diff mbox series

[bpf-next] bpf, selftests: use ::1 for localhost in tcp_server.py

Message ID 159594714197.21431.10113693935099326445.stgit@john-Precision-5820-Tower
State Accepted
Delegated to: BPF Maintainers
Headers show
Series [bpf-next] bpf, selftests: use ::1 for localhost in tcp_server.py | expand

Commit Message

John Fastabend July 28, 2020, 2:39 p.m. UTC
Using localhost requires the host to have a /etc/hosts file with that
specific line in it. By default my dev box did not, they used
ip6-localhost, so the test was failing. To fix remove the need for any
/etc/hosts and use ::1.

I could just add the line, but this seems easier.

Signed-off-by: John Fastabend <john.fastabend@gmail.com>
---
 tools/testing/selftests/bpf/tcp_client.py |    2 +-
 tools/testing/selftests/bpf/tcp_server.py |    2 +-
 tools/testing/selftests/bpf/test_netcnt.c |    4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

Comments

Song Liu July 28, 2020, 5:44 p.m. UTC | #1
On Tue, Jul 28, 2020 at 7:40 AM John Fastabend <john.fastabend@gmail.com> wrote:
>
> Using localhost requires the host to have a /etc/hosts file with that
> specific line in it. By default my dev box did not, they used
> ip6-localhost, so the test was failing. To fix remove the need for any
> /etc/hosts and use ::1.
>
> I could just add the line, but this seems easier.
>
> Signed-off-by: John Fastabend <john.fastabend@gmail.com>

Acked-by: Song Liu <songliubraving@fb.com>
Andrii Nakryiko July 28, 2020, 6:39 p.m. UTC | #2
On Tue, Jul 28, 2020 at 7:40 AM John Fastabend <john.fastabend@gmail.com> wrote:
>
> Using localhost requires the host to have a /etc/hosts file with that
> specific line in it. By default my dev box did not, they used
> ip6-localhost, so the test was failing. To fix remove the need for any
> /etc/hosts and use ::1.
>
> I could just add the line, but this seems easier.
>
> Signed-off-by: John Fastabend <john.fastabend@gmail.com>
> ---

Makes sense.

Acked-by: Andrii Nakryiko <andriin@fb.com>


>  tools/testing/selftests/bpf/tcp_client.py |    2 +-
>  tools/testing/selftests/bpf/tcp_server.py |    2 +-
>  tools/testing/selftests/bpf/test_netcnt.c |    4 ++--
>  3 files changed, 4 insertions(+), 4 deletions(-)
>

[...]
Daniel Borkmann July 28, 2020, 10:28 p.m. UTC | #3
On 7/28/20 4:39 PM, John Fastabend wrote:
> Using localhost requires the host to have a /etc/hosts file with that
> specific line in it. By default my dev box did not, they used
> ip6-localhost, so the test was failing. To fix remove the need for any
> /etc/hosts and use ::1.
> 
> I could just add the line, but this seems easier.
> 
> Signed-off-by: John Fastabend <john.fastabend@gmail.com>

Applied, thanks!
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/tcp_client.py b/tools/testing/selftests/bpf/tcp_client.py
index a53ed58..bfff82b 100755
--- a/tools/testing/selftests/bpf/tcp_client.py
+++ b/tools/testing/selftests/bpf/tcp_client.py
@@ -34,7 +34,7 @@  serverPort = int(sys.argv[1])
 # create active socket
 sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
 try:
-    sock.connect(('localhost', serverPort))
+    sock.connect(('::1', serverPort))
 except socket.error as e:
     sys.exit(1)
 
diff --git a/tools/testing/selftests/bpf/tcp_server.py b/tools/testing/selftests/bpf/tcp_server.py
index 0ca60d1..42ab888 100755
--- a/tools/testing/selftests/bpf/tcp_server.py
+++ b/tools/testing/selftests/bpf/tcp_server.py
@@ -38,7 +38,7 @@  serverSocket = None
 # create passive socket
 serverSocket = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
 
-try: serverSocket.bind(('localhost', 0))
+try: serverSocket.bind(('::1', 0))
 except socket.error as msg:
     print('bind fails: ' + str(msg))
 
diff --git a/tools/testing/selftests/bpf/test_netcnt.c b/tools/testing/selftests/bpf/test_netcnt.c
index c1da540..7a68c90 100644
--- a/tools/testing/selftests/bpf/test_netcnt.c
+++ b/tools/testing/selftests/bpf/test_netcnt.c
@@ -82,9 +82,9 @@  int main(int argc, char **argv)
 	}
 
 	if (system("which ping6 &>/dev/null") == 0)
-		assert(!system("ping6 localhost -c 10000 -f -q > /dev/null"));
+		assert(!system("ping6 ::1 -c 10000 -f -q > /dev/null"));
 	else
-		assert(!system("ping -6 localhost -c 10000 -f -q > /dev/null"));
+		assert(!system("ping -6 ::1 -c 10000 -f -q > /dev/null"));
 
 	if (bpf_prog_query(cgroup_fd, BPF_CGROUP_INET_EGRESS, 0, NULL, NULL,
 			   &prog_cnt)) {