bd79708dbf
to add actions that run when a TCP frame is sent or received on a TCP session in the ESTABLISHED state. In the base tree, this functionality is only used for the h_ertt module, which is used by the cc_cdg, cc_chd, cc_hd, and cc_vegas congestion control modules. Presently, we incur overhead to check for hooks each time a TCP frame is sent or received on an ESTABLISHED TCP session. This change adds a new compile-time option (TCP_HHOOK) to determine whether to include the hhook(9) framework for TCP. To retain backwards compatibility, I added the TCP_HHOOK option to every configuration file that already defined "options INET". (Therefore, this patch introduces no functional change. In order to see a functional difference, you need to compile a custom kernel without the TCP_HHOOK option.) This change will allow users to easily exclude this functionality from their kernel, should they wish to do so. Note that any users who use a custom kernel configuration and use one of the congestion control modules listed above will need to add the TCP_HHOOK option to their kernel configuration. Reviewed by: rrs, lstewart, hiren (previous version), sjg (makefiles only) Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D8185
154 lines
5.2 KiB
Plaintext
154 lines
5.2 KiB
Plaintext
# Kernel configuration for the AT91RM9200 based Hot-e configuration file
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#
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# For more information on this file, please read the handbook section on
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# Kernel Configuration Files:
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#
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# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
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#
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# The handbook is also available locally in /usr/share/doc/handbook
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# if you've installed the doc distribution, otherwise always see the
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# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
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# latest information.
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#
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# An exhaustive list of options and more detailed explanations of the
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# device lines is also present in the ../../conf/NOTES and NOTES files.
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# If you are in doubt as to the purpose or necessity of a line, check first
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# in NOTES.
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#
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# $FreeBSD$
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#NO_UNIVERSE
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ident HL200
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include "std.arm"
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include "../at91/std.hl200"
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#To statically compile in device wiring instead of /boot/device.hints
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hints "KB920X.hints"
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makeoptions MODULES_OVERRIDE=""
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options SCHED_4BSD # 4BSD scheduler
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options INET # InterNETworking
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#options INET6 # IPv6 communications protocols
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options TCP_HHOOK # hhook(9) framework for TCP
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options FFS # Berkeley Fast Filesystem
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#options SOFTUPDATES # Enable FFS soft updates support
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#options UFS_ACL # Support for access control lists
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#options UFS_DIRHASH # Improve performance on big directories
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#options MD_ROOT # MD is a potential root device
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#options MD_ROOT_SIZE=4096 # 4MB ram disk
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options NFSCL # Network Filesystem Client
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#options NFSD # Network Filesystem Server
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#options NFSLOCKD # Network Lock Manager
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options NFS_ROOT # NFS usable as /, requires NFSCL
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options TMPFS # Efficient memory filesystem
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#options MSDOSFS # MSDOS Filesystem
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#options CD9660 # ISO 9660 Filesystem
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#options PROCFS # Process filesystem (requires PSEUDOFS)
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options PSEUDOFS # Pseudo-filesystem framework
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options GEOM_PART_BSD # BSD partition scheme
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options GEOM_PART_MBR # MBR partition scheme
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#options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
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#options KTRACE # ktrace(1) support
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options SYSVSHM # SYSV-style shared memory
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options SYSVMSG # SYSV-style message queues
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options SYSVSEM # SYSV-style semaphores
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options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
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options BOOTP
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options BOOTP_NFSROOT
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options BOOTP_COMPAT
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options BOOTP_NFSV3
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options BOOTP_WIRED_TO=ate0
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# alternatively, boot from a MMC/SD memory card
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#options ROOTDEVNAME=\"ufs:/dev/mmcsd0s1a\"
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# kernel/memory size reduction
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options MUTEX_NOINLINE
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options NO_FFS_SNAPSHOT
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options NO_SWAPPING
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#options NO_SYSCTL_DESCR
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options RWLOCK_NOINLINE
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# The `bpf' device enables the Berkeley Packet Filter.
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# Be aware of the administrative consequences of enabling this!
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# Note that 'bpf' is required for DHCP.
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device bpf # Berkeley packet filter
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# Ethernet
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device mii # Minimal MII support
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device ate # Atmel AT91 Ethernet driver
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device lxtphy
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# I2C
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device at91_twi # Atmel AT91 Two-wire Interface
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device iic # I2C generic I/O device driver
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device iicbus # I2C bus system
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device icee
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# MMC/SD
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device at91_mci # Atmel AT91 Multimedia Card Interface
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device mmc # MMC/SD bus
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device mmcsd # MMC/SD memory card
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# DataFlash
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device at91_spi # Atmel AT91 Serial Peripheral Interface
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device spibus # SPI bus
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# Pseudo devices.
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device loop # Network loopback
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device random # Entropy device
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device ether # Ethernet support
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device md # Memory "disks"
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# SCSI peripherals
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device scbus # SCSI bus (required for ATA/SCSI)
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device da # Direct Access (disks)
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device cd # CD
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device pass # Passthrough device (direct ATA/SCSI access)
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# Serial (COM) ports
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device uart # Multi-uart driver
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# USB support
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device ohci # OHCI USB interface
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device usb # USB Bus (required)
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#device udbp # USB Double Bulk Pipe devices
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device uhid # "Human Interface Devices"
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device ulpt # Printer
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device umass # Disks/Mass storage - Requires scbus and da
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device urio # Diamond Rio 500 MP3 player
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# USB Serial devices
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device uark # Technologies ARK3116 based serial adapters
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device ubsa # Belkin F5U103 and compatible serial adapters
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#device ubser # not yet converted.
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device uftdi # For FTDI usb serial adapters
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device uipaq # Some WinCE based devices
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device uplcom # Prolific PL-2303 serial adapters
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device uslcom # SI Labs CP2101/CP2102 serial adapters
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device uvisor # Visor and Palm devices
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device uvscom # USB serial support for DDI pocket's PHS
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# USB Ethernet, requires miibus
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device miibus
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device aue # ADMtek USB Ethernet
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device axe # ASIX Electronics USB Ethernet
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device cdce # Generic USB over Ethernet
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device cue # CATC USB Ethernet
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device kue # Kawasaki LSI USB Ethernet
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device rue # RealTek RTL8150 USB Ethernet
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device udav # Davicom DM9601E USB
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# USB Wireless
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device rum # Ralink Technology RT2501USB wireless NICs
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device uath # Atheros AR5523 wireless NICs
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device ural # Ralink Technology RT2500USB wireless NICs
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device zyd # ZyDAS zd1211/zd1211b wireless NICs
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# Wireless NIC cards
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device wlan # 802.11 support
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device wlan_wep # 802.11 WEP support
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device wlan_ccmp # 802.11 CCMP support
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device wlan_tkip # 802.11 TKIP support
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device wlan_amrr # AMRR transmit rate control algorithm
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