314 lines
11 KiB
Groff
314 lines
11 KiB
Groff
.\" Copyright (c) 2006 Broadcom Corporation
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.\" David Christensen <davidch@broadcom.com>. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\"
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of Broadcom Corporation nor the name of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written consent.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
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.\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd June 24, 2007
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.Dt BCE 4
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.Os
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.Sh NAME
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.Nm bce
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.Nd "Broadcom NetXtreme II (BCM5706/BCM5708) PCI/PCIe Gigabit Ethernet adapter driver"
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device miibus"
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.Cd "device bce"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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if_bce_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver supports Broadcom's NetXtreme II product family, including the
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BCM5706 and BCM5708 Ethernet controllers.
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.Pp
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The NetXtreme II product family is composed of various Converged NIC (or CNIC)
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Ethernet controllers which support a TCP Offload Engine (TOE), Remote DMA (RDMA),
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and iSCSI acceleration, in addition to standard L2 Ethernet traffic, all on the
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same controller.
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The following features are supported in the
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.Nm
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driver under
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.Fx :
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.Pp
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.Bl -item -offset indent -compact
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.It
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IP/TCP/UDP checksum offload
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.It
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Jumbo frames (up to 9022 bytes)
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.It
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VLAN tag stripping
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.It
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Interrupt coalescing
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.It
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10/100/1000Mbps operation in full-duplex mode
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.It
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10/100Mbps operation in half-duplex mode
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.El
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.Pp
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The
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.Nm
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driver supports the following media types:
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.Bl -tag -width ".Cm 10baseT/UTP"
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.It Cm autoselect
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Enable autoselection of the media type and options.
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The user can manually override
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the autoselected mode by adding media options to
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.Xr rc.conf 5 .
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.It Cm 10baseT/UTP
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Set 10Mbps operation.
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The
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.Xr ifconfig 8
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.Cm mediaopt
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option can also be used to select either
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.Cm full-duplex
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or
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.Cm half-duplex
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modes.
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.It Cm 100baseTX
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Set 100Mbps (Fast Ethernet) operation.
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The
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.Xr ifconfig 8
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.Cm mediaopt
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option can also be used to select either
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.Cm full-duplex
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or
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.Cm half-duplex
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modes.
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.It Cm 1000baseTX
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Set 1000baseTX operation over twisted pair.
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Only
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.Cm full-duplex
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mode is supported.
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.El
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.Pp
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The
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.Nm
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driver supports the following media options:
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.Bl -tag -width ".Cm full-duplex"
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.It Cm full-duplex
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Force full duplex operation.
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.It Cm half-duplex
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Force half duplex operation.
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.El
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.Pp
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For more information on configuring this device, see
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.Xr ifconfig 8 .
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.Sh HARDWARE
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The
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.Nm
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driver provides support for various NICs based on the Broadcom NetXtreme II
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family of Gigabit Ethernet controllers, including the
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following:
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.Pp
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.Bl -bullet -compact
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.It
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HP NC370T Multifunction Gigabit Server Adapter
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.It
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HP NC370i Multifunction Gigabit Server Adapter
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.El
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.Sh SYSCTL VARIABLES
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The following variables are available as both
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.Xr sysctl 8
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variables and
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.Xr loader 8
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tunables:
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.Bl -tag -width indent
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.It Va hw.bce.msi_enable
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Whether or not MSI support is enabled in the driver.
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The default value is 1.
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.El
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "bce%d: PCI memory allocation failed!"
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The driver has encountered a fatal initialization error.
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.It "bce%d: PCI map interrupt failed!"
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The driver has encountered a fatal initialization error.
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.It "bce%d: Unsupported controller revision (%c%d)"
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The driver does not support the controller revision in use.
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.It "bce%d: Controller initialization failed!"
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The driver has encountered a fatal initialization error.
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.It "bce%d: NVRAM test failed!"
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The driver could not access the controller NVRAM correctly.
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.It "bce%d: DMA resource allocation failed!"
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The driver could not allocate DMA memory to setup the controllers
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host memory data structures.
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.It "bce%d: Interface allocation failed!"
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The driver could not create a network interface for the controller.
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.It "bce%d: PHY probe failed!"
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The driver could not access the PHY used by the controller.
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.It "bce%d: Failed to setup IRQ!"
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The driver could not initialize the IRQ handler.
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.It "bce%d: Error: PHY read timeout!"
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The driver could not read a PHY register before the timeout period expired.
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.It "bce%d: PHY write timeout!"
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The driver could not write to the PHY register because a timeout occurred.
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.It "bce%d: Timeout error reading NVRAM at offset 0x%08X!"
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The driver could not write to NVRAM because a timeout occurred.
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.It "bce%d: Unknown Flash NVRAM found!"
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The driver does not recognize the NVRAM device being used and therefore
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cannot access it correctly.
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.It "bce%d: Invalid NVRAM magic value!"
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The driver cannot read NVRAM or the NVRAM is corrupt.
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.It "bce%d: Invalid Manufacturing Information NVRAM CRC!"
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The driver cannot read NVRAM or the NVRAM is corrupt.
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.It "bce%d: Invalid Feature Configuration Information NVRAM CRC!"
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The driver cannot read NVRAM or the NVRAM is corrupt.
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.It "bce%d: DMA mapping error!"
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The driver was unable to map memory into DMA addressable space required
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by the controller.
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.It "bce%d: Could not allocate parent DMA tag!"
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The driver could not allocate a PCI compatible DMA tag.
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.It "bce%d: Could not allocate status block DMA tag!"
