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/Linux-v4.19/samples/bpf/
Dxdp_router_ipv4_user.c109 struct bpf_lpm_trie_key *prefix_key; in read_route() local
199 prefix_key = alloca(sizeof(*prefix_key) + 3); in read_route()
202 prefix_key->prefixlen = 32; in read_route()
203 prefix_key->prefixlen = route.dst_len; in read_route()
218 prefix_key->data[i] = (route.dst >> i * 8) & 0xff; in read_route()
221 (int)prefix_key->data[0], in read_route()
222 (int)prefix_key->data[1], in read_route()
223 (int)prefix_key->data[2], in read_route()
224 (int)prefix_key->data[3], in read_route()
228 if (bpf_map_lookup_elem(map_fd[0], prefix_key, in read_route()
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