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freebsd/sys/boot/forth/loader.conf
Pyun YongHyeon 3c6e15bcee Add ale(4), a driver for Atheros AR8121/AR8113/AR8114 PCIe ethernet 
controller. The controller is also known as L1E(AR8121) and
L2E(AR8113/AR8114). Unlike its predecessor Attansic L1,
AR8121/AR8113/AR8114 uses completely different Rx logic such that
it requires separate driver. Datasheet for AR81xx is not available
to open source driver writers but it shares large part of Tx and
PHY logic of L1. I still don't understand some part of register
meaning and some MAC statistics counters but the driver seems to
have no critical issues for performance and stability.

The AR81xx requires copy operation to pass received frames to upper
stack such that ale(4) consumes a lot of CPU cycles than that of
other controller. A couple of silicon bugs also adds more CPU
cycles to address the known hardware bug. However, if you have fast
CPU you can still saturate the link.
Currently ale(4) supports the following hardware features.
  - MSI.
  - TCP Segmentation offload.
  - Hardware VLAN tag insertion/stripping with checksum offload.
  - Tx TCP/UDP checksum offload and Rx IP/TCP/UDP checksum offload.
  - Tx/Rx interrupt moderation.
  - Hardware statistics counters.
  - Jumbo frame.
  - WOL.

AR81xx PCIe ethernet controllers are mainly found on ASUS EeePC or
P5Q series of ASUS motherboards. Special thanks to Jeremy Chadwick
who sent the hardware to me. Without his donation writing a driver
for AR81xx would never have been possible. Big thanks to all people
who reported feedback or tested patches.

HW donated by:	koitsu
Tested by:	bsam, Joao Barros <joao.barros <> gmail DOT com >
		Jan Henrik Sylvester <me <> janh DOT de >
		Ivan Brawley < ivan <> brawley DOT id DOT au >,
		CURRENT ML
2008-11-12 09:52:06 +00:00

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# This is loader.conf - a file full of useful variables that you can
# set to change the default load behavior of your system. You should
# not edit this file! Put any overrides into one of the
# loader_conf_files instead and you will be able to update these
# defaults later without spamming your local configuration information.
#
# All arguments must be in double quotes.
#
# $FreeBSD$
##############################################################
### Basic configuration options ############################
##############################################################
exec=".( Loading /boot/defaults/loader.conf ) cr"
kernel="kernel" # /boot sub-directory containing kernel and modules
bootfile="kernel" # Kernel name (possibly absolute path)
kernel_options="" # Flags to be passed to the kernel
loader_conf_files="/boot/device.hints /boot/loader.conf /boot/loader.conf.local"
nextboot_conf="/boot/nextboot.conf"
nextboot_enable="NO"
verbose_loading="NO" # Set to YES for verbose loader output
##############################################################
### Splash screen configuration ############################
##############################################################
splash_bmp_load="NO" # Set this to YES for bmp splash screen!
splash_pcx_load="NO" # Set this to YES for pcx splash screen!
vesa_load="NO" # Set this to YES to load the vesa module
bitmap_load="NO" # Set this to YES if you want splash screen!
bitmap_name="splash.bmp" # Set this to the name of the bmp or pcx file
bitmap_type="splash_image_data" # and place it on the module_path
##############################################################
### Loader settings ########################################
##############################################################
#autoboot_delay="10" # Delay in seconds before autobooting,
# set to -1 if you don't want user to be
# allowed to interrupt autoboot process and
# escape to the loader prompt, set to
# "NO" to disable autobooting
#beastie_disable="NO" # Turn the beastie boot menu on and off
#loader_logo="fbsdbw" # Desired logo: fbsdbw, beastiebw, beastie, none
#comconsole_speed="9600" # Set the current serial console speed
#console="vidconsole" # A comma separated list of console(s)