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The driver could not allocate a DMA tag for the controller's
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status block.
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.It "bce%d: Could not allocate status block DMA memory!"
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The driver could not allocate DMA addressable memory for the controller's
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status block.
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.It "bce_d: Could not map status block DMA memory!"
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The driver could not map the status block memory into the controller's DMA
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address space.
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.It "bce%d: Could not allocate statistics block DMA tag!"
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The driver could not allocate a DMA tag for the controller's
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statistics block.
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.It "bce%d: Could not allocate statistics block DMA memory!"
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The driver could not allocate DMA addressable memory for the controller's
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statistics block.
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.It "bce%d: Could not map statistics block DMA memory!"
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The driver could not map the statistics block memory into the controller's DMA
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address space.
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.It "bce%d: Could not allocate TX descriptor chain DMA tag!"
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The driver could not allocate a DMA tag for the controller's
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TX chain.
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.It "bce%d: Could not allocate TX descriptor chain DMA memory!
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The driver could not allocate DMA addressable memory for the controller's
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TX chain.
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.It "bce%d: Could not map TX descriptor chain DMA memory!"
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The driver could not map the TX descriptor chain memory into the controller's DMA
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address space.
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.It "bce%d: Could not allocate TX mbuf DMA tag!"
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The driver could not allocate a DMA tag for the controller's
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TX mbuf memory.
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.It "bce%d: Unable to create TX mbuf DMA map!"
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The driver could not map the TX mbuf memory into the controller's DMA
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address space.
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.It "bce%d: Could not allocate RX descriptor chain DMA tag!"
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The driver could not allocate a DMA tag for the controller's
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RX chain.
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.It "bce%d: Could not allocate RX descriptor chain "
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The driver could not allocate DMA addressable memory for the controller's
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RX chain.
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.It "bce%d: Could not map RX descriptor chain DMA memory!"
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The driver could not map the RX descriptor chain memory into the controller's DMA
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address space.
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.It "bce%d: Could not allocate RX mbuf DMA tag!"
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The driver could not allocate a DMA tag for the controller's
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RX mbuf memory.
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.It "bce%d: Unable to create RX mbuf DMA map!"
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The driver could not map the RX mbuf memory into the controller's DMA
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address space.
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.It "bce%d: Firmware synchronization timeout!"
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The driver was not able to synchronize with the firmware running on the
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controller.
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The firmware may be stopped or hung.
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.It "bce%d: Invalid Ethernet address!"
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The driver was not able to read a valid Ethernet MAC address from NVRAM.
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.It "bce%d: Reset failed!"
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The driver has encountered a fatal initialization error.
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.It "bce%d: Byte swap is incorrect!"
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The driver has encountered a fatal initialization error.
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Contact the author
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with details of the CPU architecture and system chipset in use.
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.It "bce%d: Firmware did not complete initialization!"
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The driver has encountered a fatal initialization error.
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.It "bce%d: Bootcode not running!"
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The driver has encountered a fatal initialization error.
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.It "bce%d: Error mapping mbuf into RX chain!"
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The driver could not map a RX mbuf into DMA addressable memory.
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.It "bce%d: Error filling RX chain: rx_bd[0x%04X]!"
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The driver was unable to allocate enough mbufs to fill the RX chain
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during initialization.
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Try increasing the number of mbufs available in
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the system, increase system memory, or if using jumbo frames, make sure
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enough 9KB mbufs are available.
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.It "bce%d: Failed to allocate new mbuf, incoming frame dropped!"
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The driver was unable to allocate a new mbuf for the RX chain and reused
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the mbuf for the received frame, dropping the incoming frame in the process.
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Try increasing the number of mbufs available in the system or increase system
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memory.
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.It "bce%d: Controller reset failed!"
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A fatal initialization error has occurred.
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.It "bce%d: Controller initialization failed!"
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A fatal initialization error has occurred.
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.It "bce%d: Block initialization failed!"
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A fatal initialization error has occurred.
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.It "bce%d: Error mapping mbuf into TX chain!"
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The driver could not map a TX mbuf into DMA addressable memory.
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.It "bce%d: Error registering poll function!"
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The driver received an error while attempting to register the poll function.
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.It "bce%d: Changing VLAN_MTU not supported."
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Changing the VLAN MTU is not currently supported by the driver.
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.It "bce%d: Cannot change VLAN_HWTAGGING while management firmware (ASF/IPMI/UMP) is running!"
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Management firmware to support ASF/IPMI/UMP requires that VLAN
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tag stripping be enabled in the controller.
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.It "bce%d: Changing VLAN_HWTAGGING not supported!"
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Disabling VLAN tag stripping is not currently supported by the driver.
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.It "bce%d: Watchdog timeout occurred, resetting!"
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The device has stopped responding to the network, there is a problem
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with the cable connection, or a driver logic problem has occurred..
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.It "bce%d: Fatal attention detected: 0x%08X!"
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A controller hardware failure has occurred.
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If the problem continues replace the controller.
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.El
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.Sh SEE ALSO
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.Xr altq 4 ,
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.Xr arp 4 ,
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.Xr miibus 4 ,
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.Xr netintro 4 ,
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.Xr ng_ether 4 ,
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.Xr vlan 4 ,
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.Xr ifconfig 8
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.Sh HISTORY
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The
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.Nm
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device driver first appeared in
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.Fx 6.1 .
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.Sh AUTHORS
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The
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.Nm
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driver was written by
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.An David Christensen Aq davidch@broadcom.com .
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