miibus); sc->bce_link = 0; if (mii->mii_instance) { struct mii_softc *miisc; for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL; miisc = LIST_NEXT(miisc, mii_list)) mii_phy_reset(miisc); } mii_mediachg(mii); return(rc); } /****************************************************************************/ /* Reports current media status. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) { struct bce_softc *sc; struct mii_data *mii; sc = ifp->if_softc; BCE_LOCK(sc); mii = device_get_softc(sc->bce_miibus); /* DRC - ToDo: Add SerDes support. */ mii_pollstat(mii); ifmr->ifm_active = mii->mii_media_active; ifmr->ifm_status = mii->mii_media_status; BCE_UNLOCK(sc); } /****************************************************************************/ /* Handles PHY generated interrupt events. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_phy_intr(struct bce_softc *sc) { u32 new_link_state, old_link_state; new_link_state = sc->status_block->status_attn_bits & STATUS_ATTN_BITS_LINK_STATE; old_link_state = sc->status_block->status_attn_bits_ack & STATUS_ATTN_BITS_LINK_STATE; /* Handle any changes if the link state has changed. */ if (new_link_state != old_link_state) { DBRUN(BCE_VERBOSE_INTR, bce_dump_status_block(sc)); sc->bce_link = 0; callout_stop(&sc->bce_stat_ch); bce_tick_locked(sc); /* Update the status_attn_bits_ack field in the status block. */ if (new_link_state) { REG_WR(sc, BCE_PCICFG_STATUS_BIT_SET_CMD, STATUS_ATTN_BITS_LINK_STATE); DBPRINT(sc, BCE_INFO, "Link is now UP.\n"); } else { REG_WR(sc, BCE_PCICFG_STATUS_BIT_CLEAR_CMD, STATUS_ATTN_BITS_LINK_STATE); DBPRINT(sc, BCE_INFO, "Link is now DOWN.\n"); } } /* Acknowledge the link change interrupt. */ REG_WR(sc, BCE_EMAC_STATUS, BCE_EMAC_STATUS_LINK_CHANGE); } /****************************************************************************/ /* Handles received frame interrupt events. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_rx_intr(struct bce_softc *sc) { struct status_block *sblk = sc->status_block; struct ifnet *ifp = sc->bce_ifp; u16 hw_cons, sw_cons, sw_chain_cons, sw_prod, sw_chain_prod; u32 sw_prod_bseq; struct l2_fhdr *l2fhdr; DBRUNIF(1, sc->rx_interrupts++); /* Prepare the RX chain pages to be accessed by the host CPU. */ for (int i = 0; i < RX_PAGES; i++) bus_dmamap_sync(sc->rx_bd_chain_tag, sc->rx_bd_chain_map[i], BUS_DMASYNC_POSTWRITE); /* Get the hardware's view of the RX consumer index. */ hw_cons = sc->hw_rx_cons = sblk->status_rx_quick_consumer_index0; if ((hw_cons & USABLE_RX_BD_PER_PAGE) == USABLE_RX_BD_PER_PAGE) hw_cons++; /* Get working copies of the driver's view of the RX indices. */ sw_cons = sc->rx_cons; sw_prod = sc->rx_prod; sw_prod_bseq = sc->rx_prod_bseq; DBPRINT(sc, BCE_INFO_RECV, "%s(enter): sw_prod = 0x%04X, " "sw_cons = 0x%04X, sw_prod_bseq = 0x%08X\n", __FUNCTION__, sw_prod, sw_cons, sw_prod_bseq); /* Prevent speculative reads from getting ahead of the status block. */ bus_space_barrier(sc->bce_btag, sc->bce_bhandle, 0, 0, BUS_SPACE_BARRIER_READ); DBRUNIF((sc->free_rx_bd < sc->rx_low_watermark), sc->rx_low_watermark = sc->free_rx_bd); /* * Scan through the receive chain as long * as there is work to do. */ while (sw_cons != hw_cons) { struct mbuf *m; struct rx_bd *rxbd; unsigned int len; u32 status; /* Convert the producer/consumer indices to an actual rx_bd index. */ sw_chain_cons = RX_CHAIN_IDX(sw_cons); sw_chain_prod = RX_CHAIN_IDX(sw_prod); /* Get the used rx_bd. */ rxbd = &sc->rx_bd_chain[RX_PAGE(sw_chain_cons)][RX_IDX(sw_chain_cons)]; sc->free_rx_bd++; DBRUN(BCE_VERBOSE_RECV, BCE_PRINTF(sc, "%s(): ", __FUNCTION__); bce_dump_rxbd(sc, sw_chain_cons, rxbd)); #ifdef DEVICE_POLLING if (ifp->if_capenable & IFCAP_POLLING) { if (sc->bce_rxcycles <= 0) break; sc->bce_rxcycles--; } #endif /* The mbuf is stored with the last rx_bd entry of a packet. */ if (sc->rx_mbuf_ptr[sw_chain_cons] != NULL) { /* Validate that this is the last rx_bd. */ DBRUNIF((!(rxbd->rx_bd_flags & RX_BD_FLAGS_END)), BCE_PRINTF(sc, "%s(%d): Unexpected mbuf found in rx_bd[0x%04X]!\n", __FILE__, __LINE__, sw_chain_cons); bce_breakpoint(sc)); /* DRC - ToDo: If the received packet is small, say less */ /* than 128 bytes, allocate a new mbuf here, */ /* copy the data to that mbuf, and recycle */ /* the mapped jumbo frame. */ /* Unmap the mbuf from DMA space. */ bus_dmamap_sync(sc->rx_mbuf_tag, sc->rx_mbuf_map[sw_chain_cons], BUS_DMASYNC_POSTREAD); bus_dmamap_unload(sc->rx_mbuf_tag, sc->rx_mbuf_map[sw_chain_cons]); /* Remove the mbuf from the driver's chain. */ m = sc->rx_mbuf_ptr[sw_chain_cons]; sc->rx_mbuf_ptr[sw_chain_cons] = NULL; /* * Frames received on the NetXteme II are prepended * with the l2_fhdr structure which provides status * information about the received frame (including * VLAN tags and checksum info) and are also * automatically adjusted to align the IP header * (i.e. two null bytes are inserted before the * Ethernet header). */ l2fhdr = mtod(m, struct l2_fhdr *); len = l2fhdr->l2_fhdr_pkt_len; status = l2fhdr->l2_fhdr_status; DBRUNIF(DB_RANDOMTRUE(bce_debug_l2fhdr_status_check), BCE_PRINTF(sc, "Simulating l2_fhdr status error.\n"); status = status | L2_FHDR_ERRORS_PHY_DECODE); /* Watch for unusual sized frames. */ DBRUNIF(((len < BCE_MIN_MTU) || (len > BCE_MAX_JUMBO_ETHER_MTU_VLAN)), BCE_PRINTF(sc, "%s(%d): Unusual frame size found. " "Min(%d), Actual(%d), Max(%d)\n", __FILE__, __LINE__, (int) BCE_MIN_MTU, len, (int) BCE_MAX_JUMBO_ETHER_MTU_VLAN); bce_dump_mbuf(sc, m); bce_breakpoint(sc)); len -= ETHER_CRC_LEN; /* Check the received frame for errors. */ if (status & (L2_FHDR_ERRORS_BAD_CRC | L2_FHDR_ERRORS_PHY_DECODE | L2_FHDR_ERRORS_ALIGNMENT | L2_FHDR_ERRORS_TOO_SHORT | L2_FHDR_ERRORS_GIANT_FRAME)) { ifp->if_ierrors++; DBRUNIF(1, sc->l2fhdr_status_errors++); /* Reuse the mbuf for a new frame. */ if (bce_get_buf(sc, m, &sw_prod, &sw_chain_prod, &sw_prod_bseq)) { DBRUNIF(1, bce_breakpoint(sc)); panic("bce%d: Can't reuse RX mbuf!\n", sc->bce_unit); } goto bce_rx_int_next_rx; } /* * Get a new mbuf for the rx_bd. If no new * mbufs are available then reuse the current mbuf, * log an ierror on the interface, and generate * an error in the system log. */ if (bce_get_buf(sc, NULL, &sw_prod, &sw_chain_prod, &sw_prod_bseq)) { DBRUN(BCE_WARN, BCE_PRINTF(sc, "%s(%d): Failed to allocate " "new mbuf, incoming frame dropped!\n", __FILE__, __LINE__)); ifp->if_ierrors++; /* Try and reuse the exisitng mbuf. */ if (bce_get_buf(sc, m, &sw_prod, &sw_chain_prod, &sw_prod_bseq)) { DBRUNIF(1, bce_breakpoint(sc)); panic("bce%d: Double mbuf allocation failure!", sc->bce_unit); } goto bce_rx_int_next_rx; } /* Skip over the l2_fhdr when passing the data up the stack. */ m_adj(m, sizeof(struct l2_fhdr) + ETHER_ALIGN); /* Adjust the packet length to match the received data. */ m->m_pkthdr.len = m->m_len = len; /* Send the packet to the appropriate interface. */ m->m_pkthdr.rcvif = ifp; DBRUN(BCE_VERBOSE_RECV, struct ether_header *eh; eh = mtod(m, struct ether_header *); BCE_PRINTF(sc, "%s(): to: %6D, from: %6D, type: 0x%04X\n", __FUNCTION__, eh->ether_dhost, ":", eh->ether_shost, ":", htons(eh->ether_type))); /* Validate the checksum if offload enabled. */ if (ifp->if_capenable & IFCAP_RXCSUM) { /* Check for an IP datagram. */ if (status & L2_FHDR_STATUS_IP_DATAGRAM) { m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED; /* Check if the IP checksum is valid. */ if ((l2fhdr->l2_fhdr_ip_xsum ^ 0xffff) == 0) m->m_pkthdr.csum_flags |= CSUM_IP_VALID; else DBPRINT(sc, BCE_WARN_SEND, "%s(): Invalid IP checksum = 0x%04X!\n", __FUNCTION__, l2fhdr->l2_fhdr_ip_xsum); } /* Check for a valid TCP/UDP frame. */ if (status & (L2_FHDR_STATUS_TCP_SEGMENT | L2_FHDR_STATUS_UDP_DATAGRAM)) { /* Check for a good TCP/UDP checksum. */ if ((status & (L2_FHDR_ERRORS_TCP_XSUM | L2_FHDR_ERRORS_UDP_XSUM)) == 0) { m->m_pkthdr.csum_data = l2fhdr->l2_fhdr_tcp_udp_xsum; m->m_pkthdr.csum_flags |= (CSUM_DATA_VALID | CSUM_PSEUDO_HDR); } else DBPRINT(sc, BCE_WARN_SEND, "%s(): Invalid TCP/UDP checksum = 0x%04X!\n", __FUNCTION__, l2fhdr->l2_fhdr_tcp_udp_xsum); } } /* * If we received a packet with a vlan tag, * attach that information to the packet. */ if (status & L2_FHDR_STATUS_L2_VLAN_TAG) { DBPRINT(sc, BCE_VERBOSE_SEND, "%s(): VLAN tag = 0x%04X\n", __FUNCTION__, l2fhdr->l2_fhdr_vlan_tag); #if __FreeBSD_version < 700000 VLAN_INPUT_TAG(ifp, m, l2fhdr->l2_fhdr_vlan_tag, continue); #else m->m_pkthdr.ether_vtag = l2fhdr->l2_fhdr_vlan_tag; m->m_flags |= M_VLANTAG; #endif } /* Pass the mbuf off to the upper layers. */ ifp->if_ipackets++; DBPRINT(sc, BCE_VERBOSE_RECV, "%s(): Passing received frame up.\n", __FUNCTION__); BCE_UNLOCK(sc); (*ifp->if_input)(ifp, m); DBRUNIF(1, sc->rx_mbuf_alloc--); BCE_LOCK(sc); bce_rx_int_next_rx: sw_prod = NEXT_RX_BD(sw_prod); } sw_cons = NEXT_RX_BD(sw_cons); /* Refresh hw_cons to see if there's new work */ if (sw_cons == hw_cons) { hw_cons = sc->hw_rx_cons = sblk->status_rx_quick_consumer_index0; if ((hw_cons & USABLE_RX_BD_PER_PAGE) == USABLE_RX_BD_PER_PAGE) hw_cons++; } /* Prevent speculative reads from getting ahead of the status block. */ bus_space_barrier(sc->bce_btag, sc->bce_bhandle, 0, 0, BUS_SPACE_BARRIER_READ); } for (int i = 0; i < RX_PAGES; i++) bus_dmamap_sync(sc->rx_bd_chain_tag, sc->rx_bd_chain_map[i], BUS_DMASYNC_PREWRITE); sc->rx_cons = sw_cons; sc->rx_prod = sw_prod; sc->rx_prod_bseq = sw_prod_bseq; REG_WR16(sc, MB_RX_CID_ADDR + BCE_L2CTX_HOST_BDIDX, sc->rx_prod); REG_WR(sc, MB_RX_CID_ADDR + BCE_L2CTX_HOST_BSEQ, sc->rx_prod_bseq); DBPRINT(sc, BCE_INFO_RECV, "%s(exit): rx_prod = 0x%04X, " "rx_cons = 0x%04X, rx_prod_bseq = 0x%08X\n", __FUNCTION__, sc->rx_prod, sc->rx_cons, sc->rx_prod_bseq); } /****************************************************************************/ /* Handles transmit completion interrupt events. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_tx_intr(struct bce_softc *sc) { struct status_block *sblk = sc->status_block; struct ifnet *ifp = sc->bce_ifp; u16 hw_tx_cons, sw_tx_cons, sw_tx_chain_cons; BCE_LOCK_ASSERT(sc); DBRUNIF(1, sc->tx_interrupts++); /* Get the hardware's view of the TX consumer index. */ hw_tx_cons = sc->hw_tx_cons = sblk->status_tx_quick_consumer_index0; /* Skip to the next entry if this is a chain page pointer. */ if ((hw_tx_cons & USABLE_TX_BD_PER_PAGE) == USABLE_TX_BD_PER_PAGE) hw_tx_cons++; sw_tx_cons = sc->tx_cons; /* Prevent speculative reads from getting ahead of the status block. */ bus_space_barrier(sc->bce_btag, sc->bce_bhandle, 0, 0, BUS_SPACE_BARRIER_READ); /* Cycle through any completed TX chain page entries. */ while (sw_tx_cons != hw_tx_cons) { #ifdef BCE_DEBUG struct tx_bd *txbd = NULL; #endif sw_tx_chain_cons = TX_CHAIN_IDX(sw_tx_cons); DBPRINT(sc, BCE_INFO_SEND, "%s(): hw_tx_cons = 0x%04X, sw_tx_cons = 0x%04X, " "sw_tx_chain_cons = 0x%04X\n", __FUNCTION__, hw_tx_cons, sw_tx_cons, sw_tx_chain_cons); DBRUNIF((sw_tx_chain_cons > MAX_TX_BD), BCE_PRINTF(sc, "%s(%d): TX chain consumer out of range! " " 0x%04X > 0x%04X\n", __FILE__, __LINE__, sw_tx_chain_cons, (int) MAX_TX_BD); bce_breakpoint(sc)); DBRUNIF(1, txbd = &sc->tx_bd_chain[TX_PAGE(sw_tx_chain_cons)] [TX_IDX(sw_tx_chain_cons)]); DBRUNIF((txbd == NULL), BCE_PRINTF(sc, "%s(%d): Unexpected NULL tx_bd[0x%04X]!\n", __FILE__, __LINE__, sw_tx_chain_cons); bce_breakpoint(sc)); DBRUN(BCE_INFO_SEND, BCE_PRINTF(sc, "%s(): ", __FUNCTION__); bce_dump_txbd(sc, sw_tx_chain_cons, txbd)); /* * Free the associated mbuf. Remember * that only the last tx_bd of a packet * has an mbuf pointer and DMA map. */ if (sc->tx_mbuf_ptr[sw_tx_chain_cons] != NULL) { /* Validate that this is the last tx_bd. */ DBRUNIF((!(txbd->tx_bd_flags & TX_BD_FLAGS_END)), BCE_PRINTF(sc, "%s(%d): tx_bd END flag not set but " "txmbuf == NULL!\n", __FILE__, __LINE__); bce_breakpoint(sc)); DBRUN(BCE_INFO_SEND, BCE_PRINTF(sc, "%s(): Unloading map/freeing mbuf " "from tx_bd[0x%04X]\n", __FUNCTION__, sw_tx_chain_cons)); /* Unmap the mbuf. */ bus_dmamap_unload(sc->tx_mbuf_tag, sc->tx_mbuf_map[sw_tx_chain_cons]); /* Free the mbuf. */ m_freem(sc->tx_mbuf_ptr[sw_tx_chain_cons]); sc->tx_mbuf_ptr[sw_tx_chain_cons] = NULL; DBRUNIF(1, sc->tx_mbuf_alloc--); ifp->if_opackets++; } sc->used_tx_bd--; sw_tx_cons = NEXT_TX_BD(sw_tx_cons); /* Refresh hw_cons to see if there's new work. */ hw_tx_cons = sc->hw_tx_cons = sblk->status_tx_quick_consumer_index0; if ((hw_tx_cons & USABLE_TX_BD_PER_PAGE) == USABLE_TX_BD_PER_PAGE) hw_tx_cons++; /* Prevent speculative reads from getting ahead of the status block. */ bus_space_barrier(sc->bce_btag, sc->bce_bhandle, 0, 0, BUS_SPACE_BARRIER_READ); } /* Clear the TX timeout timer. */ ifp->if_timer = 0; /* Clear the tx hardware queue full flag. */ if ((sc->used_tx_bd + BCE_TX_SLACK_SPACE) < USABLE_TX_BD) { DBRUNIF((ifp->if_drv_flags & IFF_DRV_OACTIVE), BCE_PRINTF(sc, "%s(): TX chain is open for business! Used tx_bd = %d\n", __FUNCTION__, sc->used_tx_bd)); ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; } sc->tx_cons = sw_tx_cons; } /****************************************************************************/ /* Disables interrupt generation. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_disable_intr(struct bce_softc *sc) { REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, BCE_PCICFG_INT_ACK_CMD_MASK_INT); REG_RD(sc, BCE_PCICFG_INT_ACK_CMD); } /****************************************************************************/ /* Enables interrupt generation. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_enable_intr(struct bce_softc *sc) { u32 val; REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, BCE_PCICFG_INT_ACK_CMD_INDEX_VALID | BCE_PCICFG_INT_ACK_CMD_MASK_INT | sc->last_status_idx); REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, BCE_PCICFG_INT_ACK_CMD_INDEX_VALID | sc->last_status_idx); val = REG_RD(sc, BCE_HC_COMMAND); REG_WR(sc, BCE_HC_COMMAND, val | BCE_HC_COMMAND_COAL_NOW); } /****************************************************************************/ /* Handles controller initialization. */ /* */ /* Must be called from a locked routine. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_init_locked(struct bce_softc *sc) { struct ifnet *ifp; u32 ether_mtu; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); BCE_LOCK_ASSERT(sc); ifp = sc->bce_ifp; /* Check if the driver is still running and bail out if it is. */ if (ifp->if_drv_flags & IFF_DRV_RUNNING) goto bce_init_locked_exit; bce_stop(sc); if (bce_reset(sc, BCE_DRV_MSG_CODE_RESET)) { BCE_PRINTF(sc, "%s(%d): Controller reset failed!\n", __FILE__, __LINE__); goto bce_init_locked_exit; } if (bce_chipinit(sc)) { BCE_PRINTF(sc, "%s(%d): Controller initialization failed!\n", __FILE__, __LINE__); goto bce_init_locked_exit; } if (bce_blockinit(sc)) { BCE_PRINTF(sc, "%s(%d): Block initialization failed!\n", __FILE__, __LINE__); goto bce_init_locked_exit; } /* Load our MAC address. */ bcopy(IF_LLADDR(sc->bce_ifp), sc->eaddr, ETHER_ADDR_LEN); bce_set_mac_addr(sc); /* Calculate and program the Ethernet MTU size. */ ether_mtu = ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN + ifp->if_mtu + ETHER_CRC_LEN; DBPRINT(sc, BCE_INFO, "%s(): setting mtu = %d\n",__FUNCTION__, ether_mtu); /* * Program the mtu, enabling jumbo frame * support if necessary. Also set the mbuf * allocation count for RX frames. */ if (ether_mtu > ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN) { REG_WR(sc, BCE_EMAC_RX_MTU_SIZE, ether_mtu | BCE_EMAC_RX_MTU_SIZE_JUMBO_ENA); sc->mbuf_alloc_size = MJUM9BYTES; } else { REG_WR(sc, BCE_EMAC_RX_MTU_SIZE, ether_mtu); sc->mbuf_alloc_size = MCLBYTES; } /* Calculate the RX Ethernet frame size for rx_bd's. */ sc->max_frame_size = sizeof(struct l2_fhdr) + 2 + ether_mtu + 8; DBPRINT(sc, BCE_INFO, "%s(): mclbytes = %d, mbuf_alloc_size = %d, " "max_frame_size = %d\n", __FUNCTION__, (int) MCLBYTES, sc->mbuf_alloc_size, sc->max_frame_size); /* Program appropriate promiscuous/multicast filtering. */ bce_set_rx_mode(sc); /* Init RX buffer descriptor chain. */ bce_init_rx_chain(sc); /* Init TX buffer descriptor chain. */ bce_init_tx_chain(sc); #ifdef DEVICE_POLLING /* Disable interrupts if we are polling. */ if (ifp->if_capenable & IFCAP_POLLING) { bce_disable_intr(sc); REG_WR(sc, BCE_HC_RX_QUICK_CONS_TRIP, (1 << 16) | sc->bce_rx_quick_cons_trip); REG_WR(sc, BCE_HC_TX_QUICK_CONS_TRIP, (1 << 16) | sc->bce_tx_quick_cons_trip); } else #endif /* Enable host interrupts. */ bce_enable_intr(sc); bce_ifmedia_upd(ifp); ifp->if_drv_flags |= IFF_DRV_RUNNING; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; callout_reset(&sc->bce_stat_ch, hz, bce_tick, sc); bce_init_locked_exit: DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return; } static void bce_mgmt_init_locked(struct bce_softc *sc) { u32 val; struct ifnet *ifp; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); BCE_LOCK_ASSERT(sc); ifp = sc->bce_ifp; /* Check if the driver is still running and bail out if it is. */ if (ifp->if_drv_flags & IFF_DRV_RUNNING) goto bce_mgmt_init_locked_exit; /* Initialize the on-boards CPUs */ bce_init_cpus(sc); val = (BCM_PAGE_BITS - 8) << 24; REG_WR(sc, BCE_RV2P_CONFIG, val); /* Enable all critical blocks in the MAC. */ REG_WR(sc, BCE_MISC_ENABLE_SET_BITS, BCE_MISC_ENABLE_SET_BITS_RX_V2P_ENABLE | BCE_MISC_ENABLE_SET_BITS_RX_DMA_ENABLE | BCE_MISC_ENABLE_SET_BITS_COMPLETION_ENABLE); REG_RD(sc, BCE_MISC_ENABLE_SET_BITS); DELAY(20); bce_ifmedia_upd(ifp); bce_mgmt_init_locked_exit: DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return; } /****************************************************************************/ /* Handles controller initialization when called from an unlocked routine. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_init(void *xsc) { struct bce_softc *sc = xsc; BCE_LOCK(sc); bce_init_locked(sc); BCE_UNLOCK(sc); } /****************************************************************************/ /* Encapsultes an mbuf cluster into the tx_bd chain structure and makes the */ /* memory visible to the controller. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_tx_encap(struct bce_softc *sc, struct mbuf **m_head) { bus_dma_segment_t segs[BCE_MAX_SEGMENTS]; bus_dmamap_t map; struct tx_bd *txbd = NULL; struct mbuf *m0; u16 vlan_tag = 0, flags = 0; u16 chain_prod, prod; u32 prod_bseq; #ifdef BCE_DEBUG u16 debug_prod; #endif int i, error, nsegs, rc = 0; /* Transfer any checksum offload flags to the bd. */ m0 = *m_head; if (m0->m_pkthdr.csum_flags) { if (m0->m_pkthdr.csum_flags & CSUM_IP) flags |= TX_BD_FLAGS_IP_CKSUM; if (m0->m_pkthdr.csum_flags & (CSUM_TCP | CSUM_UDP)) flags |= TX_BD_FLAGS_TCP_UDP_CKSUM; } /* Transfer any VLAN tags to the bd. */ if (m0->m_flags & M_VLANTAG) { flags |= TX_BD_FLAGS_VLAN_TAG; vlan_tag = m0->m_pkthdr.ether_vtag; } /* Map the mbuf into DMAable memory. */ prod = sc->tx_prod; chain_prod = TX_CHAIN_IDX(prod); map = sc->tx_mbuf_map[chain_prod]; /* Map the mbuf into our DMA address space. */ error = bus_dmamap_load_mbuf_sg(sc->tx_mbuf_tag, map, m0, segs, &nsegs, BUS_DMA_NOWAIT); if (error == EFBIG) { /* Try to defrag the mbuf if there are too many segments. */ DBPRINT(sc, BCE_WARN, "%s(): fragmented mbuf (%d pieces)\n", __FUNCTION__, nsegs); m0 = m_defrag(*m_head, M_DONTWAIT); if (m0 == NULL) { m_freem(*m_head); *m_head = NULL; return (ENOBUFS); } *m_head = m0; error = bus_dmamap_load_mbuf_sg(sc->tx_mbuf_tag, map, m0, segs, &nsegs, BUS_DMA_NOWAIT); /* Still getting an error after a defrag. */ if (error == ENOMEM) { return (error); } else if (error != 0) { BCE_PRINTF(sc, "%s(%d): Error mapping mbuf into TX chain!