#currdev="disk1s1a" # Set the current device
module_path="/boot/modules" # Set the module search path
#prompt="\\${interpret}" # Set the command prompt
#root_disk_unit="0" # Force the root disk unit number
#rootdev="disk1s1a" # Set the root filesystem
##############################################################
### Kernel settings ########################################
##############################################################
# The following boot_ variables are enabled by setting them to any value.
# Their presence in the kernel environment (see kenv(1)) has the same
# effect as setting the given boot flag (see boot(8)).
#boot_askname="" # -a: Prompt the user for the name of the root device
#boot_cdrom="" # -C: Attempt to mount root file system from CD-ROM
#boot_ddb="" # -d: Instructs the kernel to start in the DDB debugger
#boot_dfltroot="" # -r: Use the statically configured root file system
#boot_gdb="" # -g: Selects gdb-remote mode for the kernel debugger
#boot_multicons="" # -D: Use multiple consoles
#boot_mute="" # -m: Mute the console
#boot_pause="" # -p: Pause after each line during device probing
#boot_serial="" # -h: Use serial console
#boot_single="" # -s: Start system in single-user mode
#boot_verbose="" # -v: Causes extra debugging information to be printed
#init_path="/sbin/init:/sbin/oinit:/sbin/init.bak:/rescue/init:/stand/sysinstall"
# Sets the list of init candidates
#init_shell="/bin/sh" # The shell binary used by init(8).
#init_script="" # Initial script to run by init(8) before chrooting.
#init_chroot="" # Directory for init(8) to chroot into.
##############################################################
### Kernel tunables ########################################
##############################################################
#hw.physmem="1G" # Limit physical memory. See loader(8)
#kern.dfldsiz="" # Set the initial data size limit
#kern.dflssiz="" # Set the initial stack size limit
#kern.hz="100" # Set the kernel interval timer rate
#kern.maxbcache="" # Set the max buffer cache KVA storage
#kern.maxdsiz="" # Set the max data size
#kern.maxfiles="" # Set the sys. wide open files limit
#kern.maxproc="" # Set the maximum # of processes
#kern.maxssiz="" # Set the max stack size
#kern.maxswzone="" # Set the max swmeta KVA storage
#kern.maxtsiz="" # Set the max text size
#kern.maxusers="32" # Set size of various static tables
#kern.nbuf="" # Set the number of buffer headers
#kern.ncallout="" # Set the maximum # of timer events
#kern.sgrowsiz="" # Set the amount to grow stack
#kern.cam.scsi_delay="2000" # Delay (in ms) before probing SCSI
#kern.ipc.maxsockets="" # Set the maximum number of sockets avaliable
#kern.ipc.nmbclusters="" # Set the number of mbuf clusters
#kern.ipc.nmbufs="" # Set the maximum number of mbufs
#kern.ipc.nsfbufs="" # Set the number of sendfile(2) bufs
#net.inet.tcp.tcbhashsize="" # Set the value of TCBHASHSIZE
#vfs.root.mountfrom="" # Specify root partition in a way the
# kernel understands
#vm.kmem_size="" # Sets the size of kernel memory (bytes)
#debug.ktr.cpumask="0xf" # Bitmask of CPUs to enable KTR on
#debug.ktr.mask="0x1200" # Bitmask of KTR events to enable
#debug.ktr.verbose="1" # Enable console dump of KTR events
#net.graph.maxalloc="128" # Maximum number of queue items to allocate
##############################################################
### Filesystem and related modules #########################
##############################################################
# Filesystems
cd9660_load="NO" # ISO 9660 filesystem
coda_load="NO" # CODA filesystem
fdescfs_load="NO" # Filedescriptors filesystem
