#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# This test is for checking the nexthop offload API. It makes use of netdevsim
# which registers a listener to the nexthop notification chain.
lib_dir=$(dirname $0)/../../../net/forwarding
ALL_TESTS="
nexthop_single_add_test
nexthop_single_add_err_test
nexthop_group_add_test
nexthop_group_add_err_test
nexthop_res_group_add_test
nexthop_res_group_add_err_test
nexthop_group_replace_test
nexthop_group_replace_err_test
nexthop_res_group_replace_test
nexthop_res_group_replace_err_test
nexthop_res_group_idle_timer_test
nexthop_res_group_idle_timer_del_test
nexthop_res_group_increase_idle_timer_test
nexthop_res_group_decrease_idle_timer_test
nexthop_res_group_unbalanced_timer_test
nexthop_res_group_unbalanced_timer_del_test
nexthop_res_group_no_unbalanced_timer_test
nexthop_res_group_short_unbalanced_timer_test
nexthop_res_group_increase_unbalanced_timer_test
nexthop_res_group_decrease_unbalanced_timer_test
nexthop_res_group_force_migrate_busy_test
nexthop_single_replace_test
nexthop_single_replace_err_test
nexthop_single_in_group_replace_test
nexthop_single_in_group_replace_err_test
nexthop_single_in_res_group_replace_test
nexthop_single_in_res_group_replace_err_test
nexthop_single_in_group_delete_test
nexthop_single_in_group_delete_err_test
nexthop_single_in_res_group_delete_test
nexthop_single_in_res_group_delete_err_test
nexthop_replay_test
nexthop_replay_err_test
"
NETDEVSIM_PATH=/sys/bus/netdevsim/
DEV_ADDR=1337
DEV=netdevsim${DEV_ADDR}
SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV/net/
DEBUGFS_NET_DIR=/sys/kernel/debug/netdevsim/$DEV/
NUM_NETIFS=0
source $lib_dir/lib.sh
DEVLINK_DEV=
source $lib_dir/devlink_lib.sh
DEVLINK_DEV=netdevsim/${DEV}
nexthop_check()
{
local nharg="$1"; shift
local expected="$1"; shift
out=$($IP nexthop show ${nharg} | sed -e 's/ *$//')
if [[ "$out" != "$expected" ]]; then
return 1
fi
return 0
}
nexthop_bucket_nhid_count_check()
{
local group_id=$1; shift
local expected
local count
local nhid
local ret
while (($# > 0)); do
nhid=$1; shift
expected=$1; shift
count=$($IP nexthop bucket show id $group_id nhid $nhid |
grep "trap" | wc -l)
if ((expected != count)); then
return 1
fi
done
return 0
}
nexthop_resource_check()
{
local expected_occ=$1; shift
occ=$($DEVLINK -jp resource show $DEVLINK_DEV \
| jq '.[][][] | select(.name=="nexthops") | .["occ"]')
if [ $expected_occ -ne $occ ]; then
return 1
fi
return 0
}
nexthop_resource_set()
{
local size=$1; shift
$DEVLINK resource set $DEVLINK_DEV path nexthops size $size
$DEVLINK dev reload $DEVLINK_DEV
}
nexthop_single_add_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
nexthop_check "id 1" "id 1 via 192.0.2.2 dev dummy1 scope link trap"
check_err $? "Unexpected nexthop entry"
nexthop_resource_check 1
check_err $? "Wrong nexthop occupancy"
$IP nexthop del id 1
nexthop_resource_check 0
check_err $? "Wrong nexthop occupancy after delete"
log_test "Single nexthop add and delete"
}
nexthop_single_add_err_test()
{
RET=0
nexthop_resource_set 1
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1 &> /dev/null
check_fail $? "Nexthop addition succeeded when should fail"
nexthop_resource_check 1
check_err $? "Wrong nexthop occupancy"
log_test "Single nexthop add failure"
$IP nexthop flush &> /dev/null
nexthop_resource_set 9999
}
nexthop_group_add_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2