\n", __FILE__, __LINE__); m_freem(m0); *m_head = NULL; return (ENOBUFS); } } else if (error == ENOMEM) { return (error); } else if (error != 0) { m_freem(m0); *m_head = NULL; return (error); } /* * The chip seems to require that at least 16 descriptors be kept * empty at all times. Make sure we honor that. * XXX Would it be faster to assume worst case scenario for nsegs * and do this calculation higher up? */ if (nsegs > (USABLE_TX_BD - sc->used_tx_bd - BCE_TX_SLACK_SPACE)) { bus_dmamap_unload(sc->tx_mbuf_tag, map); return (ENOBUFS); } /* prod points to an empty tx_bd at this point. */ prod_bseq = sc->tx_prod_bseq; #ifdef BCE_DEBUG debug_prod = chain_prod; #endif DBPRINT(sc, BCE_INFO_SEND, "%s(): Start: prod = 0x%04X, chain_prod = %04X, " "prod_bseq = 0x%08X\n", __FUNCTION__, prod, chain_prod, prod_bseq); /* * Cycle through each mbuf segment that makes up * the outgoing frame, gathering the mapping info * for that segment and creating a tx_bd to for * the mbuf. */ for (i = 0; i < nsegs ; i++) { chain_prod = TX_CHAIN_IDX(prod); txbd= &sc->tx_bd_chain[TX_PAGE(chain_prod)][TX_IDX(chain_prod)]; txbd->tx_bd_haddr_lo = htole32(BCE_ADDR_LO(segs[i].ds_addr)); txbd->tx_bd_haddr_hi = htole32(BCE_ADDR_HI(segs[i].ds_addr)); txbd->tx_bd_mss_nbytes = htole16(segs[i].ds_len); txbd->tx_bd_vlan_tag = htole16(vlan_tag); txbd->tx_bd_flags = htole16(flags); prod_bseq += segs[i].ds_len; if (i == 0) txbd->tx_bd_flags |= htole16(TX_BD_FLAGS_START); prod = NEXT_TX_BD(prod); } /* Set the END flag on the last TX buffer descriptor. */ txbd->tx_bd_flags |= htole16(TX_BD_FLAGS_END); DBRUN(BCE_INFO_SEND, bce_dump_tx_chain(sc, debug_prod, nsegs)); DBPRINT(sc, BCE_INFO_SEND, "%s(): End: prod = 0x%04X, chain_prod = %04X, " "prod_bseq = 0x%08X\n", __FUNCTION__, prod, chain_prod, prod_bseq); /* * Ensure that the mbuf pointer for this transmission * is placed at the array index of the last * descriptor in this chain. This is done * because a single map is used for all * segments of the mbuf and we don't want to * unload the map before all of the segments * have been freed. */ sc->tx_mbuf_ptr[chain_prod] = m0; sc->used_tx_bd += nsegs; DBRUNIF((sc->used_tx_bd > sc->tx_hi_watermark), sc->tx_hi_watermark = sc->used_tx_bd); DBRUNIF(1, sc->tx_mbuf_alloc++); DBRUN(BCE_VERBOSE_SEND, bce_dump_tx_mbuf_chain(sc, chain_prod, nsegs)); /* prod points to the next free tx_bd at this point. */ sc->tx_prod = prod; sc->tx_prod_bseq = prod_bseq; return(rc); } /****************************************************************************/ /* Main transmit routine when called from another routine with a lock. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_start_locked(struct ifnet *ifp) { struct bce_softc *sc = ifp->if_softc; struct mbuf *m_head = NULL; int count = 0; u16 tx_prod, tx_chain_prod; /* If there's no link or the transmit queue is empty then just exit. */ if (!sc->bce_link || IFQ_DRV_IS_EMPTY(&ifp->if_snd)) { DBPRINT(sc, BCE_INFO_SEND, "%s(): No link or transmit queue empty.\n", __FUNCTION__); goto bce_start_locked_exit; } /* prod points to the next free tx_bd. */ tx_prod = sc->tx_prod; tx_chain_prod = TX_CHAIN_IDX(tx_prod); DBPRINT(sc, BCE_INFO_SEND, "%s(): Start: tx_prod = 0x%04X, tx_chain_prod = %04X, " "tx_prod_bseq = 0x%08X\n", __FUNCTION__, tx_prod, tx_chain_prod, sc->tx_prod_bseq); /* * Keep adding entries while there is space in the ring. We keep * BCE_TX_SLACK_SPACE entries unused at all times. */ while (sc->used_tx_bd < USABLE_TX_BD - BCE_TX_SLACK_SPACE) { /* Check for any frames to send. */ 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, place the mbuf back at the * head of the queue and set the OACTIVE flag * to wait for the NIC to drain the chain. */ if (bce_tx_encap(sc, &m_head)) { IFQ_DRV_PREPEND(&ifp->if_snd, m_head); ifp->if_drv_flags |= IFF_DRV_OACTIVE; DBPRINT(sc, BCE_INFO_SEND, "TX chain is closed for business! Total tx_bd used = %d\n", sc->used_tx_bd); break; } count++; /* Send a copy of the frame to any BPF listeners. */ BPF_MTAP(ifp, m_head); } if (count == 0) { /* no packets were dequeued */ DBPRINT(sc, BCE_VERBOSE_SEND, "%s(): No packets were dequeued\n", __FUNCTION__); goto bce_start_locked_exit; } /* Update the driver's counters. */ tx_chain_prod = TX_CHAIN_IDX(sc->tx_prod); DBPRINT(sc, BCE_INFO_SEND, "%s(): End: tx_prod = 0x%04X, tx_chain_prod = 0x%04X, " "tx_prod_bseq = 0x%08X\n", __FUNCTION__, tx_prod, tx_chain_prod, sc->tx_prod_bseq); /* Start the transmit. */ REG_WR16(sc, MB_TX_CID_ADDR + BCE_L2CTX_TX_HOST_BIDX, sc->tx_prod); REG_WR(sc, MB_TX_CID_ADDR + BCE_L2CTX_TX_HOST_BSEQ, sc->tx_prod_bseq); /* Set the tx timeout. */ ifp->if_timer = BCE_TX_TIMEOUT; bce_start_locked_exit: return; } /****************************************************************************/ /* Main transmit routine when called from another routine without a lock. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_start(struct ifnet *ifp) { struct bce_softc *sc = ifp->if_softc; BCE_LOCK(sc); bce_start_locked(ifp); BCE_UNLOCK(sc); } /****************************************************************************/ /* Handles any IOCTL calls from the operating system. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_ioctl(struct ifnet *ifp, u_long command, caddr_t data) { struct bce_softc *sc = ifp->if_softc; struct ifreq *ifr = (struct ifreq *) data; struct mii_data *mii; int mask, error = 0; DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__); switch(command) { /* Set the MTU. */ case SIOCSIFMTU: /* Check that the MTU setting is supported. */ if ((ifr->ifr_mtu < BCE_MIN_MTU) || (ifr->ifr_mtu > BCE_MAX_JUMBO_MTU)) { error = EINVAL; break; } DBPRINT(sc, BCE_INFO, "Setting new MTU of %d\n", ifr->ifr_mtu); BCE_LOCK(sc); ifp->if_mtu = ifr->ifr_mtu; ifp->if_drv_flags &= ~IFF_DRV_RUNNING; bce_init_locked(sc); BCE_UNLOCK(sc); break; /* Set interface. */ case SIOCSIFFLAGS: DBPRINT(sc, BCE_VERBOSE, "Received SIOCSIFFLAGS\n"); BCE_LOCK(sc); /* Check if the interface is up. */ if (ifp->if_flags & IFF_UP) { if (ifp->if_drv_flags & IFF_DRV_RUNNING) { /* Change the promiscuous/multicast flags as necessary. */ bce_set_rx_mode(sc); } else { /* Start the HW */ bce_init_locked(sc); } } else { /* The interface is down. Check if the driver is running. */ if (ifp->if_drv_flags & IFF_DRV_RUNNING) { bce_stop(sc); } } BCE_UNLOCK(sc); error = 0; break; /* Add/Delete multicast address */ case SIOCADDMULTI: case SIOCDELMULTI: DBPRINT(sc, BCE_VERBOSE, "Received SIOCADDMULTI/SIOCDELMULTI\n"); BCE_LOCK(sc); if (ifp->if_drv_flags & IFF_DRV_RUNNING) { bce_set_rx_mode(sc); error = 0; } BCE_UNLOCK(sc); break; /* Set/Get Interface media */ case SIOCSIFMEDIA: case SIOCGIFMEDIA: DBPRINT(sc, BCE_VERBOSE, "Received SIOCSIFMEDIA/SIOCGIFMEDIA\n"); DBPRINT(sc, BCE_VERBOSE, "bce_phy_flags = 0x%08X\n", sc->bce_phy_flags); if (sc->bce_phy_flags & BCE_PHY_SERDES_FLAG) { DBPRINT(sc, BCE_VERBOSE, "SerDes media set/get\n"); error = ifmedia_ioctl(ifp, ifr, &sc->bce_ifmedia, command); } else { DBPRINT(sc, BCE_VERBOSE, "Copper media set/get\n"); mii = device_get_softc(sc->bce_miibus); error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command); } break; /* Set interface capability */ case SIOCSIFCAP: mask = ifr->ifr_reqcap ^ ifp->if_capenable; DBPRINT(sc, BCE_INFO, "Received SIOCSIFCAP = 0x%08X\n", (u32) mask); #ifdef DEVICE_POLLING if (mask & IFCAP_POLLING) { if (ifr->ifr_reqcap & IFCAP_POLLING) { /* Setup the poll routine to call. */ error = ether_poll_register(bce_poll, ifp); if (error) { BCE_PRINTF(sc, "%s(%d): Error registering poll function!\n", __FILE__, __LINE__); goto bce_ioctl_exit; } /* Clear the interrupt. */ BCE_LOCK(sc); bce_disable_intr(sc); REG_WR(sc, BCE_HC_RX_QUICK_CONS_TRIP, (1 << 16) | sc->bce_rx_quick_cons_trip); REG_WR(sc, BCE_HC_TX_QUICK_CONS_TRIP, (1 << 16) | sc->bce_tx_quick_cons_trip); ifp->if_capenable |= IFCAP_POLLING; BCE_UNLOCK(sc); } else { /* Clear the poll routine. */ error = ether_poll_deregister(ifp); /* Enable interrupt even in error case */ BCE_LOCK(sc); bce_enable_intr(sc); REG_WR(sc, BCE_HC_TX_QUICK_CONS_TRIP, (sc->bce_tx_quick_cons_trip_int << 16) | sc->bce_tx_quick_cons_trip); REG_WR(sc, BCE_HC_RX_QUICK_CONS_TRIP, (sc->bce_rx_quick_cons_trip_int << 16) | sc->bce_rx_quick_cons_trip); ifp->if_capenable &= ~IFCAP_POLLING; BCE_UNLOCK(sc); } } #endif /*DEVICE_POLLING */ /* Toggle the TX checksum capabilites enable flag. */ if (mask & IFCAP_TXCSUM) { ifp->if_capenable ^= IFCAP_TXCSUM; if (IFCAP_TXCSUM & ifp->if_capenable) ifp->if_hwassist = BCE_IF_HWASSIST; else ifp->if_hwassist = 0; } /* Toggle the RX checksum capabilities enable flag. */ if (mask & IFCAP_RXCSUM) { ifp->if_capenable ^= IFCAP_RXCSUM; if (IFCAP_RXCSUM & ifp->if_capenable) ifp->if_hwassist = BCE_IF_HWASSIST; else ifp->if_hwassist = 0; } /* Toggle VLAN_MTU capabilities enable flag. */ if (mask & IFCAP_VLAN_MTU) { BCE_PRINTF(sc, "%s(%d): Changing VLAN_MTU not supported.\n", __FILE__, __LINE__); } /* Toggle VLANHWTAG capabilities enabled flag. */ if (mask & IFCAP_VLAN_HWTAGGING) { if (sc->bce_flags & BCE_MFW_ENABLE_FLAG) BCE_PRINTF(sc, "%s(%d): Cannot change VLAN_HWTAGGING while " "management firmware (ASF/IPMI/UMP) is running!\n", __FILE__, __LINE__); else BCE_PRINTF(sc, "%s(%d): Changing VLAN_HWTAGGING not supported!\n", __FILE__, __LINE__); } break; default: DBPRINT(sc, BCE_INFO, "Received unsupported IOCTL: 0x%08X\n", (u32) command); /* We don't know how to handle the IOCTL, pass it on. */ error = ether_ioctl(ifp, command, data); break; } #ifdef DEVICE_POLLING bce_ioctl_exit: #endif DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__); return(error); } /****************************************************************************/ /* Transmit timeout handler. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_watchdog(struct ifnet *ifp) { struct bce_softc *sc = ifp->if_softc; DBRUN(BCE_WARN_SEND, bce_dump_driver_state(sc); bce_dump_status_block(sc)); BCE_PRINTF(sc, "%s(%d): Watchdog timeout occurred, resetting!