1 2 3 4 5 6 7 8 9
#value_indexed XDP_MMAP_OFFSETS 1 XDP_RX_RING 2 XDP_TX_RING 3 XDP_UMEM_REG 4 XDP_UMEM_FILL_RING 5 XDP_UMEM_COMPLETION_RING 6 XDP_STATISTICS 7 XDP_OPTIONS 8