nexthop_check "id 10" "id 10 group 1/2 trap"
check_err $? "Unexpected nexthop group entry"
nexthop_resource_check 4
check_err $? "Wrong nexthop occupancy"
$IP nexthop del id 10
nexthop_resource_check 2
check_err $? "Wrong nexthop occupancy after delete"
$IP nexthop add id 10 group 1,20/2,39
nexthop_check "id 10" "id 10 group 1,20/2,39 trap"
check_err $? "Unexpected weighted nexthop group entry"
nexthop_resource_check 61
check_err $? "Wrong weighted nexthop occupancy"
$IP nexthop del id 10
nexthop_resource_check 2
check_err $? "Wrong nexthop occupancy after delete"
log_test "Nexthop group add and delete"
$IP nexthop flush &> /dev/null
}
nexthop_group_add_err_test()
{
RET=0
nexthop_resource_set 2
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2 &> /dev/null
check_fail $? "Nexthop group addition succeeded when should fail"
nexthop_resource_check 2
check_err $? "Wrong nexthop occupancy"
log_test "Nexthop group add failure"
$IP nexthop flush &> /dev/null
nexthop_resource_set 9999
}
nexthop_res_group_add_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2 type resilient buckets 4
nexthop_check "id 10" "id 10 group 1/2 type resilient buckets 4 idle_timer 120 unbalanced_timer 0 unbalanced_time 0 trap"
check_err $? "Unexpected nexthop group entry"
nexthop_bucket_nhid_count_check 10 1 2
check_err $? "Wrong nexthop buckets count"
nexthop_bucket_nhid_count_check 10 2 2
check_err $? "Wrong nexthop buckets count"
nexthop_resource_check 6
check_err $? "Wrong nexthop occupancy"
$IP nexthop del id 10
nexthop_resource_check 2
check_err $? "Wrong nexthop occupancy after delete"
$IP nexthop add id 10 group 1,3/2,2 type resilient buckets 5
nexthop_check "id 10" "id 10 group 1,3/2,2 type resilient buckets 5 idle_timer 120 unbalanced_timer 0 unbalanced_time 0 trap"
check_err $? "Unexpected weighted nexthop group entry"
nexthop_bucket_nhid_count_check 10 1 3
check_err $? "Wrong nexthop buckets count"
nexthop_bucket_nhid_count_check 10 2 2
check_err $? "Wrong nexthop buckets count"
nexthop_resource_check 7
check_err $? "Wrong weighted nexthop occupancy"
$IP nexthop del id 10
nexthop_resource_check 2
check_err $? "Wrong nexthop occupancy after delete"
log_test "Resilient nexthop group add and delete"
$IP nexthop flush &> /dev/null
}
nexthop_res_group_add_err_test()
{
RET=0
nexthop_resource_set 2
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2 type resilient buckets 4 &> /dev/null
check_fail $? "Nexthop group addition succeeded when should fail"
nexthop_resource_check 2
check_err $? "Wrong nexthop occupancy"
log_test "Resilient nexthop group add failure"
$IP nexthop flush &> /dev/null
nexthop_resource_set 9999
}
nexthop_group_replace_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 3 via 192.0.2.4 dev dummy1
$IP nexthop add id 10 group 1/2
$IP nexthop replace id 10 group 1/2/3
nexthop_check "id 10" "id 10 group 1/2/3 trap"
check_err $? "Unexpected nexthop group entry"
nexthop_resource_check 6
check_err $? "Wrong nexthop occupancy"
log_test "Nexthop group replace"
$IP nexthop flush &> /dev/null
}
nexthop_group_replace_err_test()
{
RET=0
nexthop_resource_set 5
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 3 via 192.0.2.4 dev dummy1
$IP nexthop add id 10 group 1/2
$IP nexthop replace id 10 group 1/2/3 &> /dev/null
check_fail $? "Nexthop group replacement succeeded when should fail"
nexthop_check "id 10" "id 10 group 1/2 trap"