\n", __FILE__, __LINE__); /* DBRUN(BCE_FATAL, bce_breakpoint(sc)); */ BCE_LOCK(sc); ifp->if_drv_flags &= ~IFF_DRV_RUNNING; bce_init_locked(sc); ifp->if_oerrors++; BCE_UNLOCK(sc); } #ifdef DEVICE_POLLING static void bce_poll_locked(struct ifnet *ifp, enum poll_cmd cmd, int count) { struct bce_softc *sc = ifp->if_softc; BCE_LOCK_ASSERT(sc); sc->bce_rxcycles = count; bus_dmamap_sync(sc->status_tag, sc->status_map, BUS_DMASYNC_POSTWRITE); /* Check for any completed RX frames. */ if (sc->status_block->status_rx_quick_consumer_index0 != sc->hw_rx_cons) bce_rx_intr(sc); /* Check for any completed TX frames. */ if (sc->status_block->status_tx_quick_consumer_index0 != sc->hw_tx_cons) bce_tx_intr(sc); /* Check for new frames to transmit. */ if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) bce_start_locked(ifp); } static void bce_poll(struct ifnet *ifp, enum poll_cmd cmd, int count) { struct bce_softc *sc = ifp->if_softc; BCE_LOCK(sc); if (ifp->if_drv_flags & IFF_DRV_RUNNING) bce_poll_locked(ifp, cmd, count); BCE_UNLOCK(sc); } #endif /* DEVICE_POLLING */ #if 0 static inline int bce_has_work(struct bce_softc *sc) { struct status_block *stat = sc->status_block; if ((stat->status_rx_quick_consumer_index0 != sc->hw_rx_cons) || (stat->status_tx_quick_consumer_index0 != sc->hw_tx_cons)) return 1; if (((stat->status_attn_bits & STATUS_ATTN_BITS_LINK_STATE) != 0) != bp->link_up) return 1; return 0; } #endif /* * Interrupt handler. */ /****************************************************************************/ /* Main interrupt entry point. Verifies that the controller generated the */ /* interrupt and then calls a separate routine for handle the various */ /* interrupt causes (PHY, TX, RX). */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static void bce_intr(void *xsc) { struct bce_softc *sc; struct ifnet *ifp; u32 status_attn_bits; sc = xsc; ifp = sc->bce_ifp; BCE_LOCK(sc); DBRUNIF(1, sc->interrupts_generated++); #ifdef DEVICE_POLLING if (ifp->if_capenable & IFCAP_POLLING) { DBPRINT(sc, BCE_INFO, "Polling enabled!\n"); goto bce_intr_exit; } #endif bus_dmamap_sync(sc->status_tag, sc->status_map, BUS_DMASYNC_POSTWRITE); /* * If the hardware status block index * matches the last value read by the * driver and we haven't asserted our * interrupt then there's nothing to do. */ if ((sc->status_block->status_idx == sc->last_status_idx) && (REG_RD(sc, BCE_PCICFG_MISC_STATUS) & BCE_PCICFG_MISC_STATUS_INTA_VALUE)) goto bce_intr_exit; /* Ack the interrupt and stop others from occuring. */ REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, BCE_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM | BCE_PCICFG_INT_ACK_CMD_MASK_INT); /* Keep processing data as long as there is work to do. */ for (;;) { status_attn_bits = sc->status_block->status_attn_bits; DBRUNIF(DB_RANDOMTRUE(bce_debug_unexpected_attention), BCE_PRINTF(sc, "Simulating unexpected status attention bit set."); status_attn_bits = status_attn_bits | STATUS_ATTN_BITS_PARITY_ERROR); /* Was it a link change interrupt? */ if ((status_attn_bits & STATUS_ATTN_BITS_LINK_STATE) != (sc->status_block->status_attn_bits_ack & STATUS_ATTN_BITS_LINK_STATE)) bce_phy_intr(sc); /* If any other attention is asserted then the chip is toast. */ if (((status_attn_bits & ~STATUS_ATTN_BITS_LINK_STATE) != (sc->status_block->status_attn_bits_ack & ~STATUS_ATTN_BITS_LINK_STATE))) { DBRUN(1, sc->unexpected_attentions++); BCE_PRINTF(sc, "%s(%d): Fatal attention detected: 0x%08X\n", __FILE__, __LINE__, sc->status_block->status_attn_bits); DBRUN(BCE_FATAL, if (bce_debug_unexpected_attention == 0) bce_breakpoint(sc)); bce_init_locked(sc); goto bce_intr_exit; } /* Check for any completed RX frames. */ if (sc->status_block->status_rx_quick_consumer_index0 != sc->hw_rx_cons) bce_rx_intr(sc); /* Check for any completed TX frames. */ if (sc->status_block->status_tx_quick_consumer_index0 != sc->hw_tx_cons) bce_tx_intr(sc); /* Save the status block index value for use during the next interrupt. */ sc->last_status_idx = sc->status_block->status_idx; /* Prevent speculative reads from getting ahead of the status block. */ bus_space_barrier(sc->bce_btag, sc->bce_bhandle, 0, 0, BUS_SPACE_BARRIER_READ); /* If there's no work left then exit the interrupt service routine. */ if ((sc->status_block->status_rx_quick_consumer_index0 == sc->hw_rx_cons) && (sc->status_block->status_tx_quick_consumer_index0 == sc->hw_tx_cons)) break; } bus_dmamap_sync(sc->status_tag, sc->status_map, BUS_DMASYNC_PREWRITE); /* Re-enable interrupts. */ REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, BCE_PCICFG_INT_ACK_CMD_INDEX_VALID | sc->last_status_idx | BCE_PCICFG_INT_ACK_CMD_MASK_INT); REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, BCE_PCICFG_INT_ACK_CMD_INDEX_VALID | sc->last_status_idx); /* Handle any frames that arrived while handling the interrupt. */ if (ifp->if_drv_flags & IFF_DRV_RUNNING && !IFQ_DRV_IS_EMPTY(&ifp->if_snd)) bce_start_locked(ifp); bce_intr_exit: BCE_UNLOCK(sc); } /****************************************************************************/ /* Programs the various packet receive modes (broadcast and multicast). */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_set_rx_mode(struct bce_softc *sc) { struct ifnet *ifp; struct ifmultiaddr *ifma; u32 hashes[4] = { 0, 0, 0, 0 }; u32 rx_mode, sort_mode; int h, i; BCE_LOCK_ASSERT(sc); ifp = sc->bce_ifp; /* Initialize receive mode default settings. */ rx_mode = sc->rx_mode & ~(BCE_EMAC_RX_MODE_PROMISCUOUS | BCE_EMAC_RX_MODE_KEEP_VLAN_TAG); sort_mode = 1 | BCE_RPM_SORT_USER0_BC_EN; /* * ASF/IPMI/UMP firmware requires that VLAN tag stripping * be enbled. */ if (!(BCE_IF_CAPABILITIES & IFCAP_VLAN_HWTAGGING) && (!(sc->bce_flags & BCE_MFW_ENABLE_FLAG))) rx_mode |= BCE_EMAC_RX_MODE_KEEP_VLAN_TAG; /* * Check for promiscuous, all multicast, or selected * multicast address filtering. */ if (ifp->if_flags & IFF_PROMISC) { DBPRINT(sc, BCE_INFO, "Enabling promiscuous mode.\n"); /* Enable promiscuous mode. */ rx_mode |= BCE_EMAC_RX_MODE_PROMISCUOUS; sort_mode |= BCE_RPM_SORT_USER0_PROM_EN; } else if (ifp->if_flags & IFF_ALLMULTI) { DBPRINT(sc, BCE_INFO, "Enabling all multicast mode.\n"); /* Enable all multicast addresses. */ for (i = 0; i < NUM_MC_HASH_REGISTERS; i++) { REG_WR(sc, BCE_EMAC_MULTICAST_HASH0 + (i * 4), 0xffffffff); } sort_mode |= BCE_RPM_SORT_USER0_MC_EN; } else { /* Accept one or more multicast(s). */ DBPRINT(sc, BCE_INFO, "Enabling selective multicast mode.\n"); IF_ADDR_LOCK(ifp); TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { if (ifma->ifma_addr->sa_family != AF_LINK) continue; h = ether_crc32_le(LLADDR((struct sockaddr_dl *) ifma->ifma_addr), ETHER_ADDR_LEN) & 0x7F; hashes[(h & 0x60) >> 5] |= 1 << (h & 0x1F); } IF_ADDR_UNLOCK(ifp); for (i = 0; i < 4; i++) REG_WR(sc, BCE_EMAC_MULTICAST_HASH0 + (i * 4), hashes[i]); sort_mode |= BCE_RPM_SORT_USER0_MC_HSH_EN; } /* Only make changes if the recive mode has actually changed. */ if (rx_mode != sc->rx_mode) { DBPRINT(sc, BCE_VERBOSE, "Enabling new receive mode: 0x%08X\n", rx_mode); sc->rx_mode = rx_mode; REG_WR(sc, BCE_EMAC_RX_MODE, rx_mode); } /* Disable and clear the exisitng sort before enabling a new sort. */ REG_WR(sc, BCE_RPM_SORT_USER0, 0x0); REG_WR(sc, BCE_RPM_SORT_USER0, sort_mode); REG_WR(sc, BCE_RPM_SORT_USER0, sort_mode | BCE_RPM_SORT_USER0_ENA); } /****************************************************************************/ /* Called periodically to updates statistics from the controllers */ /* statistics block. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_stats_update(struct bce_softc *sc) { struct ifnet *ifp; struct statistics_block *stats; DBPRINT(sc, BCE_EXCESSIVE, "Entering %s()\n", __FUNCTION__); ifp = sc->bce_ifp; stats = (struct statistics_block *) sc->stats_block; /* * Update the interface statistics from the * hardware statistics. */ ifp->if_collisions = (u_long) stats->stat_EtherStatsCollisions; ifp->if_ierrors = (u_long) stats->stat_EtherStatsUndersizePkts + (u_long) stats->stat_EtherStatsOverrsizePkts + (u_long) stats->stat_IfInMBUFDiscards + (u_long) stats->stat_Dot3StatsAlignmentErrors + (u_long) stats->stat_Dot3StatsFCSErrors; ifp->if_oerrors = (u_long) stats->stat_emac_tx_stat_dot3statsinternalmactransmiterrors + (u_long) stats->stat_Dot3StatsExcessiveCollisions + (u_long) stats->stat_Dot3StatsLateCollisions; /* * Certain controllers don't report * carrier sense errors correctly. * See errata E11_5708CA0_1165. */ if (!(BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5706) && !(BCE_CHIP_ID(sc) == BCE_CHIP_ID_5708_A0)) ifp->if_oerrors += (u_long) stats->stat_Dot3StatsCarrierSenseErrors; /* * Update the sysctl statistics from the * hardware statistics. */ sc->stat_IfHCInOctets = ((u64) stats->stat_IfHCInOctets_hi << 32) + (u64) stats->stat_IfHCInOctets_lo; sc->stat_IfHCInBadOctets = ((u64) stats->stat_IfHCInBadOctets_hi << 32) + (u64) stats->stat_IfHCInBadOctets_lo; sc->stat_IfHCOutOctets = ((u64) stats->stat_IfHCOutOctets_hi << 32) + (u64) stats->stat_IfHCOutOctets_lo; sc->stat_IfHCOutBadOctets = ((u64) stats->stat_IfHCOutBadOctets_hi << 32) + (u64) stats->stat_IfHCOutBadOctets_lo; sc->stat_IfHCInUcastPkts = ((u64) stats->stat_IfHCInUcastPkts_hi << 32) + (u64) stats->stat_IfHCInUcastPkts_lo; sc->stat_IfHCInMulticastPkts = ((u64) stats->stat_IfHCInMulticastPkts_hi << 32) + (u64) stats->stat_IfHCInMulticastPkts_lo; sc->stat_IfHCInBroadcastPkts = ((u64) stats->stat_IfHCInBroadcastPkts_hi << 32) + (u64) stats->stat_IfHCInBroadcastPkts_lo; sc->stat_IfHCOutUcastPkts = ((u64) stats->stat_IfHCOutUcastPkts_hi << 32) + (u64) stats->stat_IfHCOutUcastPkts_lo; sc->stat_IfHCOutMulticastPkts = ((u64) stats->stat_IfHCOutMulticastPkts_hi << 32) + (u64) stats->stat_IfHCOutMulticastPkts_lo; sc->stat_IfHCOutBroadcastPkts = ((u64) stats->stat_IfHCOutBroadcastPkts_hi << 32) + (u64) stats->stat_IfHCOutBroadcastPkts_lo; sc->stat_emac_tx_stat_dot3statsinternalmactransmiterrors = stats->stat_emac_tx_stat_dot3statsinternalmactransmiterrors; sc->stat_Dot3StatsCarrierSenseErrors = stats->stat_Dot3StatsCarrierSenseErrors; sc->stat_Dot3StatsFCSErrors = stats->stat_Dot3StatsFCSErrors; sc->stat_Dot3StatsAlignmentErrors = stats->stat_Dot3StatsAlignmentErrors; sc->stat_Dot3StatsSingleCollisionFrames = stats->stat_Dot3StatsSingleCollisionFrames; sc->stat_Dot3StatsMultipleCollisionFrames = stats->stat_Dot3StatsMultipleCollisionFrames; sc->stat_Dot3StatsDeferredTransmissions = stats->stat_Dot3StatsDeferredTransmissions; sc->stat_Dot3StatsExcessiveCollisions = stats->stat_Dot3StatsExcessiveCollisions; sc->stat_Dot3StatsLateCollisions = stats->stat_Dot3StatsLateCollisions; sc->stat_EtherStatsCollisions = stats->stat_EtherStatsCollisions; sc->stat_EtherStatsFragments = stats->stat_EtherStatsFragments; sc->stat_EtherStatsJabbers = stats->stat_EtherStatsJabbers; sc->stat_EtherStatsUndersizePkts = stats->stat_EtherStatsUndersizePkts; sc->stat_EtherStatsOverrsizePkts = stats->stat_EtherStatsOverrsizePkts; sc->stat_EtherStatsPktsRx64Octets = stats->stat_EtherStatsPktsRx64Octets; sc->stat_EtherStatsPktsRx65Octetsto127Octets = stats->stat_EtherStatsPktsRx65Octetsto127Octets; sc->stat_EtherStatsPktsRx128Octetsto255Octets = stats->stat_EtherStatsPktsRx128Octetsto255Octets; sc->stat_EtherStatsPktsRx256Octetsto511Octets = stats->stat_EtherStatsPktsRx256Octetsto511Octets; sc->stat_EtherStatsPktsRx512Octetsto1023Octets = stats->stat_EtherStatsPktsRx512Octetsto1023Octets; sc->stat_EtherStatsPktsRx1024Octetsto1522Octets = stats->stat_EtherStatsPktsRx1024Octetsto1522Octets; sc->stat_EtherStatsPktsRx1523Octetsto9022Octets = stats->stat_EtherStatsPktsRx1523Octetsto9022Octets; sc->stat_EtherStatsPktsTx64Octets = stats->stat_EtherStatsPktsTx64Octets; sc->stat_EtherStatsPktsTx65Octetsto127Octets = stats->stat_EtherStatsPktsTx65Octetsto127Octets; sc->stat_EtherStatsPktsTx128Octetsto255Octets = stats->stat_EtherStatsPktsTx128Octetsto255Octets; sc->stat_EtherStatsPktsTx256Octetsto511Octets = stats->stat_EtherStatsPktsTx256Octetsto511Octets; sc->stat_EtherStatsPktsTx512Octetsto1023Octets = stats->stat_EtherStatsPktsTx512Octetsto1023Octets; sc->stat_EtherStatsPktsTx1024Octetsto1522Octets = stats->stat_EtherStatsPktsTx1024Octetsto1522Octets; sc->stat_EtherStatsPktsTx1523Octetsto9022Octets = stats->stat_EtherStatsPktsTx1523Octetsto9022Octets; sc->stat_XonPauseFramesReceived = stats->stat_XonPauseFramesReceived; sc->stat_XoffPauseFramesReceived = stats->stat_XoffPauseFramesReceived; sc->stat_OutXonSent = stats->stat_OutXonSent; sc->stat_OutXoffSent = stats->stat_OutXoffSent; sc->stat_FlowControlDone = stats->stat_FlowControlDone; sc->stat_MacControlFramesReceived = stats->stat_MacControlFramesReceived; sc->stat_XoffStateEntered = stats->stat_XoffStateEntered; sc->stat_IfInFramesL2FilterDiscards = stats->stat_IfInFramesL2FilterDiscards; sc->stat_IfInRuleCheckerDiscards = stats->stat_IfInRuleCheckerDiscards; sc->stat_IfInFTQDiscards = stats->stat_IfInFTQDiscards; sc->stat_IfInMBUFDiscards = stats->stat_IfInMBUFDiscards; sc->stat_IfInRuleCheckerP4Hit = stats->stat_IfInRuleCheckerP4Hit; sc->stat_CatchupInRuleCheckerDiscards = stats->stat_CatchupInRuleCheckerDiscards; sc->stat_CatchupInFTQDiscards = stats->stat_CatchupInFTQDiscards; sc->stat_CatchupInMBUFDiscards = stats->stat_CatchupInMBUFDiscards; sc->stat_CatchupInRuleCheckerP4Hit = stats->stat_CatchupInRuleCheckerP4Hit; DBPRINT(sc, BCE_EXCESSIVE, "Exiting %s()\n", __FUNCTION__); } static void bce_tick_locked(struct bce_softc *sc) { struct mii_data *mii = NULL; struct ifnet *ifp; u32 msg; ifp = sc->bce_ifp; BCE_LOCK_ASSERT(sc); /* Tell the firmware that the driver is still running. */ #ifdef BCE_DEBUG msg = (u32) BCE_DRV_MSG_DATA_PULSE_CODE_ALWAYS_ALIVE; #else msg = (u32) ++sc->bce_fw_drv_pulse_wr_seq; #endif REG_WR_IND(sc, sc->bce_shmem_base + BCE_DRV_PULSE_MB, msg); /* Update the statistics from the hardware statistics block. */ bce_stats_update(sc); /* Schedule the next tick. */ callout_reset( &sc->bce_stat_ch, /* callout */ hz, /* ticks */ bce_tick, /* function */ sc); /* function argument */ /* If link is up already up then we're done. */ if (sc->bce_link) goto bce_tick_locked_exit; /* DRC - ToDo: Add SerDes support and check SerDes link here. */ mii = device_get_softc(sc->bce_miibus); mii_tick(mii); /* Check if the link has come up. */ if (!sc->bce_link && mii->mii_media_status & IFM_ACTIVE && IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { sc->bce_link++; if ((IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T || IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_SX) && bootverbose) BCE_PRINTF(sc, "Gigabit link up\n"); /* Now that link is up, handle any outstanding TX traffic. */ if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) bce_start_locked(ifp); } bce_tick_locked_exit: return; } static void bce_tick(void *xsc) { struct bce_softc *sc; sc = xsc; BCE_LOCK(sc); bce_tick_locked(sc); BCE_UNLOCK(sc); } #ifdef BCE_DEBUG /****************************************************************************/ /* Allows the driver state to be dumped through the sysctl interface. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_sysctl_driver_state(SYSCTL_HANDLER_ARGS) { int error; int result; struct bce_softc *sc; result = -1; error = sysctl_handle_int(oidp, &result, 0, req); if (error || !req->newptr) return (error); if (result == 1) { sc = (struct bce_softc *)arg1; bce_dump_driver_state(sc); } return error; } /****************************************************************************/ /* Allows the hardware state to be dumped through the sysctl interface. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_sysctl_hw_state(SYSCTL_HANDLER_ARGS) { int error; int result; struct bce_softc *sc; result = -1; error = sysctl_handle_int(oidp, &result, 0, req); if (error || !req->newptr) return (error); if (result == 1) { sc = (struct bce_softc *)arg1; bce_dump_hw_state(sc); } return error; } /****************************************************************************/ /* */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_sysctl_dump_rx_chain(SYSCTL_HANDLER_ARGS) { int error; int result; struct bce_softc *sc; result = -1; error = sysctl_handle_int(oidp, &result, 0, req); if (error || !req->newptr) return (error); if (result == 1) { sc = (struct bce_softc *)arg1; bce_dump_rx_chain(sc, 0, USABLE_RX_BD); } return error; } /****************************************************************************/ /* */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static int bce_sysctl_breakpoint(SYSCTL_HANDLER_ARGS) { int error; int result; struct bce_softc *sc; result = -1; error = sysctl_handle_int(oidp, &result, 0, req); if (error || !req->newptr) return (error); if (result == 1) { sc = (struct bce_softc *)arg1; bce_breakpoint(sc); } return error; } #endif /****************************************************************************/ /* Adds any sysctl parameters for tuning or debugging purposes. */ /* */ /* Returns: */ /* 0 for success, positive value for failure. */ /****************************************************************************/ static void bce_add_sysctls(struct bce_softc *sc) { struct sysctl_ctx_list *ctx; struct sysctl_oid_list *children; ctx = device_get_sysctl_ctx(sc->bce_dev); children = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->bce_dev)); SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "driver_version", CTLFLAG_RD, &bce_driver_version, 0, "bce driver version"); #ifdef BCE_DEBUG SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_low_watermark", CTLFLAG_RD, &sc->rx_low_watermark, 0, "Lowest level of free rx_bd's"); SYSCTL_ADD_INT(ctx, children, OID_AUTO, "tx_hi_watermark", CTLFLAG_RD, &sc->tx_hi_watermark, 0, "Highest level of used tx_bd's"); SYSCTL_ADD_INT(ctx, children, OID_AUTO, "l2fhdr_status_errors", CTLFLAG_RD, &sc->l2fhdr_status_errors, 0, "l2_fhdr status errors"); SYSCTL_ADD_INT(ctx, children, OID_AUTO, "unexpected_attentions", CTLFLAG_RD, &sc->unexpected_attentions, 0, "unexpected attentions"); SYSCTL_ADD_INT(ctx, children, OID_AUTO, "lost_status_block_updates", CTLFLAG_RD, &sc->lost_status_block_updates, 0, "lost status block updates"); SYSCTL_ADD_INT(ctx, children, OID_AUTO, "mbuf_alloc_failed", CTLFLAG_RD, &sc->mbuf_alloc_failed, 0, "mbuf cluster allocation failures"); #endif SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "stat_IfHcInOctets", CTLFLAG_RD, &sc->stat_IfHCInOctets, "Bytes received"); SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "stat_IfHCInBadOctets", CTLFLAG_RD, &sc->stat_IfHCInBadOctets, "Bad bytes received"); SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "stat_IfHCOutOctets", CTLFLAG_RD, &sc->stat_IfHCOutOctets, "Bytes sent"); SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "stat_IfHCOutBadOctets", CTLFLAG_RD, &sc->stat_IfHCOutBadOctets, "Bad bytes sent"); SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "stat_IfHCInUcastPkts", CTLFLAG_RD, &sc->stat_IfHCInUcastPkts, "Unicast packets received"); SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "stat_IfHCInMulticastPkts", CTLFLAG_RD, &sc->stat_IfHCInMulticastPkts, "Multicast packets received"); SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "stat_IfHCInBroadcastPkts", CTLFLAG_RD, &sc->stat_IfHCInBroadcastPkts, "Broadcast packets received"); SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "stat_IfHCOutUcastPkts", CTLFLAG_RD, &sc->stat_IfHCOutUcastPkts, "Unicast packets sent"); SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "stat_IfHCOutMulticastPkts", CTLFLAG_RD, &sc->stat_IfHCOutMulticastPkts, "Multicast packets sent"); SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "stat_IfHCOutBroadcastPkts", CTLFLAG_RD, &sc->stat_IfHCOutBroadcastPkts, "Broadcast packets sent"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_emac_tx_stat_dot3statsinternalmactransmiterrors", CTLFLAG_RD, &sc->stat_emac_tx_stat_dot3statsinternalmactransmiterrors, 0, "Internal MAC transmit errors"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_Dot3StatsCarrierSenseErrors", CTLFLAG_RD, &sc->stat_Dot3StatsCarrierSenseErrors, 0, "Carrier sense