diff options
Diffstat (limited to 'Documentation/cgroup-v1/net_cls.txt')
| -rw-r--r-- | Documentation/cgroup-v1/net_cls.txt | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/Documentation/cgroup-v1/net_cls.txt b/Documentation/cgroup-v1/net_cls.txt deleted file mode 100644 index ec182346dea2..000000000000 --- a/Documentation/cgroup-v1/net_cls.txt +++ /dev/null @@ -1,39 +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 |