check_err $? "Unexpected nexthop group entry after failure"
nexthop_resource_check 5
check_err $? "Wrong nexthop occupancy after failure"
log_test "Nexthop group replace failure"
$IP nexthop flush &> /dev/null
nexthop_resource_set 9999
}
nexthop_res_group_replace_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 3 via 192.0.2.4 dev dummy1
$IP nexthop add id 10 group 1/2 type resilient buckets 6
$IP nexthop replace id 10 group 1/2/3 type resilient
nexthop_check "id 10" "id 10 group 1/2/3 type resilient buckets 6 idle_timer 120 unbalanced_timer 0 unbalanced_time 0 trap"
check_err $? "Unexpected nexthop group entry"
nexthop_bucket_nhid_count_check 10 1 2
check_err $? "Wrong nexthop buckets count"
nexthop_bucket_nhid_count_check 10 2 2
check_err $? "Wrong nexthop buckets count"
nexthop_bucket_nhid_count_check 10 3 2
check_err $? "Wrong nexthop buckets count"
nexthop_resource_check 9
check_err $? "Wrong nexthop occupancy"
log_test "Resilient nexthop group replace"
$IP nexthop flush &> /dev/null
}
nexthop_res_group_replace_err_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 3 via 192.0.2.4 dev dummy1
$IP nexthop add id 10 group 1/2 type resilient buckets 6
ip netns exec testns1 \
echo 1 > $DEBUGFS_NET_DIR/fib/fail_res_nexthop_group_replace
$IP nexthop replace id 10 group 1/2/3 type resilient &> /dev/null
check_fail $? "Nexthop group replacement succeeded when should fail"
nexthop_check "id 10" "id 10 group 1/2 type resilient buckets 6 idle_timer 120 unbalanced_timer 0 unbalanced_time 0 trap"
check_err $? "Unexpected nexthop group entry after failure"
nexthop_bucket_nhid_count_check 10 1 3
check_err $? "Wrong nexthop buckets count"
nexthop_bucket_nhid_count_check 10 2 3
check_err $? "Wrong nexthop buckets count"
nexthop_resource_check 9
check_err $? "Wrong nexthop occupancy after failure"
log_test "Resilient nexthop group replace failure"
$IP nexthop flush &> /dev/null
ip netns exec testns1 \
echo 0 > $DEBUGFS_NET_DIR/fib/fail_res_nexthop_group_replace
}
nexthop_res_mark_buckets_busy()
{
local group_id=$1; shift
local nhid=$1; shift
local count=$1; shift
local index
for index in $($IP -j nexthop bucket show id $group_id nhid $nhid |
jq '.[].bucket.index' | head -n ${count:--0})
do
echo $group_id $index \
> $DEBUGFS_NET_DIR/fib/nexthop_bucket_activity
done
}
nexthop_res_num_nhid_buckets()
{
local group_id=$1; shift
local nhid=$1; shift
$IP -j nexthop bucket show id $group_id nhid $nhid | jq length
}
nexthop_res_group_idle_timer_test()
{
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
RET=0
$IP nexthop add id 10 group 1/2 type resilient buckets 8 idle_timer 4
nexthop_res_mark_buckets_busy 10 1
$IP nexthop replace id 10 group 1/2,3 type resilient
nexthop_bucket_nhid_count_check 10 1 4 2 4
check_err $? "Group expected to be unbalanced"
sleep 6
nexthop_bucket_nhid_count_check 10 1 2 2 6
check_err $? "Group expected to be balanced"
log_test "Bucket migration after idle timer"
$IP nexthop flush &> /dev/null
}
nexthop_res_group_idle_timer_del_test()
{
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 3 via 192.0.2.3 dev dummy1
RET=0
$IP nexthop add id 10 group 1,50/2,50/3,1 \
type resilient buckets 8 idle_timer 6
nexthop_res_mark_buckets_busy 10 1
$IP nexthop replace id 10 group 1,50/2,150/3,1 type resilient
nexthop_bucket_nhid_count_check 10 1 4 2 4 3 0
check_err $? "Group expected to be unbalanced"
