# SPDX-License-Identifier: GPL-2.0
#
# Various helpers and tests to verify FIB offload.
__fib_trap_check()
{
local ns=$1; shift
local family=$1; shift
local route=$1; shift
local should_fail=$1; shift
local ret
ip -n $ns -j -p -$family route show $route \
| jq -e '.[]["flags"] | contains(["trap"])' &> /dev/null
ret=$?
if [[ $should_fail == "true" ]]; then
if [[ $ret -ne 0 ]]; then
return 0
else
return 1
fi
fi
return $ret
}
fib_trap_check()
{
local ns=$1; shift
local family=$1; shift
local route=$1; shift
local should_fail=$1; shift
busywait 5000 __fib_trap_check $ns $family "$route" $should_fail
}
fib4_trap_check()
{
local ns=$1; shift
local route=$1; shift
local should_fail=$1; shift
fib_trap_check $ns 4 "$route" $should_fail
}
fib6_trap_check()
{
local ns=$1; shift
local route=$1; shift
local should_fail=$1; shift
fib_trap_check $ns 6 "$route" $should_fail
}
fib_ipv4_identical_routes_test()
{
local ns=$1; shift
local i
RET=0
for i in $(seq 1 3); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
done
ip -n $ns route add 192.0.2.0/24 dev dummy1 tos 0 metric 1024
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 tos 0 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route append 192.0.2.0/24 dev dummy2 tos 0 metric 1024
fib4_trap_check $ns "192.0.2.0/24 dev dummy2 tos 0 metric 1024" true
check_err $? "Appended route in hardware when should not"
ip -n $ns route prepend 192.0.2.0/24 dev dummy3 tos 0 metric 1024
fib4_trap_check $ns "192.0.2.0/24 dev dummy3 tos 0 metric 1024" false
check_err $? "Prepended route not in hardware when should"
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 tos 0 metric 1024" true
check_err $? "Route was not replaced in hardware by prepended one"
log_test "IPv4 identical routes"
for i in $(seq 1 3); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv4_tos_test()
{
local ns=$1; shift
RET=0
ip -n $ns link add name dummy1 type dummy
ip -n $ns link set dev dummy1 up
ip -n $ns route add 192.0.2.0/24 dev dummy1 tos 0 metric 1024
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 tos 0 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route add 192.0.2.0/24 dev dummy1 tos 8 metric 1024
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 tos 8 metric 1024" false
check_err $? "Highest TOS route not in hardware when should"
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 tos 0 metric 1024" true
check_err $? "Lowest TOS route still in hardware when should not"
ip -n $ns route add 192.0.2.0/24 dev dummy1 tos 4 metric 1024
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 tos 4 metric 1024" true
check_err $? "Middle TOS route in hardware when should not"
log_test "IPv4 routes with TOS"
ip -n $ns link del dev dummy1
}
fib_ipv4_metric_test()
{
local ns=$1; shift
RET=0
ip -n $ns link add name dummy1 type dummy
ip -n $ns link set dev dummy1 up
ip -n $ns route add 192.0.2.0/24 dev dummy1 metric 1024
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route add 192.0.2.0/24 dev dummy1 metric 1022
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 metric 1022" false
check_err $? "Lowest metric route not in hardware when should"
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 metric 1024" true
check_err $? "Highest metric route still in hardware when should not"
ip -n $ns route add 192.0.2.0/24 dev dummy1 metric 1023
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 metric 1023" true
check_err $? "Middle metric route in hardware when should not"
log_test "IPv4 routes with metric"
ip -n $ns link del dev dummy1
}
fib_ipv4_replace_test()
{
local ns=$1; shift
local i
RET=0
for i in $(seq 1 2); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
done
ip -n $ns route add 192.0.2.0/24 dev dummy1 metric 1024
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route replace 192.0.2.0/24 dev dummy2 metric 1024
fib4_trap_check $ns "192.0.2.0/24 dev dummy2 metric 1024" false
check_err $? "Replacement route not in hardware when should"
# Add a route with an higher metric and make sure that replacing it
# does not affect the lower metric one.
ip -n $ns route add 192.0.2.0/24 dev dummy1 metric 1025
ip -n $ns route replace 192.0.2.0/24 dev dummy2 metric 1025
fib4_trap_check $ns "192.0.2.0/24 dev dummy2 metric 1024" false
check_err $? "Lowest metric route not in hardware when should"
fib4_trap_check $ns "192.0.2.0/24 dev dummy2 metric 1025" true
check_err $? "Highest metric route in hardware when should not"
log_test "IPv4 route replace"
for i in $(seq 1 2); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv4_delete_test()
