| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| *** To edit the content of this header, modify the corresponding |
| *** source file (e.g. under external/kernel-headers/original/) then |
| *** run bionic/libc/kernel/tools/update_all.py |
| *** |
| *** Any manual change here will be lost the next time this script will |
| *** be run. You've been warned! |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #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) |
| struct sockaddr_xdp { |
| __u16 sxdp_family; |
| __u16 sxdp_flags; |
| __u32 sxdp_ifindex; |
| __u32 sxdp_queue_id; |
| __u32 sxdp_shared_umem_fd; |
| }; |
| struct xdp_ring_offset { |
| __u64 producer; |
| __u64 consumer; |
| __u64 desc; |
| }; |
| 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; |
| }; |
| struct xdp_statistics { |
| __u64 rx_dropped; |
| __u64 rx_invalid_descs; |
| __u64 tx_invalid_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 |
| struct xdp_desc { |
| __u64 addr; |
| __u32 len; |
| __u32 options; |
| }; |
| #endif |
