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#include "common.h"
char __license[] __section("license") = "MIT";
typedef char custkey[48];
struct {
__uint(type, BPF_MAP_TYPE_HASH);
__uint(max_entries, 2);
__type(key, custkey);
__type(value, uint32_t);
} my_map __section(".maps");
#define KEY "This string is allocated in the string section\n"
__section("xdp") int filter() {
uint32_t *value = bpf_map_lookup_elem(&my_map, KEY);
if (value)
(*value)++;
else {
uint32_t newValue = 1;
bpf_map_update_elem(&my_map, KEY, &newValue, 0);
}
return 2;
}
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