{
local ns=$1; shift
local metric
RET=0
ip -n $ns link add name dummy1 type dummy
ip -n $ns link set dev dummy1 up
# Insert multiple routes with the same prefix and length and varying
# metrics. Make sure that throughout delete operations the lowest
# metric route is the one in hardware.
for metric in $(seq 1024 1026); do
ip -n $ns route add 192.0.2.0/24 dev dummy1 metric $metric
done
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route del 192.0.2.0/24 dev dummy1 metric 1024
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 metric 1025" false
check_err $? "Lowest metric route not in hardware when should"
ip -n $ns route del 192.0.2.0/24 dev dummy1 metric 1026
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 metric 1025" false
check_err $? "Sole route not in hardware when should"
log_test "IPv4 route delete"
ip -n $ns link del dev dummy1
}
fib_ipv4_plen_test()
{
local ns=$1; shift
RET=0
ip -n $ns link add name dummy1 type dummy
ip -n $ns link set dev dummy1 up
# Add two routes with the same key and different prefix length and
# make sure both are in hardware. It can be verified that both are
# sharing the same leaf by checking the /proc/net/fib_trie
ip -n $ns route add 192.0.2.0/24 dev dummy1
ip -n $ns route add 192.0.2.0/25 dev dummy1
fib4_trap_check $ns "192.0.2.0/24 dev dummy1" false
check_err $? "/24 not in hardware when should"
fib4_trap_check $ns "192.0.2.0/25 dev dummy1" false
check_err $? "/25 not in hardware when should"
log_test "IPv4 routes with different prefix length"
ip -n $ns link del dev dummy1
}
fib_ipv4_replay_metric_test()
{
local ns=$1; shift
local devlink_dev=$1; shift
RET=0
ip -n $ns link add name dummy1 type dummy
ip -n $ns link set dev dummy1 up
ip -n $ns route add 192.0.2.0/24 dev dummy1 metric 1024
ip -n $ns route add 192.0.2.0/24 dev dummy1 metric 1025
devlink -N $ns dev reload $devlink_dev
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 metric 1024" false
check_err $? "Lowest metric route not in hardware when should"
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 metric 1025" true
check_err $? "Highest metric route in hardware when should not"
log_test "IPv4 routes replay - metric"
ip -n $ns link del dev dummy1
}
fib_ipv4_replay_tos_test()
{
local ns=$1; shift
local devlink_dev=$1; shift
RET=0
ip -n $ns link add name dummy1 type dummy
ip -n $ns link set dev dummy1 up
ip -n $ns route add 192.0.2.0/24 dev dummy1 tos 0
ip -n $ns route add 192.0.2.0/24 dev dummy1 tos 4
devlink -N $ns dev reload $devlink_dev
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 tos 4" false
check_err $? "Highest TOS route not in hardware when should"
fib4_trap_check $ns "192.0.2.0/24 dev dummy1 tos 0" true
check_err $? "Lowest TOS route in hardware when should not"
log_test "IPv4 routes replay - TOS"
ip -n $ns link del dev dummy1
}
fib_ipv4_replay_plen_test()
{
local ns=$1; shift
local devlink_dev=$1; shift
RET=0
ip -n $ns link add name dummy1 type dummy
ip -n $ns link set dev dummy1 up
ip -n $ns route add 192.0.2.0/24 dev dummy1
ip -n $ns route add 192.0.2.0/25 dev dummy1
devlink -N $ns dev reload $devlink_dev
fib4_trap_check $ns "192.0.2.0/24 dev dummy1" false
check_err $? "/24 not in hardware when should"
fib4_trap_check $ns "192.0.2.0/25 dev dummy1" false
check_err $? "/25 not in hardware when should"
log_test "IPv4 routes replay - prefix length"
ip -n $ns link del dev dummy1
}
fib_ipv4_flush_test()
