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samples/bpf: Convert magic numbers to names in multi-prog cgroup test case 

Attach flag 1 == BPF_F_ALLOW_OVERRIDE; attach flag 2 == BPF_F_ALLOW_MULTI.
Update the calls to bpf_prog_attach() in test_cgrp2_attach2.c to use the
names over the magic numbers.

Fixes: 39323e788c ("samples/bpf: add multi-prog cgroup test case")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
David Ahern 2017-11-30 09:02:29 -08:00 committed by Daniel Borkmann
parent 9f66816a6a
commit 51de082570
1 changed files with 24 additions and 12 deletions
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36
samples/bpf/test_cgrp2_attach2.c
View File

@ -78,7 +78,8 @@ static int test_foo_bar(void)
if (join_cgroup(FOO))
goto err;
if (bpf_prog_attach(drop_prog, foo, BPF_CGROUP_INET_EGRESS, 1)) {
if (bpf_prog_attach(drop_prog, foo, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_OVERRIDE)) {
log_err("Attaching prog to /foo");
goto err;
}
@ -97,7 +98,8 @@ static int test_foo_bar(void)
printf("Attached DROP prog. This ping in cgroup /foo/bar should fail...\n");
assert(system(PING_CMD) != 0);
if (bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS, 1)) {
if (bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_OVERRIDE)) {
log_err("Attaching prog to /foo/bar");
goto err;
}
@ -114,7 +116,8 @@ static int test_foo_bar(void)
"This ping in cgroup /foo/bar should fail...\n");
assert(system(PING_CMD) != 0);
if (bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS, 1)) {
if (bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_OVERRIDE)) {
log_err("Attaching prog to /foo/bar");
goto err;
}
@ -128,7 +131,8 @@ static int test_foo_bar(void)
"This ping in cgroup /foo/bar should pass...\n");
assert(system(PING_CMD) == 0);
if (bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS, 1)) {
if (bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_OVERRIDE)) {
log_err("Attaching prog to /foo/bar");
goto err;
}
@ -161,13 +165,15 @@ static int test_foo_bar(void)
goto err;
}
if (!bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS, 1)) {
if (!bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_OVERRIDE)) {
errno = 0;
log_err("Unexpected success attaching overridable prog to /foo/bar");
goto err;
}
if (!bpf_prog_attach(allow_prog, foo, BPF_CGROUP_INET_EGRESS, 1)) {
if (!bpf_prog_attach(allow_prog, foo, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_OVERRIDE)) {
errno = 0;
log_err("Unexpected success attaching overridable prog to /foo");
goto err;
@ -273,27 +279,33 @@ static int test_multiprog(void)
if (join_cgroup("/cg1/cg2/cg3/cg4/cg5"))
goto err;
if (bpf_prog_attach(allow_prog[0], cg1, BPF_CGROUP_INET_EGRESS, 2)) {
if (bpf_prog_attach(allow_prog[0], cg1, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_MULTI)) {
log_err("Attaching prog to cg1");
goto err;
}
if (!bpf_prog_attach(allow_prog[0], cg1, BPF_CGROUP_INET_EGRESS, 2)) {
if (!bpf_prog_attach(allow_prog[0], cg1, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_MULTI)) {
log_err("Unexpected success attaching the same prog to cg1");
goto err;
}
if (bpf_prog_attach(allow_prog[1], cg1, BPF_CGROUP_INET_EGRESS, 2)) {
if (bpf_prog_attach(allow_prog[1], cg1, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_MULTI)) {
log_err("Attaching prog2 to cg1");
goto err;
}
if (bpf_prog_attach(allow_prog[2], cg2, BPF_CGROUP_INET_EGRESS, 1)) {
if (bpf_prog_attach(allow_prog[2], cg2, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_OVERRIDE)) {
log_err("Attaching prog to cg2");
goto err;
}
if (bpf_prog_attach(allow_prog[3], cg3, BPF_CGROUP_INET_EGRESS, 2)) {
if (bpf_prog_attach(allow_prog[3], cg3, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_MULTI)) {
log_err("Attaching prog to cg3");
goto err;
}
if (bpf_prog_attach(allow_prog[4], cg4, BPF_CGROUP_INET_EGRESS, 1)) {
if (bpf_prog_attach(allow_prog[4], cg4, BPF_CGROUP_INET_EGRESS,
BPF_F_ALLOW_OVERRIDE)) {
log_err("Attaching prog to cg4");
goto err;
}