linprocfs_load="NO" # Linux compatibility process filesystem
linsysfs_load="NO" # Linux compatibility system filesystem
msdosfs_load="NO" # FAT-12/16/32
nfsclient_load="NO" # NFS client
nfsserver_load="NO" # NFS server
ntfs_load="NO" # NTFS
nullfs_load="NO" # Null filesystem
portalfs_load="NO" # Portal filesystem
procfs_load="NO" # Process filesystem
reiserfs_load="NO" # ReiserFS
unionfs_load="NO" # Union filesystem
xfs_load="NO" # XFS
zfs_load="NO" # ZFS
# Related stuff
geom_bde_load="NO" # Disk encryption driver (see gbde(4,8))
geom_ccd_load="NO" # Concatenated disk driver (see ccd(4),
# ccdconfig(8))
geom_concat_load="NO" # Concatenated disk driver (see gconcat(8))
geom_eli_load="NO" # Disk encryption driver (see geli(8))
geom_gate_load="NO" # Userland disk driver (see geom_gate(4),
# ggatec(8), ggated(8), ggatel(8))
geom_journal_load="NO" # Journaled filesystem driver (see gjournal(8))
geom_label_load="NO" # File system labels (see glabel(8))
geom_md_load="NO" # Memory disk driver (vnode/swap/malloc) (see
# md(4), mdconfig(8))
geom_mirror_load="NO" # RAID1 disk driver (see gmirror(8))
geom_nop_load="NO" # Transparent disk driver (see gnop(8))
geom_raid3_load="NO" # RAID3 disk driver (see graid3(8))
geom_shsec_load="NO" # Shared secret disk driver (see gshsec(8))
geom_stripe_load="NO" # RAID0 disk driver (see gstripe(8))
geom_uzip_load="NO" # Compressed disk images driver (see mkuzip(8))
geom_vinum_load="NO" # Concatenated/mirror/raid driver (see vinum(4))
##############################################################
### Screen saver modules ###################################
##############################################################
# This is best done in rc.conf
screensave_load="NO" # Set to YES to load a screensaver module
screensave_name="green_saver" # Set to the name of the screensaver module
##############################################################
### Emulation modules ######################################
##############################################################
ibcs2_load="NO" # IBCS2 (SCO) emulation
ibcs2_coff_load="NO"
linux_load="NO" # Linux emulation
svr4_load="NO" # SystemV R4 emulation
streams_load="NO" # System V streams module
##############################################################
### Networking modules #####################################
##############################################################
if_disc_load="NO" # Discard device
if_ef_load="NO" # pseudo-device providing support for multiple
# ethernet frame types
if_faith_load="NO" # IPv6-to-IPv4 TCP relay capturing interface
if_gif_load="NO" # generic tunnel interface
if_gre_load="NO" # encapsulating network device
if_ppp_load="NO" # Kernel ppp
if_sl_load="NO" # SLIP
if_stf_load="NO" # 6to4 tunnel interface
if_tap_load="NO" # Ethernet tunnel software network interface
if_tun_load="NO" # Tunnel driver (user process ppp)
if_vlan_load="NO" # IEEE 802.1Q VLAN network interface
ipfw_load="NO" # Firewall
pf_load="NO" # packet filter
##############################################################
### Networking drivers #####################################
##############################################################
miibus_load="NO" # miibus support, needed for some drivers
if_ae_load="NO" # Attansic/Atheros L2 FastEthernet
if_age_load="NO" # Attansic/Atheros L1 Gigabit Ethernet
if_ale_load="NO" # Atheros AR8121/AR8113/AR8114 Ethernet
if_an_load="NO" # Aironet 4500/4800 802.11 wireless NICs
if_ar_load="NO" # Digi SYNC/570i
if_ath_load="NO" # Atheros IEEE 802.11 wireless NICs
if_aue_load="NO" # ADMtek AN986 Pegasus USB Ethernet
