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selftests/net: convert arp_ndisc_evict_nocarrier.sh to run it in unique namespace

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Here is the test result after conversion.

]# ./arp_ndisc_evict_nocarrier.sh
run arp_evict_nocarrier=1 test
ok
run arp_evict_nocarrier=0 test
ok
run all.arp_evict_nocarrier=0 test
ok
run ndisc_evict_nocarrier=1 test
ok
run ndisc_evict_nocarrier=0 test
ok
run all.ndisc_evict_nocarrier=0 test
ok

Acked-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Hangbin Liu 2023-12-02 10:00:58 +08:00 committed by Paolo Abeni
parent 25ae948b44
commit 64227511ad
1 changed files with 16 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
tools/testing/selftests/net/arp_ndisc_evict_nocarrier.sh
View File

@ -12,7 +12,8 @@
# {arp,ndisc}_evict_nocarrer=0 should still contain the single ARP/ND entry
#
readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
source lib.sh
readonly V4_ADDR0=10.0.10.1
readonly V4_ADDR1=10.0.10.2
readonly V6_ADDR0=2001:db8:91::1
@ -22,43 +23,29 @@ ret=0
cleanup_v6()
{
ip netns del me
ip netns del peer
cleanup_ns ${me} ${peer}
sysctl -w net.ipv6.conf.veth1.ndisc_evict_nocarrier=1 >/dev/null 2>&1
sysctl -w net.ipv6.conf.all.ndisc_evict_nocarrier=1 >/dev/null 2>&1
}
create_ns()
{
local n=${1}
ip netns del ${n} 2>/dev/null
ip netns add ${n}
ip netns set ${n} $((nsid++))
ip -netns ${n} link set lo up
}
setup_v6() {
create_ns me
create_ns peer
setup_ns me peer
IP="ip -netns me"
IP="ip -netns ${me}"
$IP li add veth1 type veth peer name veth2
$IP li set veth1 up
$IP -6 addr add $V6_ADDR0/64 dev veth1 nodad
$IP li set veth2 netns peer up
ip -netns peer -6 addr add $V6_ADDR1/64 dev veth2 nodad
$IP li set veth2 netns ${peer} up
ip -netns ${peer} -6 addr add $V6_ADDR1/64 dev veth2 nodad
ip netns exec me sysctl -w $1 >/dev/null 2>&1
ip netns exec ${me} sysctl -w $1 >/dev/null 2>&1
# Establish an ND cache entry
ip netns exec me ping -6 -c1 -Iveth1 $V6_ADDR1 >/dev/null 2>&1
ip netns exec ${me} ping -6 -c1 -Iveth1 $V6_ADDR1 >/dev/null 2>&1
# Should have the veth1 entry in ND table
ip netns exec me ip -6 neigh get $V6_ADDR1 dev veth1 >/dev/null 2>&1
ip netns exec ${me} ip -6 neigh get $V6_ADDR1 dev veth1 >/dev/null 2>&1
if [ $? -ne 0 ]; then
cleanup_v6
echo "failed"
@ -66,11 +53,11 @@ setup_v6() {
fi
# Set veth2 down, which will put veth1 in NOCARRIER state
ip netns exec peer ip link set veth2 down
ip netns exec ${peer} ip link set veth2 down
}
setup_v4() {
ip netns add "${PEER_NS}"
setup_ns PEER_NS
ip link add name veth0 type veth peer name veth1
ip link set dev veth0 up
ip link set dev veth1 netns "${PEER_NS}"
@ -99,8 +86,7 @@ setup_v4() {
cleanup_v4() {
ip neigh flush dev veth0
ip link del veth0
local -r ns="$(ip netns list|grep $PEER_NS)"
[ -n "$ns" ] && ip netns del $ns 2>/dev/null
cleanup_ns $PEER_NS
sysctl -w net.ipv4.conf.veth0.arp_evict_nocarrier=1 >/dev/null 2>&1
sysctl -w net.ipv4.conf.all.arp_evict_nocarrier=1 >/dev/null 2>&1
@ -163,7 +149,7 @@ run_ndisc_evict_nocarrier_enabled() {
setup_v6 "net.ipv6.conf.veth1.ndisc_evict_nocarrier=1"
ip netns exec me ip -6 neigh get $V6_ADDR1 dev veth1 >/dev/null 2>&1
ip netns exec ${me} ip -6 neigh get $V6_ADDR1 dev veth1 >/dev/null 2>&1
if [ $? -eq 0 ];then
echo "failed"
@ -180,7 +166,7 @@ run_ndisc_evict_nocarrier_disabled() {
setup_v6 "net.ipv6.conf.veth1.ndisc_evict_nocarrier=0"
ip netns exec me ip -6 neigh get $V6_ADDR1 dev veth1 >/dev/null 2>&1
ip netns exec ${me} ip -6 neigh get $V6_ADDR1 dev veth1 >/dev/null 2>&1
if [ $? -eq 0 ];then
echo "ok"
@ -197,7 +183,7 @@ run_ndisc_evict_nocarrier_disabled_all() {
setup_v6 "net.ipv6.conf.all.ndisc_evict_nocarrier=0"
ip netns exec me ip -6 neigh get $V6_ADDR1 dev veth1 >/dev/null 2>&1
ip netns exec ${me} ip -6 neigh get $V6_ADDR1 dev veth1 >/dev/null 2>&1
if [ $? -eq 0 ];then
echo "ok"