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Message-ID: <30b674759710d76063caafaaa249c6beb309a278.1615563035.git.petrm@nvidia.com>
Date: Fri, 12 Mar 2021 17:50:23 +0100
From: Petr Machata <petrm@...dia.com>
To: <netdev@...r.kernel.org>
CC: Ido Schimmel <idosch@...dia.com>, David Ahern <dsahern@...nel.org>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
"Petr Machata" <petrm@...dia.com>
Subject: [PATCH net-next 07/10] selftests: fib_nexthops: Test resilient nexthop groups
From: Ido Schimmel <idosch@...dia.com>
Add test cases for resilient nexthop groups. Exhaustive forwarding tests
are added separately under net/forwarding/.
Examples:
# ./fib_nexthops.sh -t basic_res
Basic resilient nexthop group functional tests
----------------------------------------------
TEST: Add a nexthop group with default parameters [ OK ]
TEST: Get a nexthop group with default parameters [ OK ]
TEST: Get a nexthop group with non-default parameters [ OK ]
TEST: Add a nexthop group with 0 buckets [ OK ]
TEST: Replace nexthop group parameters [ OK ]
TEST: Get a nexthop group after replacing parameters [ OK ]
TEST: Replace idle timer [ OK ]
TEST: Get a nexthop group after replacing idle timer [ OK ]
TEST: Replace unbalanced timer [ OK ]
TEST: Get a nexthop group after replacing unbalanced timer [ OK ]
TEST: Replace with no parameters [ OK ]
TEST: Get a nexthop group after replacing no parameters [ OK ]
TEST: Replace nexthop group type - implicit [ OK ]
TEST: Replace nexthop group type - explicit [ OK ]
TEST: Replace number of nexthop buckets [ OK ]
TEST: Get a nexthop group after replacing with invalid parameters [ OK ]
TEST: Dump all nexthop buckets [ OK ]
TEST: Dump all nexthop buckets in a group [ OK ]
TEST: Dump all nexthop buckets with a specific nexthop device [ OK ]
TEST: Dump all nexthop buckets with a specific nexthop identifier [ OK ]
TEST: Dump all nexthop buckets in a non-existent group [ OK ]
TEST: Dump all nexthop buckets in a non-resilient group [ OK ]
TEST: Dump all nexthop buckets using a non-existent device [ OK ]
TEST: Dump all nexthop buckets with invalid 'groups' keyword [ OK ]
TEST: Dump all nexthop buckets with invalid 'fdb' keyword [ OK ]
TEST: Get a valid nexthop bucket [ OK ]
TEST: Get a nexthop bucket with valid group, but invalid index [ OK ]
TEST: Get a nexthop bucket from a non-resilient group [ OK ]
TEST: Get a nexthop bucket from a non-existent group [ OK ]
Tests passed: 29
Tests failed: 0
# ./fib_nexthops.sh -t ipv4_large_res_grp
IPv4 large resilient group (128k buckets)
-----------------------------------------
TEST: Dump large (x131072) nexthop buckets [ OK ]
Tests passed: 1
Tests failed: 0
# ./fib_nexthops.sh -t ipv6_large_res_grp
IPv6 large resilient group (128k buckets)
-----------------------------------------
TEST: Dump large (x131072) nexthop buckets [ OK ]
Tests passed: 1
Tests failed: 0
# ./fib_nexthops.sh -t ipv4_res_torture
IPv4 runtime resilient nexthop group torture
--------------------------------------------
TEST: IPv4 resilient nexthop group torture test [ OK ]
Tests passed: 1
Tests failed: 0
# ./fib_nexthops.sh -t ipv6_res_torture
IPv6 runtime resilient nexthop group torture
--------------------------------------------
TEST: IPv6 resilient nexthop group torture test [ OK ]
Tests passed: 1
Tests failed: 0
# ./fib_nexthops.sh -t ipv4_res_grp_fcnal
IPv4 resilient groups functional
--------------------------------
TEST: Nexthop group updated when entry is deleted [ OK ]
TEST: Nexthop buckets updated when entry is deleted [ OK ]
