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3bdd9fd29c
The sockets used by udpgso_bench_tx aren't always ready when udpgso_bench_tx transmits packets. This issue is more prevalent in -rt kernels, but can occur in both. Replace the hacky sleep calls with a function that checks whether the ports in the namespace are ready for use. Suggested-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Lucas Karpinski <lkarpins@redhat.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
23 lines
389 B
Bash
Executable File
23 lines
389 B
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# Helper functions
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wait_local_port_listen()
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{
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local listener_ns="${1}"
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local port="${2}"
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local protocol="${3}"
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local port_hex
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local i
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port_hex="$(printf "%04X" "${port}")"
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for i in $(seq 10); do
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if ip netns exec "${listener_ns}" cat /proc/net/"${protocol}"* | \
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grep -q "${port_hex}"; then
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break
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fi
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sleep 0.1
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done
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}
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