{
local ns=$1; shift
local metric
RET=0
ip -n $ns link add name dummy1 type dummy
ip -n $ns link set dev dummy1 up
# Exercise the routes flushing code paths by inserting various
# prefix routes on a netdev and then deleting it.
for metric in $(seq 1 20); do
ip -n $ns route add 192.0.2.0/24 dev dummy1 metric $metric
done
ip -n $ns link del dev dummy1
log_test "IPv4 routes flushing"
}
fib_ipv6_add_test()
{
local ns=$1; shift
RET=0
for i in $(seq 1 2); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
done
ip -n $ns route add 2001:db8:1::/64 dev dummy1 metric 1024
fib6_trap_check $ns "2001:db8:1::/64 dev dummy1 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route append 2001:db8:1::/64 dev dummy2 metric 1024
fib6_trap_check $ns "2001:db8:1::/64 dev dummy2 metric 1024" true
check_err $? "Route in hardware when should not"
fib6_trap_check $ns "2001:db8:1::/64 dev dummy1 metric 1024" false
check_err $? "Route not in hardware after appending route"
log_test "IPv6 single route add"
for i in $(seq 1 2); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv6_metric_test()
{
local ns=$1; shift
RET=0
ip -n $ns link add name dummy1 type dummy
ip -n $ns link set dev dummy1 up
ip -n $ns route add 2001:db8:1::/64 dev dummy1 metric 1024
fib6_trap_check $ns "2001:db8:1::/64 dev dummy1 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route add 2001:db8:1::/64 dev dummy1 metric 1022
fib6_trap_check $ns "2001:db8:1::/64 dev dummy1 metric 1022" false
check_err $? "Lowest metric route not in hardware when should"
fib6_trap_check $ns "2001:db8:1::/64 dev dummy1 metric 1024" true
check_err $? "Highest metric route still in hardware when should not"
ip -n $ns route add 2001:db8:1::/64 dev dummy1 metric 1023
fib6_trap_check $ns "2001:db8:1::/64 dev dummy1 metric 1023" true
check_err $? "Middle metric route in hardware when should not"
log_test "IPv6 routes with metric"
ip -n $ns link del dev dummy1
}
fib_ipv6_append_single_test()
{
local ns=$1; shift
# When an IPv6 multipath route is added without the 'nexthop' keyword,
# different code paths are taken compared to when the keyword is used.
# This test tries to verify the former.
RET=0
for i in $(seq 1 2); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
ip -n $ns address add 2001:db8:$i::1/64 dev dummy$i
done
ip -n $ns route add 2001:db8:10::/64 via 2001:db8:1::2 metric 1024
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route append 2001:db8:10::/64 via 2001:db8:2::2 metric 1024
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Route not in hardware after appending"
ip -n $ns route add 2001:db8:10::/64 via 2001:db8:1::2 metric 1025
fib6_trap_check $ns "2001:db8:10::/64 metric 1025" true
check_err $? "Route in hardware when should not"
ip -n $ns route append 2001:db8:10::/64 via 2001:db8:2::2 metric 1025
fib6_trap_check $ns "2001:db8:10::/64 metric 1025" true
check_err $? "Route in hardware when should not after appending"
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Lowest metric route not in hardware when should"
log_test "IPv6 append single route without 'nexthop' keyword"
for i in $(seq 1 2); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv6_replace_single_test()
{
local ns=$1; shift
local i
RET=0
for i in $(seq 1 2); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
done
ip -n $ns route add 2001:db8:1::/64 dev dummy1 metric 1024
fib6_trap_check $ns "2001:db8:1::/64 dev dummy1 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route replace 2001:db8:1::/64 dev dummy2 metric 1024
fib6_trap_check $ns "2001:db8:1::/64 dev dummy2 metric 1024" false
check_err $? "Replacement route not in hardware when should"
# Add a route with an higher metric and make sure that replacing it
# does not affect the lower metric one.
ip -n $ns route add 2001:db8:1::/64 dev dummy1 metric 1025
ip -n $ns route replace 2001:db8:1::/64 dev dummy2 metric 1025
fib6_trap_check $ns "2001:db8:1::/64 dev dummy2 metric 1024" false
check_err $? "Lowest metric route not in hardware when should"
fib6_trap_check $ns "2001:db8:1::/64 dev dummy2 metric 1025" true
check_err $? "Highest metric route in hardware when should not"
log_test "IPv6 single route replace"
for i in $(seq 1 2); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv6_metric_multipath_test()
{
local ns=$1; shift
RET=0
for i in $(seq 1 2); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
ip -n $ns address add 2001:db8:$i::1/64 dev dummy$i
done
ip -n $ns route add 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route add 2001:db8:10::/64 metric 1022 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
fib6_trap_check $ns "2001:db8:10::/64 metric 1022" false
check_err $? "Lowest metric route not in hardware when should"
ip -n $ns route add 2001:db8:10::/64 metric 1023 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" true
check_err $? "Highest metric route still in hardware when should not"
fib6_trap_check $ns "2001:db8:10::/64 metric 1023" true
check_err $? "Middle metric route in hardware when should not"
log_test "IPv6 multipath routes with metric"
for i in $(seq 1 2); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv6_append_multipath_test()
{
local ns=$1; shift
RET=0
for i in $(seq 1 3); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
ip -n $ns address add 2001:db8:$i::1/64 dev dummy$i
done
ip -n $ns route add 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:1::2 dev dummy1
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route append 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:2::2 dev dummy2 \
nexthop via 2001:db8:3::2 dev dummy3
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Route not in hardware after appending"
ip -n $ns route add 2001:db8:10::/64 metric 1025 \
nexthop via 2001:db8:1::2 dev dummy1
fib6_trap_check $ns "2001:db8:10::/64 metric 1025" true
check_err $? "Route in hardware when should not"
ip -n $ns route append 2001:db8:10::/64 metric 1025 \
nexthop via 2001:db8:2::2 dev dummy2 \
nexthop via 2001:db8:3::2 dev dummy3
fib6_trap_check $ns "2001:db8:10::/64 metric 1025" true
check_err $? "Route in hardware when should not after appending"
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Lowest metric route not in hardware when should"
log_test "IPv6 append multipath route with 'nexthop' keyword"
for i in $(seq 1 3); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv6_replace_multipath_test()
{
local ns=$1; shift
local i
RET=0
for i in $(seq 1 3); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
ip -n $ns address add 2001:db8:$i::1/64 dev dummy$i
done
ip -n $ns route add 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route replace 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:3::2 dev dummy3
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Replacement route not in hardware when should"
