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| author | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-06-27 13:08:35 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-07-15 11:03:02 -0300 |
| commit | da82c92f1150f66afabf78d2c85ef9ac18dc6d38 (patch) | |
| tree | c8f1c200188e0edc8391fa14d02eff60c6347adb /Documentation/cgroup-v1/net_cls.rst | |
| parent | 83bbf6e103544d65f17f4b2ccea1c6a51c0b0769 (diff) | |
docs: cgroup-v1: add it to the admin-guide book
Those files belong to the admin guide, so add them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'Documentation/cgroup-v1/net_cls.rst')
| -rw-r--r-- | Documentation/cgroup-v1/net_cls.rst | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/Documentation/cgroup-v1/net_cls.rst b/Documentation/cgroup-v1/net_cls.rst deleted file mode 100644 index a2cf272af7a0..000000000000 --- a/Documentation/cgroup-v1/net_cls.rst +++ /dev/null @@ -1,44 +0,0 @@ -========================= -Network classifier cgroup -========================= - -The Network classifier cgroup provides an interface to -tag network packets with a class identifier (classid). - -The Traffic Controller (tc) can be used to assign -different priorities to packets from different cgroups. -Also, Netfilter (iptables) can use this tag to perform -actions on such packets. - -Creating a net_cls cgroups instance creates a net_cls.classid file. -This net_cls.classid value is initialized to 0. - -You can write hexadecimal values to net_cls.classid; the format for these -values is 0xAAAABBBB; AAAA is the major handle number and BBBB -is the minor handle number. -Reading net_cls.classid yields a decimal result. - -Example:: - - mkdir /sys/fs/cgroup/net_cls - mount -t cgroup -onet_cls net_cls /sys/fs/cgroup/net_cls - mkdir /sys/fs/cgroup/net_cls/0 - echo 0x100001 > /sys/fs/cgroup/net_cls/0/net_cls.classid - -- setting a 10:1 handle:: - - cat /sys/fs/cgroup/net_cls/0/net_cls.classid - 1048577 - -- configuring tc:: - - tc qdisc add dev eth0 root handle 10: htb - tc class add dev eth0 parent 10: classid 10:1 htb rate 40mbit - -- creating traffic class 10:1:: - - tc filter add dev eth0 parent 10: protocol ip prio 10 handle 1: cgroup - -configuring iptables, basic example:: - - iptables -A OUTPUT -m cgroup ! --cgroup 0x100001 -j DROP |