diff options
| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-02-28 04:04:10 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2019-03-01 00:53:45 +0100 |
| commit | 5c3cf87d477a461274452cb46f7654c5b6ae6294 (patch) | |
| tree | 29fa9024249fc4ab34e527ccfd11882d9487b494 /samples | |
| parent | selftests/bpf: use __bpf_constant_htons in test_prog.c for flow dissector (diff) | |
| download | linux-5c3cf87d477a461274452cb46f7654c5b6ae6294.tar.xz linux-5c3cf87d477a461274452cb46f7654c5b6ae6294.zip | |
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.c | 2 | ||||
| -rw-r--r-- | samples/bpf/sockex1_user.c | 2 | ||||
| -rw-r--r-- | samples/bpf/sockex2_user.c | 2 | ||||
| -rw-r--r-- | samples/bpf/sockex3_user.c | 2 | ||||
| -rw-r--r-- | samples/bpf/tracex2_user.c | 2 |
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 */ |