__xsk_map_lookup_elem 977 include/linux/bpf.h struct xdp_sock *__xsk_map_lookup_elem(struct bpf_map *map, u32 key); __xsk_map_lookup_elem 207 kernel/bpf/xskmap.c return __xsk_map_lookup_elem(map, *(u32 *)key); __xsk_map_lookup_elem 3586 net/core/filter.c return __xsk_map_lookup_elem(map, index);