1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _LINUX_IF_XDP_H 20 #define _LINUX_IF_XDP_H 21 #include <linux/types.h> 22 #define XDP_SHARED_UMEM (1 << 0) 23 #define XDP_COPY (1 << 1) 24 #define XDP_ZEROCOPY (1 << 2) 25 struct sockaddr_xdp { 26 __u16 sxdp_family; 27 __u16 sxdp_flags; 28 __u32 sxdp_ifindex; 29 __u32 sxdp_queue_id; 30 __u32 sxdp_shared_umem_fd; 31 }; 32 struct xdp_ring_offset { 33 __u64 producer; 34 __u64 consumer; 35 __u64 desc; 36 }; 37 struct xdp_mmap_offsets { 38 struct xdp_ring_offset rx; 39 struct xdp_ring_offset tx; 40 struct xdp_ring_offset fr; 41 struct xdp_ring_offset cr; 42 }; 43 #define XDP_MMAP_OFFSETS 1 44 #define XDP_RX_RING 2 45 #define XDP_TX_RING 3 46 #define XDP_UMEM_REG 4 47 #define XDP_UMEM_FILL_RING 5 48 #define XDP_UMEM_COMPLETION_RING 6 49 #define XDP_STATISTICS 7 50 struct xdp_umem_reg { 51 __u64 addr; 52 __u64 len; 53 __u32 chunk_size; 54 __u32 headroom; 55 }; 56 struct xdp_statistics { 57 __u64 rx_dropped; 58 __u64 rx_invalid_descs; 59 __u64 tx_invalid_descs; 60 }; 61 #define XDP_PGOFF_RX_RING 0 62 #define XDP_PGOFF_TX_RING 0x80000000 63 #define XDP_UMEM_PGOFF_FILL_RING 0x100000000ULL 64 #define XDP_UMEM_PGOFF_COMPLETION_RING 0x180000000ULL 65 struct xdp_desc { 66 __u64 addr; 67 __u32 len; 68 __u32 options; 69 }; 70 #endif 71