if_awi_load="NO" # AMD PCnetMobile IEEE 802.11 wireless NICs
if_axe_load="NO" # ASIX Electronics AX88172 USB Ethernet
if_bce_load="NO" # Broadcom NetXtreme II Gigabit Ethernet
if_bfe_load="NO" # Broadcom BCM4401
if_bge_load="NO" # Broadcom BCM570x PCI Gigabit Ethernet
if_cm_load="NO" # SMC (90c26, 90c56, 90c66)
if_cs_load="NO" # Crystal Semiconductor CS8920
if_cue_load="NO" # CATC USB-EL1210A USB Ethernet
if_dc_load="NO" # DEC/Intel 21143 and various workalikes
if_de_load="NO" # DEC DC21x4x Ethernet
if_ed_load="NO" # National Semiconductor DS8390/WD83C690
# Ethernet
if_em_load="NO" # Intel(R) PRO/1000 Gigabit Ethernet
if_en_load="NO" # Midway-based ATM interfaces
if_ep_load="NO" # 3Com Etherlink III (3c5x9)
if_ex_load="NO" # Intel EtherExpress Pro/10 Ethernet
if_fe_load="NO" # Fujitsu MB86960A/MB86965A based Ethernet
# adapters
if_fxp_load="NO" # Intel EtherExpress PRO/100B (82557, 82558)
if_gem_load="NO" # Sun GEM/Sun ERI/Apple GMAC
if_hme_load="NO" # Sun Microelectronics STP2002-STQ Ethernet
if_ie_load="NO" # Intel 82586
if_igb_load="NO" # Intel(R) PRO/1000 Gigabit Ethernet
if_ipw_load="NO" # Intel PRO/Wireless 2100 wireless
if_iwi_load="NO" # Intel PRO/Wireless 2200BG/2225BG/2915ABG
# wireless
if_ixgb_load="NO" # Intel PRO/10Gb Ethernet
if_ixgbe_load="NO" # Intel PRO/10Gb Ethernet PCI Express
if_jme_load="NO" # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
if_le_load="NO" # AMD Am7900 LANCE and Am79C9xx PCnet
if_lge_load="NO" # Level 1 LXT1001 NetCellerator PCI Gigabit
# Ethernet
if_malo_load="NO" # Marvell Libertas 88W8335 802.11 wireless
# adapter
if_msk_load="NO" # Marvell/SysKonnect Yukon II Gigabit Ethernet
if_mxge_load="NO" # Myricom Myri10GE 10Gb Ethernet
if_my_load="NO" # Myson PCI Fast Ethernet
if_nfe_load="NO" # NVIDIA nForce MCP Networking Adapter
if_nge_load="NO" # National Semiconductor PCI Gigabit Ethernet
if_nve_load="NO" # NVIDIA nForce MCP Networking Adapter
if_nxge_load="NO" # Neterion Xframe 10Gb Ethernet
if_pcn_load="NO" # AMD PCnet PCI
if_ral_load="NO" # Ralink Technology wireless
if_ray_load="NO" # Raytheon Raylink/Webgear Aviator PCCard
if_re_load="NO" # RealTek 8139C+/8169/8169S/8110S
if_rl_load="NO" # RealTek 8129/8139
if_rue_load="NO" # RealTek RTL8150 USB to Fast Ethernet
if_sbni_load="NO" # Granch SBNI12 leased line adapters
if_sf_load="NO" # Adaptec Duralink PCI (AIC-6915 "starfire")
if_sis_load="NO" # Silicon Integrated Systems SiS 900/7016
if_sk_load="NO" # SysKonnect SK-984x series PCI Gigabit Ethernet
if_sn_load="NO" # SMC 91Cxx
if_sr_load="NO" # synchronous RISCom/N2 / WANic 400/405
if_ste_load="NO" # Sundance Technologies ST201 Fast Ethernet
if_stge_load="NO" # Sundance/Tamarack TC9021 Gigabit Ethernet
if_ti_load="NO" # Alteon Networks Tigon 1 and Tigon 2
if_tl_load="NO" # Texas Instruments TNETE100 ("ThunderLAN")
if_tx_load="NO" # SMC 83c17x Fast Ethernet
if_txp_load="NO" # 3Com 3XP Typhoon/Sidewinder (3CR990)
if_vge_load="NO" # VIA VT6122 PCI Gigabit Ethernet
if_udav_load="NO" # Davicom DM9601 USB Ethernet
if_upgt_load="NO" # Conexant/Intersil PrismGT USB wireless
if_ural_load="NO" # Ralink Technology USB wireless
if_vr_load="NO" # VIA Rhine I and Rhine II
if_vx_load="NO" # 3Com 3C590 family
if_wb_load="NO" # Winbond W89C840F
if_wi_load="NO" # WaveLAN/IEEE 802.11 wireless NICs
if_wpi_load="NO" # Intel 3945ABG Wireless LAN IEEE 802.11
if_xe_load="NO" # Xircom CreditCard PCMCIA
if_xl_load="NO" # 3Com Etherlink XL (3c900, 3c905, 3c905B)
##############################################################
### Netgraph modules #######################################
##############################################################
