LXR linux/tools/testing/selftests/bpf/progs/bpf

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright (c) 2020 Facebook */
   3/* "undefine" structs in vmlinux.h, because we "override" them below */
   4#define bpf_iter_meta bpf_iter_meta___not_used
   5#define bpf_iter__bpf_map bpf_iter__bpf_map___not_used
   6#define bpf_iter__ipv6_route bpf_iter__ipv6_route___not_used
   7#define bpf_iter__netlink bpf_iter__netlink___not_used
   8#define bpf_iter__task bpf_iter__task___not_used
   9#define bpf_iter__task_file bpf_iter__task_file___not_used
  10#define bpf_iter__task_vma bpf_iter__task_vma___not_used
  11#define bpf_iter__tcp bpf_iter__tcp___not_used
  12#define tcp6_sock tcp6_sock___not_used
  13#define bpf_iter__udp bpf_iter__udp___not_used
  14#define udp6_sock udp6_sock___not_used
  15#define bpf_iter__unix bpf_iter__unix___not_used
  16#define bpf_iter__bpf_map_elem bpf_iter__bpf_map_elem___not_used
  17#define bpf_iter__bpf_sk_storage_map bpf_iter__bpf_sk_storage_map___not_used
  18#define bpf_iter__sockmap bpf_iter__sockmap___not_used
  19#define btf_ptr btf_ptr___not_used
  20#define BTF_F_COMPACT BTF_F_COMPACT___not_used
  21#define BTF_F_NONAME BTF_F_NONAME___not_used
  22#define BTF_F_PTR_RAW BTF_F_PTR_RAW___not_used
  23#define BTF_F_ZERO BTF_F_ZERO___not_used
  24#include "vmlinux.h"
  25#undef bpf_iter_meta
  26#undef bpf_iter__bpf_map
  27#undef bpf_iter__ipv6_route
  28#undef bpf_iter__netlink
  29#undef bpf_iter__task
  30#undef bpf_iter__task_file
  31#undef bpf_iter__task_vma
  32#undef bpf_iter__tcp
  33#undef tcp6_sock
  34#undef bpf_iter__udp
  35#undef udp6_sock
  36#undef bpf_iter__unix
  37#undef bpf_iter__bpf_map_elem
  38#undef bpf_iter__bpf_sk_storage_map
  39#undef bpf_iter__sockmap
  40#undef btf_ptr
  41#undef BTF_F_COMPACT
  42#undef BTF_F_NONAME
  43#undef BTF_F_PTR_RAW
  44#undef BTF_F_ZERO
  45
  46struct bpf_iter_meta {
  47        struct seq_file *seq;
  48        __u64 session_id;
  49        __u64 seq_num;
  50} __attribute__((preserve_access_index));
  51
  52struct bpf_iter__ipv6_route {
  53        struct bpf_iter_meta *meta;
  54        struct fib6_info *rt;
  55} __attribute__((preserve_access_index));
  56
  57struct bpf_iter__netlink {
  58        struct bpf_iter_meta *meta;
  59        struct netlink_sock *sk;
  60} __attribute__((preserve_access_index));
  61
  62struct bpf_iter__task {
  63        struct bpf_iter_meta *meta;
  64        struct task_struct *task;
  65} __attribute__((preserve_access_index));
  66
  67struct bpf_iter__task_file {
  68        struct bpf_iter_meta *meta;
  69        struct task_struct *task;
  70        __u32 fd;
  71        struct file *file;
  72} __attribute__((preserve_access_index));
  73
  74struct bpf_iter__task_vma {
  75        struct bpf_iter_meta *meta;
  76        struct task_struct *task;
  77        struct vm_area_struct *vma;
  78} __attribute__((preserve_access_index));
  79
  80struct bpf_iter__bpf_map {
  81        struct bpf_iter_meta *meta;
  82        struct bpf_map *map;
  83} __attribute__((preserve_access_index));
  84
  85struct bpf_iter__tcp {
  86        struct bpf_iter_meta *meta;
  87        struct sock_common *sk_common;
  88        uid_t uid;
  89} __attribute__((preserve_access_index));
  90
  91struct tcp6_sock {
  92        struct tcp_sock tcp;
  93        struct ipv6_pinfo inet6;
  94} __attribute__((preserve_access_index));
  95
  96struct bpf_iter__udp {
  97        struct bpf_iter_meta *meta;
  98        struct udp_sock *udp_sk;
  99        uid_t uid __attribute__((aligned(8)));
 100        int bucket __attribute__((aligned(8)));
 101} __attribute__((preserve_access_index));
 102
 103struct udp6_sock {
 104        struct udp_sock udp;
 105        struct ipv6_pinfo inet6;
 106} __attribute__((preserve_access_index));
 107
 108struct bpf_iter__unix {
 109        struct bpf_iter_meta *meta;
 110        struct unix_sock *unix_sk;
 111        uid_t uid;
 112} __attribute__((preserve_access_index));
 113
 114struct bpf_iter__bpf_map_elem {
 115        struct bpf_iter_meta *meta;
 116        struct bpf_map *map;
 117        void *key;
 118        void *value;
 119};
 120
 121struct bpf_iter__bpf_sk_storage_map {
 122        struct bpf_iter_meta *meta;
 123        struct bpf_map *map;
 124        struct sock *sk;
 125        void *value;
 126};
 127
 128struct bpf_iter__sockmap {
 129        struct bpf_iter_meta *meta;
 130        struct bpf_map *map;
 131        void *key;
 132        struct sock *sk;
 133};
 134
 135struct btf_ptr {
 136        void *ptr;
 137        __u32 type_id;
 138        __u32 flags;
 139};
 140
 141enum {
 142        BTF_F_COMPACT   =       (1ULL << 0),
 143        BTF_F_NONAME    =       (1ULL << 1),
 144        BTF_F_PTR_RAW   =       (1ULL << 2),
 145        BTF_F_ZERO      =       (1ULL << 3),
 146};
 147