1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * xdp_diag: interface for query/monitor XDP sockets 4*4882a593Smuzhiyun * Copyright(c) 2019 Intel Corporation. 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef _LINUX_XDP_DIAG_H 8*4882a593Smuzhiyun #define _LINUX_XDP_DIAG_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <linux/types.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun struct xdp_diag_req { 13*4882a593Smuzhiyun __u8 sdiag_family; 14*4882a593Smuzhiyun __u8 sdiag_protocol; 15*4882a593Smuzhiyun __u16 pad; 16*4882a593Smuzhiyun __u32 xdiag_ino; 17*4882a593Smuzhiyun __u32 xdiag_show; 18*4882a593Smuzhiyun __u32 xdiag_cookie[2]; 19*4882a593Smuzhiyun }; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun struct xdp_diag_msg { 22*4882a593Smuzhiyun __u8 xdiag_family; 23*4882a593Smuzhiyun __u8 xdiag_type; 24*4882a593Smuzhiyun __u16 pad; 25*4882a593Smuzhiyun __u32 xdiag_ino; 26*4882a593Smuzhiyun __u32 xdiag_cookie[2]; 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #define XDP_SHOW_INFO (1 << 0) /* Basic information */ 30*4882a593Smuzhiyun #define XDP_SHOW_RING_CFG (1 << 1) 31*4882a593Smuzhiyun #define XDP_SHOW_UMEM (1 << 2) 32*4882a593Smuzhiyun #define XDP_SHOW_MEMINFO (1 << 3) 33*4882a593Smuzhiyun #define XDP_SHOW_STATS (1 << 4) 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun enum { 36*4882a593Smuzhiyun XDP_DIAG_NONE, 37*4882a593Smuzhiyun XDP_DIAG_INFO, 38*4882a593Smuzhiyun XDP_DIAG_UID, 39*4882a593Smuzhiyun XDP_DIAG_RX_RING, 40*4882a593Smuzhiyun XDP_DIAG_TX_RING, 41*4882a593Smuzhiyun XDP_DIAG_UMEM, 42*4882a593Smuzhiyun XDP_DIAG_UMEM_FILL_RING, 43*4882a593Smuzhiyun XDP_DIAG_UMEM_COMPLETION_RING, 44*4882a593Smuzhiyun XDP_DIAG_MEMINFO, 45*4882a593Smuzhiyun XDP_DIAG_STATS, 46*4882a593Smuzhiyun __XDP_DIAG_MAX, 47*4882a593Smuzhiyun }; 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun #define XDP_DIAG_MAX (__XDP_DIAG_MAX - 1) 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun struct xdp_diag_info { 52*4882a593Smuzhiyun __u32 ifindex; 53*4882a593Smuzhiyun __u32 queue_id; 54*4882a593Smuzhiyun }; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun struct xdp_diag_ring { 57*4882a593Smuzhiyun __u32 entries; /*num descs */ 58*4882a593Smuzhiyun }; 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun #define XDP_DU_F_ZEROCOPY (1 << 0) 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun struct xdp_diag_umem { 63*4882a593Smuzhiyun __u64 size; 64*4882a593Smuzhiyun __u32 id; 65*4882a593Smuzhiyun __u32 num_pages; 66*4882a593Smuzhiyun __u32 chunk_size; 67*4882a593Smuzhiyun __u32 headroom; 68*4882a593Smuzhiyun __u32 ifindex; 69*4882a593Smuzhiyun __u32 queue_id; 70*4882a593Smuzhiyun __u32 flags; 71*4882a593Smuzhiyun __u32 refs; 72*4882a593Smuzhiyun }; 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun struct xdp_diag_stats { 75*4882a593Smuzhiyun __u64 n_rx_dropped; 76*4882a593Smuzhiyun __u64 n_rx_invalid; 77*4882a593Smuzhiyun __u64 n_rx_full; 78*4882a593Smuzhiyun __u64 n_fill_ring_empty; 79*4882a593Smuzhiyun __u64 n_tx_invalid; 80*4882a593Smuzhiyun __u64 n_tx_ring_empty; 81*4882a593Smuzhiyun }; 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun #endif /* _LINUX_XDP_DIAG_H */ 84