TEST: Nexthop group updated after replace [ OK ]
TEST: Nexthop buckets updated after replace [ OK ]
TEST: Nexthop group updated when entry is deleted - nECMP [ OK ]
TEST: Nexthop buckets updated when entry is deleted - nECMP [ OK ]
TEST: Nexthop group updated after replace - nECMP [ OK ]
TEST: Nexthop buckets updated after replace - nECMP [ OK ]
Tests passed: 8
Tests failed: 0
# ./fib_nexthops.sh -t ipv6_res_grp_fcnal
IPv6 resilient groups functional
--------------------------------
TEST: Nexthop group updated when entry is deleted [ OK ]
TEST: Nexthop buckets updated when entry is deleted [ OK ]
TEST: Nexthop group updated after replace [ OK ]
TEST: Nexthop buckets updated after replace [ OK ]
TEST: Nexthop group updated when entry is deleted - nECMP [ OK ]
TEST: Nexthop buckets updated when entry is deleted - nECMP [ OK ]
TEST: Nexthop group updated after replace - nECMP [ OK ]
TEST: Nexthop buckets updated after replace - nECMP [ OK ]
Tests passed: 8
Tests failed: 0
Signed-off-by: Ido Schimmel <idosch@...dia.com>
Co-developed-by: Petr Machata <petrm@...dia.com>
Signed-off-by: Petr Machata <petrm@...dia.com>
---
tools/testing/selftests/net/fib_nexthops.sh | 517 ++++++++++++++++++++
1 file changed, 517 insertions(+)
diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
index c840aa88ff18..56dd0c6f2e96 100755
--- a/tools/testing/selftests/net/fib_nexthops.sh
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -22,26 +22,33 @@ ksft_skip=4
IPV4_TESTS="
ipv4_fcnal
ipv4_grp_fcnal
+ ipv4_res_grp_fcnal
ipv4_withv6_fcnal
ipv4_fcnal_runtime
ipv4_large_grp
+ ipv4_large_res_grp
ipv4_compat_mode
ipv4_fdb_grp_fcnal
ipv4_torture
+ ipv4_res_torture
"
IPV6_TESTS="
ipv6_fcnal
ipv6_grp_fcnal
+ ipv6_res_grp_fcnal
ipv6_fcnal_runtime
ipv6_large_grp
+ ipv6_large_res_grp
ipv6_compat_mode
ipv6_fdb_grp_fcnal
ipv6_torture
+ ipv6_res_torture
"
ALL_TESTS="
basic
+ basic_res
${IPV4_TESTS}
${IPV6_TESTS}
"
@@ -254,6 +261,19 @@ check_nexthop()
check_output "${out}" "${expected}"
}
+check_nexthop_bucket()
+{
+ local nharg="$1"
+ local expected="$2"
+ local out
+
+ # remove the idle time since we cannot match it
+ out=$($IP nexthop bucket ${nharg} \
+ | sed s/idle_time\ [0-9.]*\ // 2>/dev/null)
+
+ check_output "${out}" "${expected}"
+}
+
check_route()
{
local pfx="$1"
@@ -330,6 +350,25 @@ check_large_grp()
log_test $? 0 "Dump large (x$ecmp) ecmp groups"
}
+check_large_res_grp()
+{
+ local ipv=$1
+ local buckets=$2
+ local ipstr=""
+
+ if [ $ipv -eq 4 ]; then
+ ipstr="172.16.1.2"
+ else
+ ipstr="2001:db8:91::2"
+ fi
+
+ # create a resilient group with $buckets buckets and dump them
+ run_cmd "$IP nexthop add id 100 via $ipstr dev veth1"
+ run_cmd "$IP nexthop add id 1000 group 100 type resilient buckets $buckets"
+ run_cmd "$IP nexthop bucket list"
+ log_test $? 0 "Dump large (x$buckets) nexthop buckets"
+}
+
start_ip_monitor()
{
local mtype=$1
@@ -366,6 +405,15 @@ check_nexthop_fdb_support()
fi
}
+check_nexthop_res_support()
+{
+ $IP nexthop help 2>&1 | grep -q resilient
+ if [ $? -ne 0 ]; then
+ echo "SKIP: iproute2 too old, missing resilient nexthop group support"
+ return $ksft_skip
+ fi
+}
+
ipv6_fdb_grp_fcnal()
{
local rc
@@ -688,6 +736,70 @@ ipv6_grp_fcnal()
log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
}
+ipv6_res_grp_fcnal()
+{
+ local rc
+
+ echo
+ echo "IPv6 resilient groups functional"
+ echo "--------------------------------"
+
+ check_nexthop_res_support
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ #
+ # migration of nexthop buckets - equal weights
+ #