sleep 4
# Deletion prompts group replacement. Check that the bucket timers
# are kept.
$IP nexthop delete id 3
nexthop_bucket_nhid_count_check 10 1 4 2 4
check_err $? "Group expected to still be unbalanced"
sleep 4
nexthop_bucket_nhid_count_check 10 1 2 2 6
check_err $? "Group expected to be balanced"
log_test "Bucket migration after idle timer (with delete)"
$IP nexthop flush &> /dev/null
}
__nexthop_res_group_increase_timer_test()
{
local timer=$1; shift
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
RET=0
$IP nexthop add id 10 group 1/2 type resilient buckets 8 $timer 4
nexthop_res_mark_buckets_busy 10 1
$IP nexthop replace id 10 group 1/2,3 type resilient
nexthop_bucket_nhid_count_check 10 2 6
check_fail $? "Group expected to be unbalanced"
sleep 2
$IP nexthop replace id 10 group 1/2,3 type resilient $timer 8
sleep 4
# 6 seconds, past the original timer.
nexthop_bucket_nhid_count_check 10 2 6
check_fail $? "Group still expected to be unbalanced"
sleep 4
# 10 seconds, past the new timer.
nexthop_bucket_nhid_count_check 10 2 6
check_err $? "Group expected to be balanced"
log_test "Bucket migration after $timer increase"
$IP nexthop flush &> /dev/null
}
__nexthop_res_group_decrease_timer_test()
{
local timer=$1; shift
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
RET=0
$IP nexthop add id 10 group 1/2 type resilient buckets 8 $timer 8
nexthop_res_mark_buckets_busy 10 1
$IP nexthop replace id 10 group 1/2,3 type resilient
nexthop_bucket_nhid_count_check 10 2 6
check_fail $? "Group expected to be unbalanced"
sleep 2
$IP nexthop replace id 10 group 1/2,3 type resilient $timer 4
sleep 4
# 6 seconds, past the new timer, before the old timer.
nexthop_bucket_nhid_count_check 10 2 6
check_err $? "Group expected to be balanced"
log_test "Bucket migration after $timer decrease"
$IP nexthop flush &> /dev/null
}
__nexthop_res_group_increase_timer_del_test()
{
local timer=$1; shift
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 3 via 192.0.2.3 dev dummy1
RET=0
$IP nexthop add id 10 group 1,100/2,100/3,1 \
type resilient buckets 8 $timer 4
nexthop_res_mark_buckets_busy 10 1
$IP nexthop replace id 10 group 1,100/2,300/3,1 type resilient
nexthop_bucket_nhid_count_check 10 2 6
check_fail $? "Group expected to be unbalanced"
sleep 2
$IP nexthop replace id 10 group 1/2,3 type resilient $timer 8
sleep 4
# 6 seconds, past the original timer.
nexthop_bucket_nhid_count_check 10 2 6
check_fail $? "Group still expected to be unbalanced"
sleep 4
# 10 seconds, past the new timer.
nexthop_bucket_nhid_count_check 10 2 6
check_err $? "Group expected to be balanced"
log_test "Bucket migration after $timer increase"
$IP nexthop flush &> /dev/null
}
nexthop_res_group_increase_idle_timer_test()
{
__nexthop_res_group_increase_timer_test idle_timer
}
nexthop_res_group_decrease_idle_timer_test()
{
__nexthop_res_group_decrease_timer_test idle_timer
}
nexthop_res_group_unbalanced_timer_test()
{
local i
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
RET=0
$IP nexthop add id 10 group 1/2 type resilient \
buckets 8 idle_timer 6 unbalanced_timer 10
nexthop_res_mark_buckets_busy 10 1
$IP nexthop replace id 10 group 1/2,3 type resilient
for i in 1 2; do
sleep 4
nexthop_bucket_nhid_count_check 10 1 4 2 4
check_err $? "$i: Group expected to be unbalanced"
nexthop_res_mark_buckets_busy 10 1
done
# 3 x sleep 4 > unbalanced timer 10
sleep 4
nexthop_bucket_nhid_count_check 10 1 2 2 6
check_err $? "Group expected to be balanced"
log_test "Bucket migration after unbalanced timer"
$IP nexthop flush &> /dev/null
}
nexthop_res_group_unbalanced_timer_del_test()