# Add a route with an higher metric and make sure that replacing it
# does not affect the lower metric one.
ip -n $ns route add 2001:db8:10::/64 metric 1025 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
ip -n $ns route replace 2001:db8:10::/64 metric 1025 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:3::2 dev dummy3
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Lowest metric route not in hardware when should"
fib6_trap_check $ns "2001:db8:10::/64 metric 1025" true
check_err $? "Highest metric route in hardware when should not"
log_test "IPv6 multipath route replace"
for i in $(seq 1 3); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv6_append_multipath_to_single_test()
{
local ns=$1; shift
# Test that when the first route in the leaf is not a multipath route
# and we try to append a multipath route with the same metric to it, it
# is not notified.
RET=0
for i in $(seq 1 2); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
ip -n $ns address add 2001:db8:$i::1/64 dev dummy$i
done
ip -n $ns route add 2001:db8:10::/64 dev dummy1 metric 1024
fib6_trap_check $ns "2001:db8:10::/64 dev dummy1 metric 1024" false
check_err $? "Route not in hardware when should"
ip -n $ns route append 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:2::2 dev dummy2
fib6_trap_check $ns "2001:db8:10::/64 dev dummy2 metric 1024" true
check_err $? "Route in hardware when should not"
fib6_trap_check $ns "2001:db8:10::/64 dev dummy1 metric 1024" false
check_err $? "Route not in hardware after append"
log_test "IPv6 append multipath route to non-multipath route"
for i in $(seq 1 2); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv6_delete_single_test()
{
local ns=$1; shift
# Test various deletion scenarios, where only a single route is
# deleted from the FIB node.
for i in $(seq 1 2); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
ip -n $ns address add 2001:db8:$i::1/64 dev dummy$i
done
# Test deletion of a single route when it is the only route in the FIB
# node.
RET=0
ip -n $ns route add 2001:db8:10::/64 dev dummy1 metric 1024
ip -n $ns route del 2001:db8:10::/64 dev dummy1 metric 1024
log_test "IPv6 delete sole single route"
# Test that deletion of last route does not affect the first one.
RET=0
ip -n $ns route add 2001:db8:10::/64 dev dummy1 metric 1024
ip -n $ns route add 2001:db8:10::/64 dev dummy1 metric 1025
ip -n $ns route del 2001:db8:10::/64 dev dummy1 metric 1025
fib6_trap_check $ns "2001:db8:10::/64 dev dummy1 metric 1024" false
check_err $? "Route not in hardware after deleting higher metric route"
log_test "IPv6 delete single route not in hardware"
ip -n $ns route del 2001:db8:10::/64 dev dummy1 metric 1024
# Test that first route is replaced by next single route in the FIB
# node.
RET=0
ip -n $ns route add 2001:db8:10::/64 dev dummy1 metric 1024
ip -n $ns route add 2001:db8:10::/64 dev dummy1 metric 1025
ip -n $ns route del 2001:db8:10::/64 dev dummy1 metric 1024
fib6_trap_check $ns "2001:db8:10::/64 dev dummy1 metric 1025" false
check_err $? "Route not in hardware after deleting lowest metric route"
log_test "IPv6 delete single route - replaced by single"