+ run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop add id 102 group 62/63 type resilient buckets 2 idle_timer 0"
+
+ run_cmd "$IP nexthop del id 63"
+ check_nexthop "id 102" \
+ "id 102 group 62 type resilient buckets 2 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ log_test $? 0 "Nexthop group updated when entry is deleted"
+ check_nexthop_bucket "list id 102" \
+ "id 102 index 0 nhid 62 id 102 index 1 nhid 62"
+ log_test $? 0 "Nexthop buckets updated when entry is deleted"
+
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop replace id 102 group 62/63 type resilient buckets 2 idle_timer 0"
+ check_nexthop "id 102" \
+ "id 102 group 62/63 type resilient buckets 2 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ log_test $? 0 "Nexthop group updated after replace"
+ check_nexthop_bucket "list id 102" \
+ "id 102 index 0 nhid 63 id 102 index 1 nhid 62"
+ log_test $? 0 "Nexthop buckets updated after replace"
+
+ $IP nexthop flush >/dev/null 2>&1
+
+ #
+ # migration of nexthop buckets - unequal weights
+ #
+ run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop add id 102 group 62,3/63,1 type resilient buckets 4 idle_timer 0"
+
+ run_cmd "$IP nexthop del id 63"
+ check_nexthop "id 102" \
+ "id 102 group 62,3 type resilient buckets 4 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ log_test $? 0 "Nexthop group updated when entry is deleted - nECMP"
+ check_nexthop_bucket "list id 102" \
+ "id 102 index 0 nhid 62 id 102 index 1 nhid 62 id 102 index 2 nhid 62 id 102 index 3 nhid 62"
+ log_test $? 0 "Nexthop buckets updated when entry is deleted - nECMP"
+
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop replace id 102 group 62,3/63,1 type resilient buckets 4 idle_timer 0"
+ check_nexthop "id 102" \
+ "id 102 group 62,3/63 type resilient buckets 4 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ log_test $? 0 "Nexthop group updated after replace - nECMP"
+ check_nexthop_bucket "list id 102" \
+ "id 102 index 0 nhid 63 id 102 index 1 nhid 62 id 102 index 2 nhid 62 id 102 index 3 nhid 62"
+ log_test $? 0 "Nexthop buckets updated after replace - nECMP"
+}
+
ipv6_fcnal_runtime()
{
local rc
@@ -846,6 +958,22 @@ ipv6_large_grp()
$IP nexthop flush >/dev/null 2>&1
}
+ipv6_large_res_grp()
+{
+ echo
+ echo "IPv6 large resilient group (128k buckets)"
+ echo "-----------------------------------------"
+
+ check_nexthop_res_support
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ check_large_res_grp 6 $((128 * 1024))
+
+ $IP nexthop flush >/dev/null 2>&1
+}
+
ipv6_del_add_loop1()
{
while :; do
@@ -902,6 +1030,61 @@ ipv6_torture()
log_test 0 0 "IPv6 torture test"
}
+ipv6_res_grp_replace_loop()
+{
+ while :; do
+ $IP nexthop replace id 102 group 100/101 type resilient
+ done >/dev/null 2>&1
+}
+
+ipv6_res_torture()
+{
+ local pid1
+ local pid2
+ local pid3
+ local pid4
+ local pid5
+
+ echo
+ echo "IPv6 runtime resilient nexthop group torture"
+ echo "--------------------------------------------"
+
+ check_nexthop_res_support
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ if [ ! -x "$(command -v mausezahn)" ]; then
+ echo "SKIP: Could not run test; need mausezahn tool"
+ return
+ fi
+
+ run_cmd "$IP nexthop add id 100 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 101 via 2001:db8:92::2 dev veth3"
+ run_cmd "$IP nexthop add id 102 group 100/101 type resilient buckets 512 idle_timer 0"
+ run_cmd "$IP route add 2001:db8:101::1 nhid 102"
+ run_cmd "$IP route add 2001:db8:101::2 nhid 102"
+
+ ipv6_del_add_loop1 &
+ pid1=$!
