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selftests: pmtu: Factor out MTU parsing helper

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...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>
This commit is contained in:
Stefano Brivio 2018-03-17 02:31:40 +01:00 committed by David S. Miller
parent 822d2f86c4
commit f2c929feec
1 changed files with 11 additions and 6 deletions
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17
tools/testing/selftests/net/pmtu.sh
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@ -97,6 +97,16 @@ mtu() {
${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="${2}"
@ -108,12 +118,7 @@ route_get_dst_pmtu_from_exception() {
ns_cmd="${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() {