ng_UI_load="NO" # UI netgraph node type
ng_async_load="NO" # asynchronous framing netgraph node type
ng_bpf_load="NO" # Berkeley packet filter netgraph node type
ng_bridge_load="NO" # Ethernet bridging netgraph node type
ng_cisco_load="NO" # Cisco HDLC protocol netgraph node type
ng_echo_load="NO" # Netgraph echo node type
ng_eiface_load="NO" # generic Ethernet interface netgraph node type
ng_etf_load="NO" # Ethertype filtering netgraph node type
ng_ether_load="NO" # Ethernet netgraph node type
ng_fec_load="NO" # netgraph Fast EtherChannel node
ng_frame_relay_load="NO" # frame relay netgraph node type
ng_gif_load="NO" # generic tunnel interface netgraph node type
ng_gif_demux_load="NO" # demultiplexer for packets from ng_gif(4) nodes
ng_hole_load="NO" # Netgraph discard node type
ng_hub_load="NO" # packet distribution netgraph node type
ng_iface_load="NO" # interface Netgraph node type
ng_ip_input_load="NO" # netgraph IP input node type
ng_ksocket_load="NO" # kernel socket netgraph node type
ng_l2tp_load="NO" # L2TP protocol netgraph node type
ng_lmi_load="NO" # frame relay LMI protocol netgraph node type
ng_mppc_load="NO" # Microsoft MPPC/MPPE compression and
# encryption netgraph node type
ng_netflow_load="NO" # Cisco's NetFlow netgraph node type
ng_one2many_load="NO" # packet multiplexing netgraph node type
ng_ppp_load="NO" # PPP protocol netgraph node type
ng_pppoe_load="NO" # RFC 2516 PPPOE protocol netgraph node type
ng_pptpgre_load="NO" # PPTP GRE protocol netgraph node type
ng_rfc1490_load="NO" # RFC 1490 netgraph node type
ng_socket_load="NO" # Netgraph socket node type
ng_split_load="NO" # netgraph node to separate incoming and
# outgoing flows
ng_sppp_load="NO" # sppp netgraph node type
ng_tee_load="NO" # Netgraph ``tee'' node type
ng_tty_load="NO" # Netgraph node type that is also a line
# discipline
ng_vjc_load="NO" # Van Jacobsen compression netgraph node type
ng_vlan_load="NO" # IEEE 802.1Q VLAN tagging netgraph node type
##############################################################
### Sound modules ##########################################
##############################################################
sound_load="NO" # Digital sound subsystem
snd_ad1816_load="NO" # ad1816
snd_als4000_load="NO" # als4000
snd_atiixp_load="NO" # atiixp
snd_cmi_load="NO" # cmi
snd_cs4281_load="NO" # cs4281
snd_csa_load="NO" # csa
snd_ds1_load="NO" # ds1
snd_emu10k1_load="NO" # Creative Sound Blaster Live
snd_emu10kx_load="NO" # Creative SoundBlaster Live! and Audigy
snd_envy24_load="NO" # VIA Envy24
snd_envy24ht_load="NO" # VIA Envy24HT
snd_es137x_load="NO" # es137x
snd_ess_load="NO" # ess
snd_fm801_load="NO" # fm801
snd_hda_load="NO" # Intel High Definition Audio (Controller)
snd_ich_load="NO" # Intel ICH
snd_maestro_load="NO" # Maestro
snd_maestro3_load="NO" # Maestro3
snd_mss_load="NO" # Mss
snd_neomagic_load="NO" # Neomagic
snd_sb16_load="NO" # Sound Blaster 16
snd_sb8_load="NO" # Sound Blaster Pro
snd_sbc_load="NO" # Sbc
snd_solo_load="NO" # Solo
snd_spicds_load="NO" # SPI codecs
snd_t4dwave_load="NO" # t4dwave
snd_via8233_load="NO" # via8233
snd_via82c686_load="NO" # via82c686
snd_vibes_load="NO" # vibes
snd_driver_load="NO" # All sound drivers
##############################################################
### USB modules ############################################
##############################################################
usb_load="NO" # USB subsystem
udbp_load="NO" # USB double bulk pipe host 2 host cables
ugen_load="NO" # USB generic device, if all else fails ...