+ ipv6_res_grp_replace_loop &
+ pid2=$!
+ ip netns exec me ping -f 2001:db8:101::1 >/dev/null 2>&1 &
+ pid3=$!
+ ip netns exec me ping -f 2001:db8:101::2 >/dev/null 2>&1 &
+ pid4=$!
+ ip netns exec me mausezahn -6 veth1 \
+ -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 \
+ -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
+ pid5=$!
+
+ sleep 300
+ kill -9 $pid1 $pid2 $pid3 $pid4 $pid5
+ wait $pid1 $pid2 $pid3 $pid4 $pid5 2>/dev/null
+
+ # if we did not crash, success
+ log_test 0 0 "IPv6 resilient nexthop group torture test"
+}
ipv4_fcnal()
{
@@ -1061,6 +1244,70 @@ ipv4_grp_fcnal()
log_test $? 2 "Nexthop group can not have a blackhole and another nexthop"
}
+ipv4_res_grp_fcnal()
+{
+ local rc
+
+ echo
+ echo "IPv4 resilient groups functional"
+ echo "--------------------------------"
+
+ check_nexthop_res_support
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ #
+ # migration of nexthop buckets - equal weights
+ #
+ run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
+ run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
+ run_cmd "$IP nexthop add id 102 group 12/13 type resilient buckets 2 idle_timer 0"
+
+ run_cmd "$IP nexthop del id 13"
+ check_nexthop "id 102" \
+ "id 102 group 12 type resilient buckets 2 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ log_test $? 0 "Nexthop group updated when entry is deleted"
+ check_nexthop_bucket "list id 102" \
+ "id 102 index 0 nhid 12 id 102 index 1 nhid 12"
+ log_test $? 0 "Nexthop buckets updated when entry is deleted"
+
+ run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
+ run_cmd "$IP nexthop replace id 102 group 12/13 type resilient buckets 2 idle_timer 0"
+ check_nexthop "id 102" \
+ "id 102 group 12/13 type resilient buckets 2 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ log_test $? 0 "Nexthop group updated after replace"
+ check_nexthop_bucket "list id 102" \
+ "id 102 index 0 nhid 13 id 102 index 1 nhid 12"
+ log_test $? 0 "Nexthop buckets updated after replace"
+
+ $IP nexthop flush >/dev/null 2>&1
+
+ #
+ # migration of nexthop buckets - unequal weights
+ #
+ run_cmd "$IP nexthop add id 12 via 172.16.1.2 dev veth1"
+ run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
+ run_cmd "$IP nexthop add id 102 group 12,3/13,1 type resilient buckets 4 idle_timer 0"
+
+ run_cmd "$IP nexthop del id 13"
+ check_nexthop "id 102" \
+ "id 102 group 12,3 type resilient buckets 4 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ log_test $? 0 "Nexthop group updated when entry is deleted - nECMP"
+ check_nexthop_bucket "list id 102" \
+ "id 102 index 0 nhid 12 id 102 index 1 nhid 12 id 102 index 2 nhid 12 id 102 index 3 nhid 12"
+ log_test $? 0 "Nexthop buckets updated when entry is deleted - nECMP"
+
+ run_cmd "$IP nexthop add id 13 via 172.16.1.3 dev veth1"