{
local i
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 3 via 192.0.2.3 dev dummy1
RET=0
$IP nexthop add id 10 group 1,50/2,50/3,1 type resilient \
buckets 8 idle_timer 6 unbalanced_timer 10
nexthop_res_mark_buckets_busy 10 1
$IP nexthop replace id 10 group 1,50/2,150/3,1 type resilient
# Check that NH delete does not reset unbalanced time.
sleep 4
$IP nexthop delete id 3
nexthop_bucket_nhid_count_check 10 1 4 2 4
check_err $? "1: Group expected to be unbalanced"
nexthop_res_mark_buckets_busy 10 1
sleep 4
nexthop_bucket_nhid_count_check 10 1 4 2 4
check_err $? "2: Group expected to be unbalanced"
nexthop_res_mark_buckets_busy 10 1
# 3 x sleep 4 > unbalanced timer 10
sleep 4
nexthop_bucket_nhid_count_check 10 1 2 2 6
check_err $? "Group expected to be balanced"
log_test "Bucket migration after unbalanced timer (with delete)"
$IP nexthop flush &> /dev/null
}
nexthop_res_group_no_unbalanced_timer_test()
{
local i
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
RET=0
$IP nexthop add id 10 group 1/2 type resilient buckets 8
nexthop_res_mark_buckets_busy 10 1
$IP nexthop replace id 10 group 1/2,3 type resilient
for i in $(seq 3); do
sleep 60
nexthop_bucket_nhid_count_check 10 2 6
check_fail $? "$i: Group expected to be unbalanced"
nexthop_res_mark_buckets_busy 10 1
done
log_test "Buckets never force-migrated without unbalanced timer"
$IP nexthop flush &> /dev/null
}
nexthop_res_group_short_unbalanced_timer_test()
{
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
RET=0
$IP nexthop add id 10 group 1/2 type resilient \
buckets 8 idle_timer 120 unbalanced_timer 4
nexthop_res_mark_buckets_busy 10 1
$IP nexthop replace id 10 group 1/2,3 type resilient
nexthop_bucket_nhid_count_check 10 2 6
check_fail $? "Group expected to be unbalanced"
sleep 5
nexthop_bucket_nhid_count_check 10 2 6
check_err $? "Group expected to be balanced"
log_test "Bucket migration after unbalanced < idle timer"
$IP nexthop flush &> /dev/null
}
nexthop_res_group_increase_unbalanced_timer_test()
{
__nexthop_res_group_increase_timer_test unbalanced_timer
}
nexthop_res_group_decrease_unbalanced_timer_test()
{
__nexthop_res_group_decrease_timer_test unbalanced_timer
}
nexthop_res_group_force_migrate_busy_test()
{
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
RET=0
$IP nexthop add id 10 group 1/2 type resilient \
buckets 8 idle_timer 120
nexthop_res_mark_buckets_busy 10 1
$IP nexthop replace id 10 group 1/2,3 type resilient
nexthop_bucket_nhid_count_check 10 2 6
check_fail $? "Group expected to be unbalanced"
$IP nexthop replace id 10 group 2 type resilient
nexthop_bucket_nhid_count_check 10 2 8
check_err $? "All buckets expected to have migrated"
log_test "Busy buckets force-migrated when NH removed"
$IP nexthop flush &> /dev/null
}
nexthop_single_replace_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop replace id 1 via 192.0.2.3 dev dummy1
nexthop_check "id 1" "id 1 via 192.0.2.3 dev dummy1 scope link trap"
check_err $? "Unexpected nexthop entry"
nexthop_resource_check 1
check_err $? "Wrong nexthop occupancy"
log_test "Single nexthop replace"
$IP nexthop flush &> /dev/null
}
nexthop_single_replace_err_test()
