2016-10-06 20:37:23 +00:00
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#
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# AR5312 -- Kernel configuration file for FreeBSD/MIPS for Atheros 5312 systems
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#
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# This includes all the common drivers for the AR5312 boards
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#
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# $FreeBSD$
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#
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machine mips mips
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#ident AR5312_BASE
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cpu CPU_MIPS4KC
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makeoptions KERNLOADADDR=0x80050000
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options HZ=1000
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makeoptions MODULES_OVERRIDE=""
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files "../atheros/ar531x/files.ar5315"
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options INTRNG
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options AR531X_1ST_GENERATION
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# For now, hints are per-board.
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hints "AR5312_BASE.hints"
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makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
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# For small memory footprints
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options VM_KMEM_SIZE_SCALE=1
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options DDB
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options KDB
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options SCHED_4BSD #4BSD scheduler
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options INET #InterNETworking
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options INET6 # IPv6
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In the TCP stack, the hhook(9) framework provides hooks for kernel modules
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
2016-10-12 02:16:42 +00:00
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options TCP_HHOOK # hhook(9) framework for TCP
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2016-10-06 20:37:23 +00:00
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# options NFSCL #Network Filesystem Client
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options PSEUDOFS #Pseudo-filesystem framework
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options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
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# options NFS_LEGACYRPC
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# Debugging for use in -current
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options INVARIANTS
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options INVARIANT_SUPPORT
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options WITNESS
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options WITNESS_SKIPSPIN
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options DEBUG_REDZONE
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options DEBUG_MEMGUARD
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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 MSDOSFS # Read MSDOS filesystems; useful for USB/CF
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device mii
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device are
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device cfi
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options CFI_HARDWAREBYTESWAP
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device geom_redboot
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device ar5315_wdog
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device uart
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device uart_ar5315
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device loop
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device ether
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device md
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device bpf
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device random
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options ARGE_DEBUG # Enable if_arge debugging for now
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# Enable GPIO
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device gpio
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device gpioled
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