+ run_cmd "$IP nexthop replace id 102 group 12,3/13,1 type resilient buckets 4 idle_timer 0"
+ check_nexthop "id 102" \
+ "id 102 group 12,3/13 type resilient buckets 4 idle_timer 0 unbalanced_timer 0 unbalanced_time 0"
+ log_test $? 0 "Nexthop group updated after replace - nECMP"
+ check_nexthop_bucket "list id 102" \
+ "id 102 index 0 nhid 13 id 102 index 1 nhid 12 id 102 index 2 nhid 12 id 102 index 3 nhid 12"
+ log_test $? 0 "Nexthop buckets updated after replace - nECMP"
+}
+
ipv4_withv6_fcnal()
{
local lladdr
@@ -1282,6 +1529,22 @@ ipv4_large_grp()
$IP nexthop flush >/dev/null 2>&1
}
+ipv4_large_res_grp()
+{
+ echo
+ echo "IPv4 large resilient group (128k buckets)"
+ echo "-----------------------------------------"
+
+ check_nexthop_res_support
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ check_large_res_grp 4 $((128 * 1024))
+
+ $IP nexthop flush >/dev/null 2>&1
+}
+
sysctl_nexthop_compat_mode_check()
{
local sysctlname="net.ipv4.nexthop_compat_mode"
@@ -1505,6 +1768,62 @@ ipv4_torture()
log_test 0 0 "IPv4 torture test"
}
+ipv4_res_grp_replace_loop()
+{
+ while :; do
+ $IP nexthop replace id 102 group 100/101 type resilient
+ done >/dev/null 2>&1
+}
+
+ipv4_res_torture()
+{
+ local pid1
+ local pid2
+ local pid3
+ local pid4
+ local pid5
+
+ echo
+ echo "IPv4 runtime resilient nexthop group torture"
+ echo "--------------------------------------------"
+
+ check_nexthop_res_support
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ if [ ! -x "$(command -v mausezahn)" ]; then
+ echo "SKIP: Could not run test; need mausezahn tool"
+ return
+ fi
+
+ run_cmd "$IP nexthop add id 100 via 172.16.1.2 dev veth1"
+ run_cmd "$IP nexthop add id 101 via 172.16.2.2 dev veth3"
+ run_cmd "$IP nexthop add id 102 group 100/101 type resilient buckets 512 idle_timer 0"
+ run_cmd "$IP route add 172.16.101.1 nhid 102"
+ run_cmd "$IP route add 172.16.101.2 nhid 102"
+
+ ipv4_del_add_loop1 &
+ pid1=$!
+ ipv4_res_grp_replace_loop &
+ pid2=$!
+ ip netns exec me ping -f 172.16.101.1 >/dev/null 2>&1 &
+ pid3=$!
+ ip netns exec me ping -f 172.16.101.2 >/dev/null 2>&1 &
+ pid4=$!
+ ip netns exec me mausezahn veth1 \
+ -B 172.16.101.2 -A 172.16.1.1 -c 0 \
+ -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
+ pid5=$!
+
+ sleep 300
+ kill -9 $pid1 $pid2 $pid3 $pid4 $pid5
+ wait $pid1 $pid2 $pid3 $pid4 $pid5 2>/dev/null
+
+ # if we did not crash, success
+ log_test 0 0 "IPv4 resilient nexthop group torture test"
+}
+
basic()
{
echo
@@ -1616,6 +1935,204 @@ basic()
$IP nexthop flush >/dev/null 2>&1
}
+check_nexthop_buckets_balance()
+{
+ local nharg=$1; shift
+ local ret
+
+ while (($# > 0)); do
+ local selector=$1; shift
+ local condition=$1; shift
+ local count
+
+ count=$($IP -j nexthop bucket ${nharg} ${selector} | jq length)
+ (( $count $condition ))
+ ret=$?
