diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 5f05723011b4..31656a2a6252 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -2371,7 +2371,7 @@ static enum mlxsw_reg_rauht_op mlxsw_sp_rauht_op(bool adding) MLXSW_REG_RAUHT_OP_WRITE_DELETE; } -static void +static int mlxsw_sp_router_neigh_entry_op4(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_neigh_entry *neigh_entry, enum mlxsw_reg_rauht_op op) @@ -2385,10 +2385,10 @@ mlxsw_sp_router_neigh_entry_op4(struct mlxsw_sp *mlxsw_sp, if (neigh_entry->counter_valid) mlxsw_reg_rauht_pack_counter(rauht_pl, neigh_entry->counter_index); - mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rauht), rauht_pl); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rauht), rauht_pl); } -static void +static int mlxsw_sp_router_neigh_entry_op6(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_neigh_entry *neigh_entry, enum mlxsw_reg_rauht_op op) @@ -2402,7 +2402,7 @@ mlxsw_sp_router_neigh_entry_op6(struct mlxsw_sp *mlxsw_sp, if (neigh_entry->counter_valid) mlxsw_reg_rauht_pack_counter(rauht_pl, neigh_entry->counter_index); - mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rauht), rauht_pl); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rauht), rauht_pl); } bool mlxsw_sp_neigh_ipv6_ignore(struct mlxsw_sp_neigh_entry *neigh_entry) @@ -2424,20 +2424,33 @@ mlxsw_sp_neigh_entry_update(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_neigh_entry *neigh_entry, bool adding) { + enum mlxsw_reg_rauht_op op = mlxsw_sp_rauht_op(adding); + int err; + if (!adding && !neigh_entry->connected) return; neigh_entry->connected = adding; if (neigh_entry->key.n->tbl->family == AF_INET) { - mlxsw_sp_router_neigh_entry_op4(mlxsw_sp, neigh_entry, - mlxsw_sp_rauht_op(adding)); + err = mlxsw_sp_router_neigh_entry_op4(mlxsw_sp, neigh_entry, + op); + if (err) + return; } else if (neigh_entry->key.n->tbl->family == AF_INET6) { if (mlxsw_sp_neigh_ipv6_ignore(neigh_entry)) return; - mlxsw_sp_router_neigh_entry_op6(mlxsw_sp, neigh_entry, - mlxsw_sp_rauht_op(adding)); + err = mlxsw_sp_router_neigh_entry_op6(mlxsw_sp, neigh_entry, + op); + if (err) + return; } else { WARN_ON_ONCE(1); + return; } + + if (adding) + neigh_entry->key.n->flags |= NTF_OFFLOADED; + else + neigh_entry->key.n->flags &= ~NTF_OFFLOADED; } void diff --git a/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh index c4cf6e6d800e..017d839fcefa 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh @@ -26,6 +26,7 @@ ALL_TESTS=" lag_dev_deletion_test vlan_interface_uppers_test bridge_extern_learn_test + neigh_offload_test devlink_reload_test " NUM_NETIFS=2 @@ -561,6 +562,31 @@ bridge_extern_learn_test() ip link del dev br0 } +neigh_offload_test() +{ + # Test that IPv4 and IPv6 neighbour entries are marked as offloaded + RET=0 + + ip -4 address add 192.0.2.1/24 dev $swp1 + ip -6 address add 2001:db8:1::1/64 dev $swp1 + + ip -4 neigh add 192.0.2.2 lladdr de:ad:be:ef:13:37 nud perm dev $swp1 + ip -6 neigh add 2001:db8:1::2 lladdr de:ad:be:ef:13:37 nud perm \ + dev $swp1 + + ip -4 neigh show dev $swp1 | grep 192.0.2.2 | grep -q offload + check_err $? "ipv4 neigh entry not marked as offloaded when should" + ip -6 neigh show dev $swp1 | grep 2001:db8:1::2 | grep -q offload + check_err $? "ipv6 neigh entry not marked as offloaded when should" + + log_test "neighbour offload indication" + + ip -6 neigh del 2001:db8:1::2 dev $swp1 + ip -4 neigh del 192.0.2.2 dev $swp1 + ip -6 address del 2001:db8:1::1/64 dev $swp1 + ip -4 address del 192.0.2.1/24 dev $swp1 +} + devlink_reload_test() { # Test that after executing all the above configuration tests, a