| /* |
| * This file is auto-generated. Modifications will be lost. |
| * |
| * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ |
| * for more information. |
| */ |
| #ifndef _LINUX_IF_XDP_H |
| #define _LINUX_IF_XDP_H |
| #include <linux/types.h> |
| #define XDP_SHARED_UMEM (1 << 0) |
| #define XDP_COPY (1 << 1) |
| #define XDP_ZEROCOPY (1 << 2) |
| #define XDP_USE_NEED_WAKEUP (1 << 3) |
| #define XDP_USE_SG (1 << 4) |
| #define XDP_UMEM_UNALIGNED_CHUNK_FLAG (1 << 0) |
| #define XDP_UMEM_TX_SW_CSUM (1 << 1) |
| struct sockaddr_xdp { |
| __u16 sxdp_family; |
| __u16 sxdp_flags; |
| __u32 sxdp_ifindex; |
| __u32 sxdp_queue_id; |
| __u32 sxdp_shared_umem_fd; |
| }; |
| #define XDP_RING_NEED_WAKEUP (1 << 0) |
| struct xdp_ring_offset { |
| __u64 producer; |
| __u64 consumer; |
| __u64 desc; |
| __u64 flags; |
| }; |
| struct xdp_mmap_offsets { |
| struct xdp_ring_offset rx; |
| struct xdp_ring_offset tx; |
| struct xdp_ring_offset fr; |
| struct xdp_ring_offset cr; |
| }; |
| #define XDP_MMAP_OFFSETS 1 |
| #define XDP_RX_RING 2 |
| #define XDP_TX_RING 3 |
| #define XDP_UMEM_REG 4 |
| #define XDP_UMEM_FILL_RING 5 |
| #define XDP_UMEM_COMPLETION_RING 6 |
| #define XDP_STATISTICS 7 |
| #define XDP_OPTIONS 8 |
| struct xdp_umem_reg { |
| __u64 addr; |
| __u64 len; |
| __u32 chunk_size; |
| __u32 headroom; |
| __u32 flags; |
| __u32 tx_metadata_len; |
| }; |
| struct xdp_statistics { |
| __u64 rx_dropped; |
| __u64 rx_invalid_descs; |
| __u64 tx_invalid_descs; |
| __u64 rx_ring_full; |
| __u64 rx_fill_ring_empty_descs; |
| __u64 tx_ring_empty_descs; |
| }; |
| struct xdp_options { |
| __u32 flags; |
| }; |
| #define XDP_OPTIONS_ZEROCOPY (1 << 0) |
| #define XDP_PGOFF_RX_RING 0 |
| #define XDP_PGOFF_TX_RING 0x80000000 |
| #define XDP_UMEM_PGOFF_FILL_RING 0x100000000ULL |
| #define XDP_UMEM_PGOFF_COMPLETION_RING 0x180000000ULL |
| #define XSK_UNALIGNED_BUF_OFFSET_SHIFT 48 |
| #define XSK_UNALIGNED_BUF_ADDR_MASK ((1ULL << XSK_UNALIGNED_BUF_OFFSET_SHIFT) - 1) |
| #define XDP_TXMD_FLAGS_TIMESTAMP (1 << 0) |
| #define XDP_TXMD_FLAGS_CHECKSUM (1 << 1) |
| struct xsk_tx_metadata { |
| __u64 flags; |
| union { |
| struct { |
| __u16 csum_start; |
| __u16 csum_offset; |
| } request; |
| struct { |
| __u64 tx_timestamp; |
| } completion; |
| }; |
| }; |
| struct xdp_desc { |
| __u64 addr; |
| __u32 len; |
| __u32 options; |
| }; |
| #define XDP_PKT_CONTD (1 << 0) |
| #define XDP_TX_METADATA (1 << 1) |
| #endif |