+ if ((ret != 0)); then
+ return $ret
+ fi
+ done
+
+ return 0
+}
+
+basic_res()
+{
+ echo
+ echo "Basic resilient nexthop group functional tests"
+ echo "----------------------------------------------"
+
+ check_nexthop_res_support
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ run_cmd "$IP nexthop add id 1 dev veth1"
+
+ #
+ # resilient nexthop group addition
+ #
+
+ run_cmd "$IP nexthop add id 101 group 1 type resilient buckets 8"
+ log_test $? 0 "Add a nexthop group with default parameters"
+
+ run_cmd "$IP nexthop get id 101"
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 120 unbalanced_timer 0 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group with default parameters"
+
+ run_cmd "$IP nexthop add id 102 group 1 type resilient
+ buckets 4 idle_timer 100 unbalanced_timer 5"
+ run_cmd "$IP nexthop get id 102"
+ check_nexthop "id 102" \
+ "id 102 group 1 type resilient buckets 4 idle_timer 100 unbalanced_timer 5 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group with non-default parameters"
+
+ run_cmd "$IP nexthop add id 103 group 1 type resilient buckets 0"
+ log_test $? 2 "Add a nexthop group with 0 buckets"
+
+ #
+ # resilient nexthop group replacement
+ #
+
+ run_cmd "$IP nexthop replace id 101 group 1 type resilient
+ buckets 8 idle_timer 240 unbalanced_timer 80"
+ log_test $? 0 "Replace nexthop group parameters"
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 240 unbalanced_timer 80 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group after replacing parameters"
+
+ run_cmd "$IP nexthop replace id 101 group 1 type resilient idle_timer 512"
+ log_test $? 0 "Replace idle timer"
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 512 unbalanced_timer 80 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group after replacing idle timer"
+
+ run_cmd "$IP nexthop replace id 101 group 1 type resilient unbalanced_timer 256"
+ log_test $? 0 "Replace unbalanced timer"
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 512 unbalanced_timer 256 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group after replacing unbalanced timer"
+
+ run_cmd "$IP nexthop replace id 101 group 1 type resilient"
+ log_test $? 0 "Replace with no parameters"
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 512 unbalanced_timer 256 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group after replacing no parameters"
+
+ run_cmd "$IP nexthop replace id 101 group 1"
+ log_test $? 2 "Replace nexthop group type - implicit"
+
+ run_cmd "$IP nexthop replace id 101 group 1 type mpath"
+ log_test $? 2 "Replace nexthop group type - explicit"
+
+ run_cmd "$IP nexthop replace id 101 group 1 type resilient buckets 1024"
+ log_test $? 2 "Replace number of nexthop buckets"
+
+ check_nexthop "id 101" \
+ "id 101 group 1 type resilient buckets 8 idle_timer 512 unbalanced_timer 256 unbalanced_time 0"
+ log_test $? 0 "Get a nexthop group after replacing with invalid parameters"
+
+ #
+ # resilient nexthop buckets dump
+ #
+
+ $IP nexthop flush >/dev/null 2>&1
+ run_cmd "$IP nexthop add id 1 dev veth1"
+ run_cmd "$IP nexthop add id 2 dev veth3"
+ run_cmd "$IP nexthop add id 101 group 1/2 type resilient buckets 4"