{
RET=0
# This is supposed to cause the replace to fail because the new nexthop
# is programmed before deleting the replaced one.
nexthop_resource_set 1
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop replace id 1 via 192.0.2.3 dev dummy1 &> /dev/null
check_fail $? "Nexthop replace succeeded when should fail"
nexthop_check "id 1" "id 1 via 192.0.2.2 dev dummy1 scope link trap"
check_err $? "Unexpected nexthop entry after failure"
nexthop_resource_check 1
check_err $? "Wrong nexthop occupancy after failure"
log_test "Single nexthop replace failure"
$IP nexthop flush &> /dev/null
nexthop_resource_set 9999
}
nexthop_single_in_group_replace_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2
$IP nexthop replace id 1 via 192.0.2.4 dev dummy1
check_err $? "Failed to replace nexthop when should not"
nexthop_check "id 10" "id 10 group 1/2 trap"
check_err $? "Unexpected nexthop group entry"
nexthop_resource_check 4
check_err $? "Wrong nexthop occupancy"
log_test "Single nexthop replace while in group"
$IP nexthop flush &> /dev/null
}
nexthop_single_in_group_replace_err_test()
{
RET=0
nexthop_resource_set 5
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2
$IP nexthop replace id 1 via 192.0.2.4 dev dummy1 &> /dev/null
check_fail $? "Nexthop replacement succeeded when should fail"
nexthop_check "id 1" "id 1 via 192.0.2.2 dev dummy1 scope link trap"
check_err $? "Unexpected nexthop entry after failure"
nexthop_check "id 10" "id 10 group 1/2 trap"
check_err $? "Unexpected nexthop group entry after failure"
nexthop_resource_check 4
check_err $? "Wrong nexthop occupancy"
log_test "Single nexthop replace while in group failure"
$IP nexthop flush &> /dev/null
nexthop_resource_set 9999
}
nexthop_single_in_res_group_replace_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2 type resilient buckets 4
$IP nexthop replace id 1 via 192.0.2.4 dev dummy1
check_err $? "Failed to replace nexthop when should not"
nexthop_check "id 10" "id 10 group 1/2 type resilient buckets 4 idle_timer 120 unbalanced_timer 0 unbalanced_time 0 trap"
check_err $? "Unexpected nexthop group entry"
nexthop_bucket_nhid_count_check 10 1 2 2 2
check_err $? "Wrong nexthop buckets count"
nexthop_resource_check 6
check_err $? "Wrong nexthop occupancy"
log_test "Single nexthop replace while in resilient group"
$IP nexthop flush &> /dev/null
}
nexthop_single_in_res_group_replace_err_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2 type resilient buckets 4
ip netns exec testns1 \
echo 1 > $DEBUGFS_NET_DIR/fib/fail_nexthop_bucket_replace
$IP nexthop replace id 1 via 192.0.2.4 dev dummy1 &> /dev/null
check_fail $? "Nexthop replacement succeeded when should fail"
nexthop_check "id 1" "id 1 via 192.0.2.2 dev dummy1 scope link trap"
check_err $? "Unexpected nexthop entry after failure"
nexthop_check "id 10" "id 10 group 1/2 type resilient buckets 4 idle_timer 120 unbalanced_timer 0 unbalanced_time 0 trap"
check_err $? "Unexpected nexthop group entry after failure"
nexthop_bucket_nhid_count_check 10 1 2 2 2
check_err $? "Wrong nexthop buckets count"
nexthop_resource_check 6
check_err $? "Wrong nexthop occupancy"
log_test "Single nexthop replace while in resilient group failure"
$IP nexthop flush &> /dev/null
ip netns exec testns1 \
echo 0 > $DEBUGFS_NET_DIR/fib/fail_nexthop_bucket_replace
}
nexthop_single_in_group_delete_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2
$IP nexthop del id 1
nexthop_check "id 10" "id 10 group 2 trap"
check_err $? "Unexpected nexthop group entry"
nexthop_resource_check 2
check_err $? "Wrong nexthop occupancy"
log_test "Single nexthop delete while in group"
$IP nexthop flush &> /dev/null
}
nexthop_single_in_group_delete_err_test()
