mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 06:34:11 +08:00
ad2805dc79
Add a simple program to demonstrate the ability to attach a bpf program
to a cgroup that sets sk_bound_dev_if for AF_INET{6} sockets when they
are created.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
48 lines
1.0 KiB
Bash
Executable File
48 lines
1.0 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
function config_device {
|
|
ip netns add at_ns0
|
|
ip link add veth0 type veth peer name veth0b
|
|
ip link set veth0b up
|
|
ip link set veth0 netns at_ns0
|
|
ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
|
|
ip netns exec at_ns0 ip addr add 2401:db00::1/64 dev veth0 nodad
|
|
ip netns exec at_ns0 ip link set dev veth0 up
|
|
ip link add foo type vrf table 1234
|
|
ip link set foo up
|
|
ip addr add 172.16.1.101/24 dev veth0b
|
|
ip addr add 2401:db00::2/64 dev veth0b nodad
|
|
ip link set veth0b master foo
|
|
}
|
|
|
|
function attach_bpf {
|
|
rm -rf /tmp/cgroupv2
|
|
mkdir -p /tmp/cgroupv2
|
|
mount -t cgroup2 none /tmp/cgroupv2
|
|
mkdir -p /tmp/cgroupv2/foo
|
|
test_cgrp2_sock /tmp/cgroupv2/foo foo
|
|
echo $$ >> /tmp/cgroupv2/foo/cgroup.procs
|
|
}
|
|
|
|
function cleanup {
|
|
set +ex
|
|
ip netns delete at_ns0
|
|
ip link del veth0
|
|
ip link del foo
|
|
umount /tmp/cgroupv2
|
|
rm -rf /tmp/cgroupv2
|
|
set -ex
|
|
}
|
|
|
|
function do_test {
|
|
ping -c1 -w1 172.16.1.100
|
|
ping6 -c1 -w1 2401:db00::1
|
|
}
|
|
|
|
cleanup 2>/dev/null
|
|
config_device
|
|
attach_bpf
|
|
do_test
|
|
cleanup
|
|
echo "*** PASS ***"
|