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added support for cgroup based classification

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This commit is contained in:
Steffen Vogel 2015-07-22 23:34:26 +02:00
parent 8adc97b67c
commit ce2de9f27b
2 changed files with 25 additions and 2 deletions
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23
tc-cgroup.sh Executable file
View file

@ -0,0 +1,23 @@
#!/bin/bash
# Make sure only root can run our script
if [ "$(id -u)" != "0" ]; then
echo "This script must be run as root" 1>&2
exit 1
fi
if [ ! -d "/sys/fs/cgroup/net_prio" ]; then
echo "Your kernel needs to have the cls_prio cgroup loaded!" 1>&2
exit 1
fi
if [ ! -d "/sys/fs/cgroup/net_prio/netem" ]; then
cgcreate -g net_prio:netem
for i in $(ls /sys/class/net/);
do
echo "$i 15" > /sys/fs/cgroup/net_prio/netem/net_prio.ifpriomap
done
fi
cgexec -g net_prio:netem $@

4
tc.c
View file

@ -34,7 +34,7 @@ int tc_prio(struct nl_sock *sock, struct rtnl_link *link, struct rtnl_tc **tc)
{
/* This is the default priomap +1 for every entry.
* The first band (value == 0) with the highest priority is reserved for the netem traffic */
uint8_t map[] = { 2, 3, 3, 3, 2, 3, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2 };
uint8_t map[] = { 2, 3, 3, 3, 2, 3, 1, 1, 2, 2, 2, 2, 2, 2, 2, 0 };
struct rtnl_qdisc *q = rtnl_qdisc_alloc();
@ -44,7 +44,7 @@ int tc_prio(struct nl_sock *sock, struct rtnl_link *link, struct rtnl_tc **tc)
rtnl_tc_set_kind(TC_CAST(q), "prio");
rtnl_qdisc_prio_set_bands(q, 3+1);
rtnl_qdisc_prio_set_priomap(q, map, sizeof(map) / sizeof(map[0]));
rtnl_qdisc_prio_set_priomap(q, map, 7);
int ret = rtnl_qdisc_add(sock, q, NLM_F_CREATE);