errors"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_Dot3StatsFCSErrors", CTLFLAG_RD, &sc->stat_Dot3StatsFCSErrors, 0, "Frame check sequence errors"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_Dot3StatsAlignmentErrors", CTLFLAG_RD, &sc->stat_Dot3StatsAlignmentErrors, 0, "Alignment errors"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_Dot3StatsSingleCollisionFrames", CTLFLAG_RD, &sc->stat_Dot3StatsSingleCollisionFrames, 0, "Single Collision Frames"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_Dot3StatsMultipleCollisionFrames", CTLFLAG_RD, &sc->stat_Dot3StatsMultipleCollisionFrames, 0, "Multiple Collision Frames"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_Dot3StatsDeferredTransmissions", CTLFLAG_RD, &sc->stat_Dot3StatsDeferredTransmissions, 0, "Deferred Transmissions"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_Dot3StatsExcessiveCollisions", CTLFLAG_RD, &sc->stat_Dot3StatsExcessiveCollisions, 0, "Excessive Collisions"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_Dot3StatsLateCollisions", CTLFLAG_RD, &sc->stat_Dot3StatsLateCollisions, 0, "Late Collisions"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsCollisions", CTLFLAG_RD, &sc->stat_EtherStatsCollisions, 0, "Collisions"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsFragments", CTLFLAG_RD, &sc->stat_EtherStatsFragments, 0, "Fragments"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsJabbers", CTLFLAG_RD, &sc->stat_EtherStatsJabbers, 0, "Jabbers"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsUndersizePkts", CTLFLAG_RD, &sc->stat_EtherStatsUndersizePkts, 0, "Undersize packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsOverrsizePkts", CTLFLAG_RD, &sc->stat_EtherStatsOverrsizePkts, 0, "stat_EtherStatsOverrsizePkts"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsRx64Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsRx64Octets, 0, "Bytes received in 64 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsRx65Octetsto127Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsRx65Octetsto127Octets, 0, "Bytes received in 65 to 127 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsRx128Octetsto255Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsRx128Octetsto255Octets, 0, "Bytes received in 128 to 255 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsRx256Octetsto511Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsRx256Octetsto511Octets, 0, "Bytes received in 256 to 511 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsRx512Octetsto1023Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsRx512Octetsto1023Octets, 0, "Bytes received in 512 to 1023 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsRx1024Octetsto1522Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsRx1024Octetsto1522Octets, 0, "Bytes received in 1024 t0 1522 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsRx1523Octetsto9022Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsRx1523Octetsto9022Octets, 0, "Bytes received in 1523 to 9022 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsTx64Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsTx64Octets, 0, "Bytes sent in 64 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsTx65Octetsto127Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsTx65Octetsto127Octets, 0, "Bytes sent in 65 to 127 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsTx128Octetsto255Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsTx128Octetsto255Octets, 0, "Bytes sent in 128 to 255 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsTx256Octetsto511Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsTx256Octetsto511Octets, 0, "Bytes sent in 256 to 511 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsTx512Octetsto1023Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsTx512Octetsto1023Octets, 0, "Bytes sent in 512 to 1023 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsTx1024Octetsto1522Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsTx1024Octetsto1522Octets, 0, "Bytes sent in 1024 to 1522 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_EtherStatsPktsTx1523Octetsto9022Octets", CTLFLAG_RD, &sc->stat_EtherStatsPktsTx1523Octetsto9022Octets, 0, "Bytes sent in 1523 to 9022 byte packets"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_XonPauseFramesReceived", CTLFLAG_RD, &sc->stat_XonPauseFramesReceived, 0, "XON pause frames receved"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_XoffPauseFramesReceived", CTLFLAG_RD, &sc->stat_XoffPauseFramesReceived, 0, "XOFF pause frames received"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_OutXonSent", CTLFLAG_RD, &sc->stat_OutXonSent, 0, "XON pause frames sent"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_OutXoffSent", CTLFLAG_RD, &sc->stat_OutXoffSent, 0, "XOFF pause frames sent"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_FlowControlDone", CTLFLAG_RD, &sc->stat_FlowControlDone, 0, "Flow control done"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_MacControlFramesReceived", CTLFLAG_RD, &sc->stat_MacControlFramesReceived, 0, "MAC control frames received"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_XoffStateEntered", CTLFLAG_RD, &sc->stat_XoffStateEntered, 0, "XOFF state entered"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_IfInFramesL2FilterDiscards", CTLFLAG_RD, &sc->stat_IfInFramesL2FilterDiscards, 0, "Received L2 packets discarded"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_IfInRuleCheckerDiscards", CTLFLAG_RD, &sc->stat_IfInRuleCheckerDiscards, 0, "Received packets discarded by rule"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_IfInFTQDiscards", CTLFLAG_RD, &sc->stat_IfInFTQDiscards, 0, "Received packet FTQ discards"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_IfInMBUFDiscards", CTLFLAG_RD, &sc->stat_IfInMBUFDiscards, 0, "Received packets discarded due to lack of controller buffer memory"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_IfInRuleCheckerP4Hit", CTLFLAG_RD, &sc->stat_IfInRuleCheckerP4Hit, 0, "Received packets rule checker hits"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_CatchupInRuleCheckerDiscards", CTLFLAG_RD, &sc->stat_CatchupInRuleCheckerDiscards, 0, "Received packets discarded in Catchup path"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_CatchupInFTQDiscards", CTLFLAG_RD, &sc->stat_CatchupInFTQDiscards, 0, "Received packets discarded in FTQ in Catchup path"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_CatchupInMBUFDiscards", CTLFLAG_RD, &sc->stat_CatchupInMBUFDiscards, 0, "Received packets discarded in controller buffer memory in Catchup path"); SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "stat_CatchupInRuleCheckerP4Hit", CTLFLAG_RD, &sc->stat_CatchupInRuleCheckerP4Hit, 0, "Received packets rule checker hits in Catchup path"); #ifdef BCE_DEBUG SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "driver_state", CTLTYPE_INT | CTLFLAG_RW, (void *)sc, 0, bce_sysctl_driver_state, "I", "Drive state information"); SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "hw_state", CTLTYPE_INT | CTLFLAG_RW, (void *)sc, 0, bce_sysctl_hw_state, "I", "Hardware state information"); SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "dump_rx_chain", CTLTYPE_INT | CTLFLAG_RW, (void *)sc, 0, bce_sysctl_dump_rx_chain, "I", "Dump rx_bd chain"); SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "breakpoint", CTLTYPE_INT | CTLFLAG_RW, (void *)sc, 0, bce_sysctl_breakpoint, "I", "Driver breakpoint"); #endif } /****************************************************************************/ /* BCE Debug Routines */ /****************************************************************************/ #ifdef BCE_DEBUG /****************************************************************************/ /* Prints out information about an mbuf. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_dump_mbuf(struct bce_softc *sc, struct mbuf *m) { u32 val_hi, val_lo; struct mbuf *mp = m; if (m == NULL) { /* Index out of range. */ printf("mbuf ptr is null!\n"); return; } while (mp) { val_hi = BCE_ADDR_HI(mp); val_lo = BCE_ADDR_LO(mp); BCE_PRINTF(sc, "mbuf: vaddr = 0x%08X:%08X, m_len = %d, m_flags = ", val_hi, val_lo, mp->m_len); if (mp->m_flags & M_EXT) printf("M_EXT "); if (mp->m_flags & M_PKTHDR) printf("M_PKTHDR "); printf("\n"); if (mp->m_flags & M_EXT) { val_hi = BCE_ADDR_HI(mp->m_ext.ext_buf); val_lo = BCE_ADDR_LO(mp->m_ext.ext_buf); BCE_PRINTF(sc, "- m_ext: vaddr = 0x%08X:%08X, ext_size = 0x%04X\n", val_hi, val_lo, mp->m_ext.ext_size); } mp = mp->m_next; } } /****************************************************************************/ /* Prints out the mbufs in the TX mbuf chain. */ /* */ /* Returns: */ /* Nothing. */ /****************************************************************************/ static void bce_dump_tx_mbuf_chain(struct bce_softc *sc, int chain_prod, int count) { struct mbuf *m; BCE_PRINTF(sc, "----------------------------" " tx mbuf data " "----------------------------\n"); for (int i = 0; i < count; i++) { m = sc->tx_mbuf_ptr[chain_prod]; BCE_PRINTF(sc, "txmbuf[%d]\n", chain_prod); bce_dump_mbuf(sc, m); chain_prod = TX_CHAIN_IDX(NEXT_TX_BD(chain_prod)); } BCE_PRINTF(sc, "----------------------------" "----------------" "----------------------------\n"); } /* * This routine prints the RX mbuf chain. */ static void bce_dump_rx_mbuf_chain(struct bce_softc *sc, int chain_prod, int count) { struct mbuf *m; BCE_PRINTF(sc, "----------------------------" " rx mbuf data " "----------------------------\n"); for (int i = 0; i < count; i++) { m = sc->rx_mbuf_ptr[chain_prod]; BCE_PRINTF(sc, "rxmbuf[0x%04X]\n", chain_prod); bce_dump_mbuf(sc, m); chain_prod = RX_CHAIN_IDX(NEXT_RX_BD(chain_prod)); } BCE_PRINTF(sc, "----------------------------" "----------------" "----------------------------\n"); } static void bce_dump_txbd(struct bce_softc *sc, int idx, struct tx_bd *txbd) { if (idx > MAX_TX_BD) /* Index out of range. */ BCE_PRINTF(sc, "tx_bd[0x%04X]: Invalid tx_bd index!