xdp_rrl_VIP_list_293-307.c

// search for the prefix in the LPM trie
	struct {
		uint32_t        prefixlen;
		struct in6_addr ipv6_addr;
	} key6 = {
		.prefixlen = 64,
		.ipv6_addr = *key
	};
	uint64_t *count = bpf_map_lookup_elem(&exclude_v6_prefixes, &key6);
 
	// if the prefix is matches, we exclude it from rate limiting
	if (count) {
		lock_xadd(count, 1);
		return 1; // XDP_PASS
	}