selftests: pmtu: Factor out MTU parsing helper
...so that it can be used for any iproute command output.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index 0d010f9..2d33e53 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -97,6 +97,16 @@
${ns_cmd} ip link set dev ${dev} mtu ${mtu}
}
+mtu_parse() {
+ input="${1}"
+
+ next=0
+ for i in ${input}; do
+ [ ${next} -eq 1 ] && echo "${i}" && return
+ [ "${i}" = "mtu" ] && next=1
+ done
+}
+
route_get_dst_exception() {
ns_cmd="${1}"
dst="${2}"
@@ -108,12 +118,7 @@
ns_cmd="${1}"
dst="${2}"
- exception="$(route_get_dst_exception "${ns_cmd}" ${dst})"
- next=0
- for i in ${exception}; do
- [ ${next} -eq 1 ] && echo "${i}" && return
- [ "${i}" = "mtu" ] && next=1
- done
+ mtu_parse "$(route_get_dst_exception "${ns_cmd}" ${dst})"
}
test_pmtu_vti6_exception() {