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021a9b4cb9
Add the userspace control portion of the backported kernelspace act_ctinfo. ctinfo is a tc action restoring data stored in conntrack marks to various fields. At present it has two independent modes of operation, restoration of DSCP into IPv4/v6 diffserv and restoration of conntrack marks into packet skb marks. It understands a number of parameters specific to this action in additional to the usual action syntax. Each operating mode is independent of the other so all options are optional, however not specifying at least one mode is a bit pointless. Usage: ... ctinfo [dscp mask [statemask]] [cpmark [mask]] [zone ZONE] [CONTROL] [index <INDEX>] DSCP mode dscp enables copying of a DSCP stored in the conntrack mark into the ipv4/v6 diffserv field. The mask is a 32bit field and specifies where in the conntrack mark the DSCP value is located. It must be 6 contiguous bits long. eg. 0xfc000000 would restore the DSCP from the upper 6 bits of the conntrack mark. The DSCP copying may be optionally controlled by a statemask. The statemask is a 32bit field, usually with a single bit set and must not overlap the dscp mask. The DSCP restore operation will only take place if the corresponding bit/s in conntrack mark ANDed with the statemask yield a non zero result. eg. dscp 0xfc000000 0x01000000 would retrieve the DSCP from the top 6 bits, whilst using bit 25 as a flag to do so. Bit 26 is unused in this example. CPMARK mode cpmark enables copying of the conntrack mark to the packet skb mark. In this mode it is completely equivalent to the existing act_connmark action. Additional functionality is provided by the optional mask parameter, whereby the stored conntrack mark is logically ANDed with the cpmark mask before being stored into skb mark. This allows shared usage of the conntrack mark between applications. eg. cpmark 0x00ffffff would restore only the lower 24 bits of the conntrack mark, thus may be useful in the event that the upper 8 bits are used by the DSCP function. Usage: ... ctinfo [dscp mask [statemask]] [cpmark [mask]] [zone ZONE] [CONTROL] [index <INDEX>] where : dscp MASK is the bitmask to restore DSCP STATEMASK is the bitmask to determine conditional restoring cpmark MASK mask applied to restored packet mark ZONE is the conntrack zone CONTROL := reclassify | pipe | drop | continue | ok | goto chain <CHAIN_INDEX> Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> |
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| .github | 6 years ago | |
| config | 5 years ago | |
| include | 5 years ago | |
| package | 5 years ago | |
| scripts | 5 years ago | |
| target | 5 years ago | |
| toolchain | 5 years ago | |
| tools | 5 years ago | |
| .gitattributes | 12 years ago | |
| .gitignore | 6 years ago | |
| BSDmakefile | 18 years ago | |
| Config.in | 7 years ago | |
| LICENSE | 8 years ago | |
| Makefile | 6 years ago | |
| README | 6 years ago | |
| feeds.conf.default | 6 years ago | |
| rules.mk | 5 years ago | |
README
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| |.-----.-----.-----.| | | |.----.| |_
| - || _ | -__| || | | || _|| _|
|_______|| __|_____|__|__||________||__| |____|
|__| W I R E L E S S F R E E D O M
-----------------------------------------------------
This is the buildsystem for the OpenWrt Linux distribution.
To build your own firmware you need a Linux, BSD or MacOSX system (case
sensitive filesystem required). Cygwin is unsupported because of the lack
of a case sensitive file system.
You need gcc, binutils, bzip2, flex, python, perl, make, find, grep, diff,
unzip, gawk, getopt, subversion, libz-dev and libc headers installed.
1. Run "./scripts/feeds update -a" to obtain all the latest package definitions
defined in feeds.conf / feeds.conf.default
2. Run "./scripts/feeds install -a" to install symlinks for all obtained
packages into package/feeds/
3. Run "make menuconfig" to select your preferred configuration for the
toolchain, target system & firmware packages.
4. Run "make" to build your firmware. This will download all sources, build
the cross-compile toolchain and then cross-compile the Linux kernel & all
chosen applications for your target system.
Sunshine!
Your OpenWrt Community
http://www.openwrt.org