+ run_cmd "$IP nexthop add id 201 group 1/2"
+
+ check_nexthop_bucket "" \
+ "id 101 index 0 nhid 2 id 101 index 1 nhid 2 id 101 index 2 nhid 1 id 101 index 3 nhid 1"
+ log_test $? 0 "Dump all nexthop buckets"
+
+ check_nexthop_bucket "list id 101" \
+ "id 101 index 0 nhid 2 id 101 index 1 nhid 2 id 101 index 2 nhid 1 id 101 index 3 nhid 1"
+ log_test $? 0 "Dump all nexthop buckets in a group"
+
+ (( $($IP -j nexthop bucket list id 101 |
+ jq '[.[] | select(.bucket.idle_time > 0 and
+ .bucket.idle_time < 2)] | length') == 4 ))
+ log_test $? 0 "All nexthop buckets report a positive near-zero idle time"
+
+ check_nexthop_bucket "list dev veth1" \
+ "id 101 index 2 nhid 1 id 101 index 3 nhid 1"
+ log_test $? 0 "Dump all nexthop buckets with a specific nexthop device"
+
+ check_nexthop_bucket "list nhid 2" \
+ "id 101 index 0 nhid 2 id 101 index 1 nhid 2"
+ log_test $? 0 "Dump all nexthop buckets with a specific nexthop identifier"
+
+ run_cmd "$IP nexthop bucket list id 111"
+ log_test $? 2 "Dump all nexthop buckets in a non-existent group"
+
+ run_cmd "$IP nexthop bucket list id 201"
+ log_test $? 2 "Dump all nexthop buckets in a non-resilient group"
+
+ run_cmd "$IP nexthop bucket list dev bla"
+ log_test $? 255 "Dump all nexthop buckets using a non-existent device"
+
+ run_cmd "$IP nexthop bucket list groups"
+ log_test $? 255 "Dump all nexthop buckets with invalid 'groups' keyword"
+
+ run_cmd "$IP nexthop bucket list fdb"
+ log_test $? 255 "Dump all nexthop buckets with invalid 'fdb' keyword"
+
+ #
+ # resilient nexthop buckets get requests
+ #
+
+ check_nexthop_bucket "get id 101 index 0" "id 101 index 0 nhid 2"
+ log_test $? 0 "Get a valid nexthop bucket"
+
+ run_cmd "$IP nexthop bucket get id 101 index 999"
+ log_test $? 2 "Get a nexthop bucket with valid group, but invalid index"
+
+ run_cmd "$IP nexthop bucket get id 201 index 0"
+ log_test $? 2 "Get a nexthop bucket from a non-resilient group"
+
+ run_cmd "$IP nexthop bucket get id 999 index 0"
+ log_test $? 2 "Get a nexthop bucket from a non-existent group"
+
+ #
+ # tests for bucket migration
+ #
+
+ $IP nexthop flush >/dev/null 2>&1
+
+ run_cmd "$IP nexthop add id 1 dev veth1"
+ run_cmd "$IP nexthop add id 2 dev veth3"
+ run_cmd "$IP nexthop add id 101
+ group 1/2 type resilient buckets 10
+ idle_timer 1 unbalanced_timer 20"
+
+ check_nexthop_buckets_balance "list id 101" \
+ "nhid 1" "== 5" \
+ "nhid 2" "== 5"
+ log_test $? 0 "Initial bucket allocation"
+
+ run_cmd "$IP nexthop replace id 101
+ group 1,2/2,3 type resilient"
+ check_nexthop_buckets_balance "list id 101" \
+ "nhid 1" "== 4" \
+ "nhid 2" "== 6"
+ log_test $? 0 "Bucket allocation after replace"
+
+ # Check that increase in idle timer does not make buckets appear busy.
+ run_cmd "$IP nexthop replace id 101
+ group 1,2/2,3 type resilient
+ idle_timer 10"
+ run_cmd "$IP nexthop replace id 101
+ group 1/2 type resilient"
+ check_nexthop_buckets_balance "list id 101" \
+ "nhid 1" "== 5" \
+ "nhid 2" "== 5"
+ log_test $? 0 "Buckets migrated after idle timer change"
+
+ $IP nexthop flush >/dev/null 2>&1
+}
+
################################################################################
# usage
--
2.26.2
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