1BPF_MAP_TYPE_UNSPEC 0 2BPF_MAP_TYPE_HASH 1 3BPF_MAP_TYPE_ARRAY 2 4BPF_MAP_TYPE_PROG_ARRAY 3 5BPF_MAP_TYPE_PERF_EVENT_ARRAY 4 6BPF_MAP_TYPE_PERCPU_HASH 5 7BPF_MAP_TYPE_PERCPU_ARRAY 6 8BPF_MAP_TYPE_STACK_TRACE 7 9BPF_MAP_TYPE_CGROUP_ARRAY 8 10BPF_MAP_TYPE_LRU_HASH 9 11BPF_MAP_TYPE_LRU_PERCPU_HASH 10 12BPF_MAP_TYPE_LPM_TRIE 11 13