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authorJakub Kicinski <jakub.kicinski@netronome.com>2019-02-27 19:04:10 -0800
committerDaniel Borkmann <daniel@iogearbox.net>2019-03-01 00:53:45 +0100
commit5c3cf87d477a461274452cb46f7654c5b6ae6294 (patch)
tree29fa9024249fc4ab34e527ccfd11882d9487b494 /samples
parentebace0e981b2aa6b2c0eb9bee0df3676fd690d8b (diff)
downloadlinux-stericsson-5c3cf87d477a461274452cb46f7654c5b6ae6294.tar.gz
samples: bpf: force IPv4 in ping
ping localhost may default of IPv6 on modern systems, but samples are trying to only parse IPv4. Force IPv4. samples/bpf/tracex1_user.c doesn't interpret the packet so we don't care which IP version will be used there. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'samples')
-rw-r--r--samples/bpf/sock_example.c2
-rw-r--r--samples/bpf/sockex1_user.c2
-rw-r--r--samples/bpf/sockex2_user.c2
-rw-r--r--samples/bpf/sockex3_user.c2
-rw-r--r--samples/bpf/tracex2_user.c2
5 files changed, 5 insertions, 5 deletions
diff --git a/samples/bpf/sock_example.c b/samples/bpf/sock_example.c
index 60ec467c78ab..00aae1d33fca 100644
--- a/samples/bpf/sock_example.c
+++ b/samples/bpf/sock_example.c
@@ -99,7 +99,7 @@ int main(void)
{
FILE *f;
- f = popen("ping -c5 localhost", "r");
+ f = popen("ping -4 -c5 localhost", "r");
(void)f;
return test_sock();
diff --git a/samples/bpf/sockex1_user.c b/samples/bpf/sockex1_user.c
index 93ec01c56104..be8ba5686924 100644
--- a/samples/bpf/sockex1_user.c
+++ b/samples/bpf/sockex1_user.c
@@ -26,7 +26,7 @@ int main(int ac, char **argv)
assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, prog_fd,
sizeof(prog_fd[0])) == 0);
- f = popen("ping -c5 localhost", "r");
+ f = popen("ping -4 -c5 localhost", "r");
(void) f;
for (i = 0; i < 5; i++) {
diff --git a/samples/bpf/sockex2_user.c b/samples/bpf/sockex2_user.c
index 1d5c6e9a6d27..125ee6efc913 100644
--- a/samples/bpf/sockex2_user.c
+++ b/samples/bpf/sockex2_user.c
@@ -34,7 +34,7 @@ int main(int ac, char **argv)
assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, prog_fd,
sizeof(prog_fd[0])) == 0);
- f = popen("ping -c5 localhost", "r");
+ f = popen("ping -4 -c5 localhost", "r");
(void) f;
for (i = 0; i < 5; i++) {
diff --git a/samples/bpf/sockex3_user.c b/samples/bpf/sockex3_user.c
index 9d02e0404719..bbb1cd0666a9 100644
--- a/samples/bpf/sockex3_user.c
+++ b/samples/bpf/sockex3_user.c
@@ -58,7 +58,7 @@ int main(int argc, char **argv)
sizeof(__u32)) == 0);
if (argc > 1)
- f = popen("ping -c5 localhost", "r");
+ f = popen("ping -4 -c5 localhost", "r");
else
f = popen("netperf -l 4 localhost", "r");
(void) f;
diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c
index 1a81e6a5c2ea..c9544a4ce61a 100644
--- a/samples/bpf/tracex2_user.c
+++ b/samples/bpf/tracex2_user.c
@@ -131,7 +131,7 @@ int main(int ac, char **argv)
signal(SIGTERM, int_exit);
/* start 'ping' in the background to have some kfree_skb events */
- f = popen("ping -c5 localhost", "r");
+ f = popen("ping -4 -c5 localhost", "r");
(void) f;
/* start 'dd' in the background to have plenty of 'write' syscalls */