ufm_load="NO" # Fm Radio
uhid_load="NO" # Human Interface Devices
ukbd_load="NO" # Keyboard
ulpt_load="NO" # Printer
ums_load="NO" # Mouse
umass_load="NO" # Mass Storage Devices
umodem_load="NO" # Modems
uscanner_load="NO" # Scanners
if_aue_load="NO" # ADMtek USB ethernet
if_axe_load="NO" # ASIX Electronics AX88172 USB ethernet
if_cue_load="NO" # CATC USB ethernet
if_kue_load="NO" # Kawasaki LSI USB ethernet
if_rum_load="NO" # Ralink USB 802.11 wireless adapter
if_ural_load="NO" # Ralink RT2500USB 802.11 wireless adapter
if_zyd_load="NO" # ZyDAS ZD1211(B) USB 802.11 wireless adapter
snd_uaudio_load="NO" # USB audio
##############################################################
### Other modules ##########################################
##############################################################
bktr_load="NO" # Brooktree Bt848/Bt878 TV/Video Capture Card
ispfw_load="NO" # Qlogic ISP Firmware
agp_load="NO" # agp module
accf_data_load="NO" # Wait for data accept filter
accf_dns_load="NO" # Wait for data accept filter
accf_http_load="NO" # Wait for full HTTP request accept filter
random_load="NO" # Random device
speaker_load="NO" # AT speaker module
coretemp_load="NO" # Intel Core CPU temperature monitor
k8temp_load="NO" # AMD K8 temperature monitor
##############################################################
### ACPI settings ##########################################
##############################################################
acpi_dsdt_load="NO" # DSDT Overriding
acpi_dsdt_type="acpi_dsdt" # Don't change this
acpi_dsdt_name="/boot/acpi_dsdt.aml"
# Override DSDT in BIOS by this file
acpi_video_load="NO" # Load the ACPI video extension driver
##############################################################
### TrustedBSD MAC settings ##################################
##############################################################
mac_biba_load="NO" # Biba MAC policy
mac_bsdextended_load="NO" # BSD/extended MAC policy
mac_ifoff="NO" # Interface silencing policy
mac_mls_load="NO" # MLS MAC policy
mac_none_load="NO" # Null MAC policy
mac_partition_load="NO" # Partition MAC policy
mac_seeotheruids_load="NO" # UID visbility MAC policy
##############################################################
### Module loading syntax example ##########################
##############################################################
#module_load="YES" # loads module "module"
#module_name="realname" # uses "realname" instead of "module"
#module_type="type" # passes "-t type" to load
#module_flags="flags" # passes "flags" to the module
#module_before="cmd" # executes "cmd" before loading the module
#module_after="cmd" # executes "cmd" after loading the module
#module_error="cmd" # executes "cmd" if load fails
##############################################################
### Always try to load ZFS pool cache file #################
##############################################################
zpool_cache_load="YES"
zpool_cache_type="/boot/zfs/zpool.cache"
zpool_cache_name="/boot/zfs/zpool.cache"
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