\n", idx); else if ((idx & USABLE_TX_BD_PER_PAGE) == USABLE_TX_BD_PER_PAGE) /* TX Chain page pointer. */ BCE_PRINTF(sc, "tx_bd[0x%04X]: haddr = 0x%08X:%08X, chain page pointer\n", idx, txbd->tx_bd_haddr_hi, txbd->tx_bd_haddr_lo); else /* Normal tx_bd entry. */ BCE_PRINTF(sc, "tx_bd[0x%04X]: haddr = 0x%08X:%08X, nbytes = 0x%08X, " "vlan tag= 0x%4X, flags = 0x%04X\n", idx, txbd->tx_bd_haddr_hi, txbd->tx_bd_haddr_lo, txbd->tx_bd_mss_nbytes, txbd->tx_bd_vlan_tag, txbd->tx_bd_flags); } static void bce_dump_rxbd(struct bce_softc *sc, int idx, struct rx_bd *rxbd) { if (idx > MAX_RX_BD) /* Index out of range. */ BCE_PRINTF(sc, "rx_bd[0x%04X]: Invalid rx_bd index!\n", idx); else if ((idx & USABLE_RX_BD_PER_PAGE) == USABLE_RX_BD_PER_PAGE) /* TX Chain page pointer. */ BCE_PRINTF(sc, "rx_bd[0x%04X]: haddr = 0x%08X:%08X, chain page pointer\n", idx, rxbd->rx_bd_haddr_hi, rxbd->rx_bd_haddr_lo); else /* Normal tx_bd entry. */ BCE_PRINTF(sc, "rx_bd[0x%04X]: haddr = 0x%08X:%08X, nbytes = 0x%08X, " "flags = 0x%08X\n", idx, rxbd->rx_bd_haddr_hi, rxbd->rx_bd_haddr_lo, rxbd->rx_bd_len, rxbd->rx_bd_flags); } static void bce_dump_l2fhdr(struct bce_softc *sc, int idx, struct l2_fhdr *l2fhdr) { BCE_PRINTF(sc, "l2_fhdr[0x%04X]: status = 0x%08X, " "pkt_len = 0x%04X, vlan = 0x%04x, ip_xsum = 0x%04X, " "tcp_udp_xsum = 0x%04X\n", idx, l2fhdr->l2_fhdr_status, l2fhdr->l2_fhdr_pkt_len, l2fhdr->l2_fhdr_vlan_tag, l2fhdr->l2_fhdr_ip_xsum, l2fhdr->l2_fhdr_tcp_udp_xsum); } /* * This routine prints the TX chain. */ static void bce_dump_tx_chain(struct bce_softc *sc, int tx_prod, int count) { struct tx_bd *txbd; /* First some info about the tx_bd chain structure. */ BCE_PRINTF(sc, "----------------------------" " tx_bd chain " "----------------------------\n"); BCE_PRINTF(sc, "page size = 0x%08X, tx chain pages = 0x%08X\n", (u32) BCM_PAGE_SIZE, (u32) TX_PAGES); BCE_PRINTF(sc, "tx_bd per page = 0x%08X, usable tx_bd per page = 0x%08X\n", (u32) TOTAL_TX_BD_PER_PAGE, (u32) USABLE_TX_BD_PER_PAGE); BCE_PRINTF(sc, "total tx_bd = 0x%08X\n", (u32) TOTAL_TX_BD); BCE_PRINTF(sc, "" "-----------------------------" " tx_bd data " "-----------------------------\n"); /* Now print out the tx_bd's themselves. */ for (int i = 0; i < count; i++) { txbd = &sc->tx_bd_chain[TX_PAGE(tx_prod)][TX_IDX(tx_prod)]; bce_dump_txbd(sc, tx_prod, txbd); tx_prod = TX_CHAIN_IDX(NEXT_TX_BD(tx_prod)); } BCE_PRINTF(sc, "-----------------------------" "--------------" "-----------------------------\n"); } /* * This routine prints the RX chain. */ static void bce_dump_rx_chain(struct bce_softc *sc, int rx_prod, int count) { struct rx_bd *rxbd; /* First some info about the tx_bd chain structure. */ BCE_PRINTF(sc, "----------------------------" " rx_bd chain " "----------------------------\n"); BCE_PRINTF(sc, "----- RX_BD Chain -----\n"); BCE_PRINTF(sc, "page size = 0x%08X, rx chain pages = 0x%08X\n", (u32) BCM_PAGE_SIZE, (u32) RX_PAGES); BCE_PRINTF(sc, "rx_bd per page = 0x%08X, usable rx_bd per page = 0x%08X\n", (u32) TOTAL_RX_BD_PER_PAGE, (u32) USABLE_RX_BD_PER_PAGE); BCE_PRINTF(sc, "total rx_bd = 0x%08X\n", (u32) TOTAL_RX_BD); BCE_PRINTF(sc, "----------------------------" " rx_bd data " "----------------------------\n"); /* Now print out the rx_bd's themselves. */ for (int i = 0; i < count; i++) { rxbd = &sc->rx_bd_chain[RX_PAGE(rx_prod)][RX_IDX(rx_prod)]; bce_dump_rxbd(sc, rx_prod, rxbd); rx_prod = RX_CHAIN_IDX(NEXT_RX_BD(rx_prod)); } BCE_PRINTF(sc, "----------------------------" "--------------" "----------------------------\n"); } /* * This routine prints the status block. */ static void bce_dump_status_block(struct bce_softc *sc) { struct status_block *sblk; sblk = sc->status_block; BCE_PRINTF(sc, "----------------------------- Status Block " "-----------------------------\n"); BCE_PRINTF(sc, "attn_bits = 0x%08X, attn_bits_ack = 0x%08X, index = 0x%04X\n", sblk->status_attn_bits, sblk->status_attn_bits_ack, sblk->status_idx); BCE_PRINTF(sc, "rx_cons0 = 0x%08X, tx_cons0 = 0x%08X\n", sblk->status_rx_quick_consumer_index0, sblk->status_tx_quick_consumer_index0); BCE_PRINTF(sc, "status_idx = 0x%04X\n", sblk->status_idx); /* Theses indices are not used for normal L2 drivers. */ if (sblk->status_rx_quick_consumer_index1 || sblk->status_tx_quick_consumer_index1) BCE_PRINTF(sc, "rx_cons1 = 0x%08X, tx_cons1 = 0x%08X\n", sblk->status_rx_quick_consumer_index1, sblk->status_tx_quick_consumer_index1); if (sblk->status_rx_quick_consumer_index2 || sblk->status_tx_quick_consumer_index2) BCE_PRINTF(sc, "rx_cons2 = 0x%08X, tx_cons2 = 0x%08X\n", sblk->status_rx_quick_consumer_index2, sblk->status_tx_quick_consumer_index2); if (sblk->status_rx_quick_consumer_index3 || sblk->status_tx_quick_consumer_index3) BCE_PRINTF(sc, "rx_cons3 = 0x%08X, tx_cons3 = 0x%08X\n", sblk->status_rx_quick_consumer_index3, sblk->status_tx_quick_consumer_index3); if (sblk->status_rx_quick_consumer_index4 || sblk->status_rx_quick_consumer_index5) BCE_PRINTF(sc, "rx_cons4 = 0x%08X, rx_cons5 = 0x%08X\n", sblk->status_rx_quick_consumer_index4, sblk->status_rx_quick_consumer_index5); if (sblk->status_rx_quick_consumer_index6 || sblk->status_rx_quick_consumer_index7) BCE_PRINTF(sc, "rx_cons6 = 0x%08X, rx_cons7 = 0x%08X\n", sblk->status_rx_quick_consumer_index6, sblk->status_rx_quick_consumer_index7); if (sblk->status_rx_quick_consumer_index8 || sblk->status_rx_quick_consumer_index9) BCE_PRINTF(sc, "rx_cons8 = 0x%08X, rx_cons9 = 0x%08X\n", sblk->status_rx_quick_consumer_index8, sblk->status_rx_quick_consumer_index9); if (sblk->status_rx_quick_consumer_index10 || sblk->status_rx_quick_consumer_index11) BCE_PRINTF(sc, "rx_cons10 = 0x%08X, rx_cons11 = 0x%08X\n", sblk->status_rx_quick_consumer_index10, sblk->status_rx_quick_consumer_index11); if (sblk->status_rx_quick_consumer_index12 || sblk->status_rx_quick_consumer_index13) BCE_PRINTF(sc, "rx_cons12 = 0x%08X, rx_cons13 = 0x%08X\n", sblk->status_rx_quick_consumer_index12, sblk->status_rx_quick_consumer_index13); if (sblk->status_rx_quick_consumer_index14 || sblk->status_rx_quick_consumer_index15) BCE_PRINTF(sc, "rx_cons14 = 0x%08X, rx_cons15 = 0x%08X\n", sblk->status_rx_quick_consumer_index14, sblk->status_rx_quick_consumer_index15); if (sblk->status_completion_producer_index || sblk->status_cmd_consumer_index) BCE_PRINTF(sc, "com_prod = 0x%08X, cmd_cons = 0x%08X\n", sblk->status_completion_producer_index, sblk->status_cmd_consumer_index); BCE_PRINTF(sc, "-------------------------------------------" "-----------------------------\n"); } /* * This routine prints the statistics block. */ static void bce_dump_stats_block(struct bce_softc *sc) { struct statistics_block *sblk; sblk = sc->stats_block; BCE_PRINTF(sc, "" "-----------------------------" " Stats Block " "-----------------------------\n"); BCE_PRINTF(sc, "IfHcInOctets = 0x%08X:%08X, " "IfHcInBadOctets = 0x%08X:%08X\n", sblk->stat_IfHCInOctets_hi, sblk->stat_IfHCInOctets_lo, sblk->stat_IfHCInBadOctets_hi, sblk->stat_IfHCInBadOctets_lo); BCE_PRINTF(sc, "IfHcOutOctets = 0x%08X:%08X, " "IfHcOutBadOctets = 0x%08X:%08X\n", sblk->stat_IfHCOutOctets_hi, sblk->stat_IfHCOutOctets_lo, sblk->stat_IfHCOutBadOctets_hi, sblk->stat_IfHCOutBadOctets_lo); BCE_PRINTF(sc, "IfHcInUcastPkts = 0x%08X:%08X, " "IfHcInMulticastPkts = 0x%08X:%08X\n", sblk->stat_IfHCInUcastPkts_hi, sblk->stat_IfHCInUcastPkts_lo, sblk->stat_IfHCInMulticastPkts_hi, sblk->stat_IfHCInMulticastPkts_lo); BCE_PRINTF(sc, "IfHcInBroadcastPkts = 0x%08X:%08X, " "IfHcOutUcastPkts = 0x%08X:%08X\n", sblk->stat_IfHCInBroadcastPkts_hi, sblk->stat_IfHCInBroadcastPkts_lo, sblk->stat_IfHCOutUcastPkts_hi, sblk->stat_IfHCOutUcastPkts_lo); BCE_PRINTF(sc, "IfHcOutMulticastPkts = 0x%08X:%08X, IfHcOutBroadcastPkts = 0x%08X:%08X\n", sblk->stat_IfHCOutMulticastPkts_hi, sblk->stat_IfHCOutMulticastPkts_lo, sblk->stat_IfHCOutBroadcastPkts_hi, sblk->stat_IfHCOutBroadcastPkts_lo); if (sblk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors) BCE_PRINTF(sc, "0x%08X : " "emac_tx_stat_dot3statsinternalmactransmiterrors\n", sblk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors); if (sblk->stat_Dot3StatsCarrierSenseErrors) BCE_PRINTF(sc, "0x%08X : Dot3StatsCarrierSenseErrors\n", sblk->stat_Dot3StatsCarrierSenseErrors); if (sblk->stat_Dot3StatsFCSErrors) BCE_PRINTF(sc, "0x%08X : Dot3StatsFCSErrors\n", sblk->stat_Dot3StatsFCSErrors); if (sblk->stat_Dot3StatsAlignmentErrors) BCE_PRINTF(sc, "0x%08X : Dot3StatsAlignmentErrors\n", sblk->stat_Dot3StatsAlignmentErrors); if (sblk->stat_Dot3StatsSingleCollisionFrames) BCE_PRINTF(sc, "0x%08X : Dot3StatsSingleCollisionFrames\n", sblk->stat_Dot3StatsSingleCollisionFrames); if (sblk->stat_Dot3StatsMultipleCollisionFrames) BCE_PRINTF(sc, "0x%08X : Dot3StatsMultipleCollisionFrames\n", sblk->stat_Dot3StatsMultipleCollisionFrames); if (sblk->stat_Dot3StatsDeferredTransmissions) BCE_PRINTF(sc, "0x%08X : Dot3StatsDeferredTransmissions\n", sblk->stat_Dot3StatsDeferredTransmissions); if (sblk->stat_Dot3StatsExcessiveCollisions) BCE_PRINTF(sc, "0x%08X : Dot3StatsExcessiveCollisions\n", sblk->stat_Dot3StatsExcessiveCollisions); if (sblk->stat_Dot3StatsLateCollisions) BCE_PRINTF(sc, "0x%08X : Dot3StatsLateCollisions\n", sblk->stat_Dot3StatsLateCollisions); if (sblk->stat_EtherStatsCollisions) BCE_PRINTF(sc, "0x%08X : EtherStatsCollisions\n", sblk->stat_EtherStatsCollisions); if (sblk->stat_EtherStatsFragments) BCE_PRINTF(sc, "0x%08X : EtherStatsFragments\n", sblk->stat_EtherStatsFragments); if (sblk->stat_EtherStatsJabbers) BCE_PRINTF(sc, "0x%08X : EtherStatsJabbers\n", sblk->stat_EtherStatsJabbers); if (sblk->stat_EtherStatsUndersizePkts) BCE_PRINTF(sc, "0x%08X : EtherStatsUndersizePkts\n", sblk->stat_EtherStatsUndersizePkts); if (sblk->stat_EtherStatsOverrsizePkts) BCE_PRINTF(sc, "0x%08X : EtherStatsOverrsizePkts\n", sblk->stat_EtherStatsOverrsizePkts); if (sblk->stat_EtherStatsPktsRx64Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsRx64Octets\n", sblk->stat_EtherStatsPktsRx64Octets); if (sblk->stat_EtherStatsPktsRx65Octetsto127Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsRx65Octetsto127Octets\n", sblk->stat_EtherStatsPktsRx65Octetsto127Octets); if (sblk->stat_EtherStatsPktsRx128Octetsto255Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsRx128Octetsto255Octets\n", sblk->stat_EtherStatsPktsRx128Octetsto255Octets); if (sblk->stat_EtherStatsPktsRx256Octetsto511Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsRx256Octetsto511Octets\n", sblk->stat_EtherStatsPktsRx256Octetsto511Octets); if (sblk->stat_EtherStatsPktsRx512Octetsto1023Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsRx512Octetsto1023Octets\n", sblk->stat_EtherStatsPktsRx512Octetsto1023Octets); if (sblk->stat_EtherStatsPktsRx1024Octetsto1522Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsRx1024Octetsto1522Octets\n", sblk->stat_EtherStatsPktsRx1024Octetsto1522Octets); if (sblk->stat_EtherStatsPktsRx1523Octetsto9022Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsRx1523Octetsto9022Octets\n", sblk->stat_EtherStatsPktsRx1523Octetsto9022Octets); if (sblk->stat_EtherStatsPktsTx64Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsTx64Octets\n", sblk->stat_EtherStatsPktsTx64Octets); if (sblk->stat_EtherStatsPktsTx65Octetsto127Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsTx65Octetsto127Octets\n", sblk->stat_EtherStatsPktsTx65Octetsto127Octets); if (sblk->stat_EtherStatsPktsTx128Octetsto255Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsTx128Octetsto255Octets\n", sblk->stat_EtherStatsPktsTx128Octetsto255Octets); if (sblk->stat_EtherStatsPktsTx256Octetsto511Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsTx256Octetsto511Octets\n", sblk->stat_EtherStatsPktsTx256Octetsto511Octets); if (sblk->stat_EtherStatsPktsTx512Octetsto1023Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsTx512Octetsto1023Octets\n", sblk->stat_EtherStatsPktsTx512Octetsto1023Octets); if (sblk->stat_EtherStatsPktsTx1024Octetsto1522Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsTx1024Octetsto1522Octets\n", sblk->stat_EtherStatsPktsTx1024Octetsto1522Octets); if (sblk->stat_EtherStatsPktsTx1523Octetsto9022Octets) BCE_PRINTF(sc, "0x%08X : EtherStatsPktsTx1523Octetsto9022Octets\n", sblk->stat_EtherStatsPktsTx1523Octetsto9022Octets); if (sblk->stat_XonPauseFramesReceived) BCE_PRINTF(sc, "0x%08X : XonPauseFramesReceived\n", sblk->stat_XonPauseFramesReceived); if (sblk->stat_XoffPauseFramesReceived) BCE_PRINTF(sc, "0x%08X : XoffPauseFramesReceived\n", sblk->stat_XoffPauseFramesReceived); if (sblk->stat_OutXonSent) BCE_PRINTF(sc, "0x%08X : OutXonSent\n", sblk->stat_OutXonSent); if (sblk->stat_OutXoffSent) BCE_PRINTF(sc, "0x%08X : OutXoffSent\n", sblk->stat_OutXoffSent); if (sblk->stat_FlowControlDone) BCE_PRINTF(sc, "0x%08X : FlowControlDone\n", sblk->stat_FlowControlDone); if (sblk->stat_MacControlFramesReceived) BCE_PRINTF(sc, "0x%08X : MacControlFramesReceived\n", sblk->stat_MacControlFramesReceived); if (sblk->stat_XoffStateEntered) BCE_PRINTF(sc, "0x%08X : XoffStateEntered\n", sblk->stat_XoffStateEntered); if (sblk->stat_IfInFramesL2FilterDiscards) BCE_PRINTF(sc, "0x%08X : IfInFramesL2FilterDiscards\n", sblk->stat_IfInFramesL2FilterDiscards); if (sblk->stat_IfInRuleCheckerDiscards) BCE_PRINTF(sc, "0x%08X : IfInRuleCheckerDiscards\n", sblk->stat_IfInRuleCheckerDiscards); if (sblk->stat_IfInFTQDiscards) BCE_PRINTF(sc, "0x%08X : IfInFTQDiscards\n", sblk->stat_IfInFTQDiscards); if (sblk->stat_IfInMBUFDiscards) BCE_PRINTF(sc, "0x%08X : IfInMBUFDiscards\n", sblk->stat_IfInMBUFDiscards); if (sblk->stat_IfInRuleCheckerP4Hit) BCE_PRINTF(sc, "0x%08X : IfInRuleCheckerP4Hit\n", sblk->stat_IfInRuleCheckerP4Hit); if (sblk->stat_CatchupInRuleCheckerDiscards) BCE_PRINTF(sc, "0x%08X : CatchupInRuleCheckerDiscards\n", sblk->stat_CatchupInRuleCheckerDiscards); if (sblk->stat_CatchupInFTQDiscards) BCE_PRINTF(sc, "0x%08X : CatchupInFTQDiscards\n", sblk->stat_CatchupInFTQDiscards); if (sblk->stat_CatchupInMBUFDiscards) BCE_PRINTF(sc, "0x%08X : CatchupInMBUFDiscards\n", sblk->stat_CatchupInMBUFDiscards); if (sblk->stat_CatchupInRuleCheckerP4Hit) BCE_PRINTF(sc, "0x%08X : CatchupInRuleCheckerP4Hit\n", sblk->stat_CatchupInRuleCheckerP4Hit); BCE_PRINTF(sc, "-----------------------------" "--------------" "-----------------------------\n"); } static void bce_dump_driver_state(struct bce_softc *sc) { u32 val_hi, val_lo; BCE_PRINTF(sc, "-----------------------------" " Driver State " "-----------------------------\n"); val_hi = BCE_ADDR_HI(sc); val_lo = BCE_ADDR_LO(sc); BCE_PRINTF(sc, "0x%08X:%08X - (sc) driver softc structure virtual address\n", val_hi, val_lo); val_hi = BCE_ADDR_HI(sc->bce_vhandle); val_lo = BCE_ADDR_LO(sc->bce_vhandle); BCE_PRINTF(sc, "0x%08X:%08X - (sc->bce_vhandle) PCI BAR virtual address\n", val_hi, val_lo); val_hi = BCE_ADDR_HI(sc->status_block); val_lo = BCE_ADDR_LO(sc->status_block); BCE_PRINTF(sc, "0x%08X:%08X - (sc->status_block) status block virtual address\n", val_hi, val_lo); val_hi = BCE_ADDR_HI(sc->stats_block); val_lo = BCE_ADDR_LO(sc->stats_block); BCE_PRINTF(sc, "0x%08X:%08X - (sc->stats_block) statistics block virtual address\n", val_hi, val_lo); val_hi = BCE_ADDR_HI(sc->tx_bd_chain); val_lo = BCE_ADDR_LO(sc->tx_bd_chain); BCE_PRINTF(sc, "0x%08X:%08X - (sc->tx_bd_chain) tx_bd chain virtual adddress\n", val_hi, val_lo); val_hi = BCE_ADDR_HI(sc->rx_bd_chain); val_lo = BCE_ADDR_LO(sc->rx_bd_chain); BCE_PRINTF(sc, "0x%08X:%08X - (sc->rx_bd_chain) rx_bd chain virtual address\n", val_hi, val_lo); val_hi = BCE_ADDR_HI(sc->tx_mbuf_ptr); val_lo = BCE_ADDR_LO(sc->tx_mbuf_ptr); BCE_PRINTF(sc, "0x%08X:%08X - (sc->tx_mbuf_ptr) tx mbuf chain virtual address\n", val_hi, val_lo); val_hi = BCE_ADDR_HI(sc->rx_mbuf_ptr); val_lo = BCE_ADDR_LO(sc->rx_mbuf_ptr); BCE_PRINTF(sc, "0x%08X:%08X - (sc->rx_mbuf_ptr) rx mbuf chain virtual address\n", val_hi, val_lo); BCE_PRINTF(sc, " 0x%08X - (sc->interrupts_generated) h/w intrs\n", sc->interrupts_generated); BCE_PRINTF(sc, " 0x%08X - (sc->rx_interrupts) rx interrupts handled\n", sc->rx_interrupts); BCE_PRINTF(sc, " 0x%08X - (sc->tx_interrupts) tx interrupts handled\n", sc->tx_interrupts); BCE_PRINTF(sc, " 0x%08X - (sc->last_status_idx) status block index\n", sc->last_status_idx); BCE_PRINTF(sc, " 0x%08X - (sc->tx_prod) tx producer index\n", sc->tx_prod); BCE_PRINTF(sc, " 0x%08X - (sc->tx_cons) tx consumer index\n", sc->tx_cons); BCE_PRINTF(sc, " 0x%08X - (sc->tx_prod_bseq) tx producer bseq index\n", sc->tx_prod_bseq); BCE_PRINTF(sc, " 0x%08X - (sc->rx_prod) rx producer index\n", sc->rx_prod); BCE_PRINTF(sc, " 0x%08X - (sc->rx_cons) rx consumer index\n", sc->rx_cons); BCE_PRINTF(sc, " 0x%08X - (sc->rx_prod_bseq) rx producer bseq index\n", sc->rx_prod_bseq); BCE_PRINTF(sc, " 0x%08X - (sc->rx_mbuf_alloc) rx mbufs allocated\n", sc->rx_mbuf_alloc); BCE_PRINTF(sc, " 0x%08X - (sc->free_rx_bd) free rx_bd's\n", sc->free_rx_bd); BCE_PRINTF(sc, "0x%08X/%08X - (sc->rx_low_watermark) rx low watermark\n", sc->rx_low_watermark, (u32) USABLE_RX_BD); BCE_PRINTF(sc, " 0x%08X - (sc->txmbuf_alloc) tx mbufs allocated\n", sc->tx_mbuf_alloc); BCE_PRINTF(sc, " 0x%08X - (sc->rx_mbuf_alloc) rx mbufs allocated\n", sc->rx_mbuf_alloc); BCE_PRINTF(sc, " 0x%08X - (sc->used_tx_bd) used tx_bd's\n", sc->used_tx_bd); BCE_PRINTF(sc, "0x%08X/%08X - (sc->tx_hi_watermark) tx hi watermark\n", sc->tx_hi_watermark, (u32) USABLE_TX_BD); BCE_PRINTF(sc, " 0x%08X - (sc->mbuf_alloc_failed) failed mbuf alloc\n", sc->mbuf_alloc_failed); BCE_PRINTF(sc, "-----------------------------" "--------------" "-----------------------------\n"); } static void bce_dump_hw_state(struct bce_softc *sc) { u32 val1; BCE_PRINTF(sc, "----------------------------" " Hardware State " "----------------------------\n"); BCE_PRINTF(sc, "0x%08X : bootcode version\n", sc->bce_fw_ver); val1 = REG_RD(sc, BCE_MISC_ENABLE_STATUS_BITS); BCE_PRINTF(sc, "0x%08X : (0x%04X) misc_enable_status_bits\n", val1, BCE_MISC_ENABLE_STATUS_BITS); val1 = REG_RD(sc, BCE_DMA_STATUS); BCE_PRINTF(sc, "0x%08X : (0x%04X) dma_status\n", val1, BCE_DMA_STATUS); val1 = REG_RD(sc, BCE_CTX_STATUS); BCE_PRINTF(sc, "0x%08X : (0x%04X) ctx_status\n", val1, BCE_CTX_STATUS); val1 = REG_RD(sc, BCE_EMAC_STATUS); BCE_PRINTF(sc, "0x%08X : (0x%04X) emac_status\n", val1, BCE_EMAC_STATUS); val1 = REG_RD(sc, BCE_RPM_STATUS); BCE_PRINTF(sc, "0x%08X : (0x%04X) rpm_status\n", val1, BCE_RPM_STATUS); val1 = REG_RD(sc, BCE_TBDR_STATUS); BCE_PRINTF(sc, "0x%08X : (0x%04X) tbdr_status\n", val1, BCE_TBDR_STATUS); val1 = REG_RD(sc, BCE_TDMA_STATUS); BCE_PRINTF(sc, "0x%08X : (0x%04X) tdma_status\n", val1, BCE_TDMA_STATUS); val1 = REG_RD(sc, BCE_HC_STATUS); BCE_PRINTF(sc, "0x%08X : (0x%04X) hc_status\n", val1, BCE_HC_STATUS); BCE_PRINTF(sc, "----------------------------" "----------------" "----------------------------\n"); BCE_PRINTF(sc, "----------------------------" " Register Dump " "----------------------------\n"); for (int i = 0x400; i < 0x8000; i += 0x10) BCE_PRINTF(sc, "0x%04X: 0x%08X 0x%08X 0x%08X 0x%08X\n", i, REG_RD(sc, i), REG_RD(sc, i + 0x4), REG_RD(sc, i + 0x8), REG_RD(sc, i + 0xC)); BCE_PRINTF(sc, "----------------------------" "----------------" "----------------------------\n"); } static void bce_breakpoint(struct bce_softc *sc) { /* Unreachable code to shut the compiler up about unused functions. */ if (0) { bce_dump_txbd(sc, 0, NULL); bce_dump_rxbd(sc, 0, NULL); bce_dump_tx_mbuf_chain(sc, 0, USABLE_TX_BD); bce_dump_rx_mbuf_chain(sc, 0, USABLE_RX_BD); bce_dump_l2fhdr(sc, 0, NULL); bce_dump_tx_chain(sc, 0, USABLE_TX_BD); bce_dump_rx_chain(sc, 0, USABLE_RX_BD); bce_dump_status_block(sc); bce_dump_stats_block(sc); bce_dump_driver_state(sc); bce_dump_hw_state(sc); } bce_dump_driver_state(sc); /* Print the important status block fields. */ bce_dump_status_block(sc); /* Call the debugger. */ breakpoint(); return; } #endif