1*737433c6SMatt Fleming // SPDX-License-Identifier: GPL-2.0 2*737433c6SMatt Fleming #include <linux/bpf.h> 3*737433c6SMatt Fleming #include <bpf/bpf_helpers.h> 4*737433c6SMatt Fleming #include <bpf/bpf_tracing.h> 5*737433c6SMatt Fleming 6*737433c6SMatt Fleming #define MAX_ENTRIES 100000000 7*737433c6SMatt Fleming 8*737433c6SMatt Fleming struct trie_key { 9*737433c6SMatt Fleming __u32 prefixlen; 10*737433c6SMatt Fleming __u32 data; 11*737433c6SMatt Fleming }; 12*737433c6SMatt Fleming 13*737433c6SMatt Fleming struct { 14*737433c6SMatt Fleming __uint(type, BPF_MAP_TYPE_LPM_TRIE); 15*737433c6SMatt Fleming __type(key, struct trie_key); 16*737433c6SMatt Fleming __type(value, __u32); 17*737433c6SMatt Fleming __uint(map_flags, BPF_F_NO_PREALLOC); 18*737433c6SMatt Fleming __uint(max_entries, MAX_ENTRIES); 19*737433c6SMatt Fleming } trie_free_map SEC(".maps"); 20