name : fib_offload_lib.sh # 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 }