ip -n $ns route del 2001:db8:10::/64 dev dummy1 metric 1025
# Test that first route is replaced by next multipath route in the FIB
# node.
RET=0
ip -n $ns route add 2001:db8:10::/64 dev dummy1 metric 1024
ip -n $ns route add 2001:db8:10::/64 metric 1025 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
ip -n $ns route del 2001:db8:10::/64 dev dummy1 metric 1024
fib6_trap_check $ns "2001:db8:10::/64 metric 1025" false
check_err $? "Route not in hardware after deleting lowest metric route"
log_test "IPv6 delete single route - replaced by multipath"
ip -n $ns route del 2001:db8:10::/64 metric 1025
# Test deletion of a single nexthop from a multipath route.
ip -n $ns route add 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
ip -n $ns route del 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:1::2 dev dummy1
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Route not in hardware after deleting a single nexthop"
log_test "IPv6 delete single nexthop"
ip -n $ns route del 2001:db8:10::/64 metric 1024
for i in $(seq 1 2); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv6_delete_multipath_test()
{
local ns=$1; shift
# Test various deletion scenarios, where an entire multipath route is
# deleted from the FIB node.
for i in $(seq 1 2); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
ip -n $ns address add 2001:db8:$i::1/64 dev dummy$i
done
# Test deletion of a multipath route when it is the only route in the
# FIB node.
RET=0
ip -n $ns route add 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
ip -n $ns route del 2001:db8:10::/64 metric 1024
log_test "IPv6 delete sole multipath route"
# Test that deletion of last route does not affect the first one.
RET=0
ip -n $ns route add 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
ip -n $ns route add 2001:db8:10::/64 metric 1025 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
ip -n $ns route del 2001:db8:10::/64 metric 1025
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "Route not in hardware after deleting higher metric route"
log_test "IPv6 delete multipath route not in hardware"
ip -n $ns route del 2001:db8:10::/64 metric 1024
# Test that first route is replaced by next single route in the FIB
# node.
RET=0
ip -n $ns route add 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
ip -n $ns route add 2001:db8:10::/64 dev dummy1 metric 1025
ip -n $ns route del 2001:db8:10::/64 metric 1024
fib6_trap_check $ns "2001:db8:10::/64 dev dummy1 metric 1025" false
check_err $? "Route not in hardware after deleting lowest metric route"
log_test "IPv6 delete multipath route - replaced by single"
ip -n $ns route del 2001:db8:10::/64 dev dummy1 metric 1025
# Test that first route is replaced by next multipath route in the FIB
# node.
RET=0
ip -n $ns route add 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
ip -n $ns route add 2001:db8:10::/64 metric 1025 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
ip -n $ns route del 2001:db8:10::/64 metric 1024
fib6_trap_check $ns "2001:db8:10::/64 metric 1025" false
check_err $? "Route not in hardware after deleting lowest metric route"
log_test "IPv6 delete multipath route - replaced by multipath"
ip -n $ns route del 2001:db8:10::/64 metric 1025
for i in $(seq 1 2); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv6_replay_single_test()
{
local ns=$1; shift
local devlink_dev=$1; shift
RET=0
for i in $(seq 1 2); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
done
ip -n $ns route add 2001:db8:1::/64 dev dummy1
ip -n $ns route append 2001:db8:1::/64 dev dummy2
devlink -N $ns dev reload $devlink_dev
fib6_trap_check $ns "2001:db8:1::/64 dev dummy1" false
check_err $? "First route not in hardware when should"
fib6_trap_check $ns "2001:db8:1::/64 dev dummy2" true
check_err $? "Second route in hardware when should not"
log_test "IPv6 routes replay - single route"
for i in $(seq 1 2); do
ip -n $ns link del dev dummy$i
done
}
fib_ipv6_replay_multipath_test()
{
local ns=$1; shift
local devlink_dev=$1; shift
RET=0
for i in $(seq 1 2); do
ip -n $ns link add name dummy$i type dummy
ip -n $ns link set dev dummy$i up
ip -n $ns address add 2001:db8:$i::1/64 dev dummy$i
done
ip -n $ns route add 2001:db8:10::/64 metric 1024 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
ip -n $ns route add 2001:db8:10::/64 metric 1025 \
nexthop via 2001:db8:1::2 dev dummy1 \
nexthop via 2001:db8:2::2 dev dummy2
devlink -N $ns dev reload $devlink_dev
fib6_trap_check $ns "2001:db8:10::/64 metric 1024" false
check_err $? "First route not in hardware when should"
fib6_trap_check $ns "2001:db8:10::/64 metric 1025" true
check_err $? "Second route in hardware when should not"
log_test "IPv6 routes replay - multipath route"
for i in $(seq 1 2); do
ip -n $ns link del dev dummy$i
done
}
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