bpf, selftests: use :: 1 for localhost in tcp_server.py
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> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/159594714197.21431.10113693935099326445.stgit@john-Precision-5820-Tower
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@ -34,7 +34,7 @@ serverPort = int(sys.argv[1])
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# create active socket
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sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
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try:
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sock.connect(('localhost', serverPort))
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sock.connect(('::1', serverPort))
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except socket.error as e:
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sys.exit(1)
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@ -38,7 +38,7 @@ serverSocket = None
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# create passive socket
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serverSocket = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
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try: serverSocket.bind(('localhost', 0))
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try: serverSocket.bind(('::1', 0))
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except socket.error as msg:
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print('bind fails: ' + str(msg))
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@ -82,9 +82,9 @@ int main(int argc, char **argv)
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}
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if (system("which ping6 &>/dev/null") == 0)
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assert(!system("ping6 localhost -c 10000 -f -q > /dev/null"));
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assert(!system("ping6 ::1 -c 10000 -f -q > /dev/null"));
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else
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assert(!system("ping -6 localhost -c 10000 -f -q > /dev/null"));
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assert(!system("ping -6 ::1 -c 10000 -f -q > /dev/null"));
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if (bpf_prog_query(cgroup_fd, BPF_CGROUP_INET_EGRESS, 0, NULL, NULL,
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&prog_cnt)) {
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