{
RET=0
# First, nexthop 1 will be deleted, which will reduce the occupancy to
# 5. Afterwards, a replace notification will be sent for nexthop group
# 10 with only two nexthops. Since the new group is allocated before
# the old is deleted, the replacement will fail as it will result in an
# occupancy of 7.
nexthop_resource_set 6
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 3 via 192.0.2.4 dev dummy1
$IP nexthop add id 10 group 1/2/3
$IP nexthop del id 1
nexthop_resource_check 5
check_err $? "Wrong nexthop occupancy"
log_test "Single nexthop delete while in group failure"
$IP nexthop flush &> /dev/null
nexthop_resource_set 9999
}
nexthop_single_in_res_group_delete_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2 type resilient buckets 4
$IP nexthop del id 1
nexthop_check "id 10" "id 10 group 2 type resilient buckets 4 idle_timer 120 unbalanced_timer 0 unbalanced_time 0 trap"
check_err $? "Unexpected nexthop group entry"
nexthop_bucket_nhid_count_check 10 2 4
check_err $? "Wrong nexthop buckets count"
nexthop_resource_check 5
check_err $? "Wrong nexthop occupancy"
log_test "Single nexthop delete while in resilient group"
$IP nexthop flush &> /dev/null
}
nexthop_single_in_res_group_delete_err_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 3 via 192.0.2.4 dev dummy1
$IP nexthop add id 10 group 1/2/3 type resilient buckets 6
ip netns exec testns1 \
echo 1 > $DEBUGFS_NET_DIR/fib/fail_nexthop_bucket_replace
$IP nexthop del id 1
# We failed to replace the two nexthop buckets that were originally
# assigned to nhid 1.
nexthop_bucket_nhid_count_check 10 2 2 3 2
check_err $? "Wrong nexthop buckets count"
nexthop_resource_check 8
check_err $? "Wrong nexthop occupancy"
log_test "Single nexthop delete while in resilient group failure"
$IP nexthop flush &> /dev/null
ip netns exec testns1 \
echo 0 > $DEBUGFS_NET_DIR/fib/fail_nexthop_bucket_replace
}
nexthop_replay_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2
$DEVLINK dev reload $DEVLINK_DEV
check_err $? "Failed to reload when should not"
nexthop_check "id 1" "id 1 via 192.0.2.2 dev dummy1 scope link trap"
check_err $? "Unexpected nexthop entry after reload"
nexthop_check "id 2" "id 2 via 192.0.2.3 dev dummy1 scope link trap"
check_err $? "Unexpected nexthop entry after reload"
nexthop_check "id 10" "id 10 group 1/2 trap"
check_err $? "Unexpected nexthop group entry after reload"
nexthop_resource_check 4
check_err $? "Wrong nexthop occupancy"
log_test "Nexthop replay"
$IP nexthop flush &> /dev/null
}
nexthop_replay_err_test()
{
RET=0
$IP nexthop add id 1 via 192.0.2.2 dev dummy1
$IP nexthop add id 2 via 192.0.2.3 dev dummy1
$IP nexthop add id 10 group 1/2
# Reduce size of nexthop resource so that reload will fail.
$DEVLINK resource set $DEVLINK_DEV path nexthops size 3
$DEVLINK dev reload $DEVLINK_DEV &> /dev/null
check_fail $? "Reload succeeded when should fail"
$DEVLINK resource set $DEVLINK_DEV path nexthops size 9999
$DEVLINK dev reload $DEVLINK_DEV
check_err $? "Failed to reload when should not"
log_test "Nexthop replay failure"
$IP nexthop flush &> /dev/null
}
setup_prepare()
{
local netdev
modprobe netdevsim &> /dev/null
echo "$DEV_ADDR 1" > ${NETDEVSIM_PATH}/new_device
while [ ! -d $SYSFS_NET_DIR ] ; do :; done
set -e
ip netns add testns1
devlink dev reload $DEVLINK_DEV netns testns1
IP="ip -netns testns1"
DEVLINK="devlink -N testns1"
$IP link add name dummy1 up type dummy
$IP address add 192.0.2.1/24 dev dummy1
set +e
}
cleanup()
{
pre_cleanup
ip netns del testns1
echo "$DEV_ADDR" > ${NETDEVSIM_PATH}/del_device
modprobe -r netdevsim &> /dev/null
}
trap cleanup EXIT
setup_prepare
tests_run
exit $EXIT_STATUS
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