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
88 lines
1.7 KiB
Plaintext
88 lines
1.7 KiB
Plaintext
#
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# Custom kernel for Marvell DB-78xx boards.
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#
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# $FreeBSD$
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#
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ident DB-88F78XX
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include "std.arm"
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include "../mv/discovery/std.db78xxx"
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options SOC_MV_DISCOVERY
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makeoptions WERROR="-Werror"
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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 GEOM_PART_BSD # BSD partition scheme
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options GEOM_PART_MBR # MBR partition scheme
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options TMPFS # Efficient memory filesystem
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options FFS # Berkeley Fast Filesystem
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options NANDFS # NAND Filesystem
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options NFSCL # Network Filesystem Client
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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 BOOTP
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options BOOTP_NFSROOT
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options BOOTP_NFSV3
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options BOOTP_WIRED_TO=mge0
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#options ROOTDEVNAME=\"ufs:/dev/da0a\"
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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 MUTEX_NOINLINE
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options RWLOCK_NOINLINE
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options NO_FFS_SNAPSHOT
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options NO_SWAPPING
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device pci
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# Pseudo devices
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device loop
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device md
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device random
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# Serial ports
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device uart
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# Networking
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device ether
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device mge # Marvell Gigabit Ethernet controller
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device mii
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device mdio
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device e1000phy
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device bpf
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# USB
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device usb
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device ehci
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device umass
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device scbus
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device pass
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device da
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# I2C (TWSI)
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device iic
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device iicbus
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device twsi
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device ds133x
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# SATA
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device mvs
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# NAND
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device nand
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# GPIO
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device gpio
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# Flattened Device Tree
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options FDT
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options FDT_DTB_STATIC
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makeoptions FDT_DTS_FILE=db78100.dts
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