tools/testing/selftests/bpf/progs/bpf_iter.h

   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 bpf_iter__bpf_link bpf_iter__bpf_link___not_used
  20 #define btf_ptr btf_ptr___not_used
  21 #define BTF_F_COMPACT BTF_F_COMPACT___not_used
  22 #define BTF_F_NONAME BTF_F_NONAME___not_used
  23 #define BTF_F_PTR_RAW BTF_F_PTR_RAW___not_used
  24 #define BTF_F_ZERO BTF_F_ZERO___not_used
  25 #define bpf_iter__ksym bpf_iter__ksym___not_used
  26 #include "vmlinux.h"
  27 #undef bpf_iter_meta
  28 #undef bpf_iter__bpf_map
  29 #undef bpf_iter__ipv6_route
  30 #undef bpf_iter__netlink
  31 #undef bpf_iter__task
  32 #undef bpf_iter__task_file
  33 #undef bpf_iter__task_vma
  34 #undef bpf_iter__tcp
  35 #undef tcp6_sock
  36 #undef bpf_iter__udp
  37 #undef udp6_sock
  38 #undef bpf_iter__unix
  39 #undef bpf_iter__bpf_map_elem
  40 #undef bpf_iter__bpf_sk_storage_map
  41 #undef bpf_iter__sockmap
  42 #undef bpf_iter__bpf_link
  43 #undef btf_ptr
  44 #undef BTF_F_COMPACT
  45 #undef BTF_F_NONAME
  46 #undef BTF_F_PTR_RAW
  47 #undef BTF_F_ZERO
  48 #undef bpf_iter__ksym
  49
  50 struct bpf_iter_meta {
  51         struct seq_file *seq;
  52         __u64 session_id;
  53         __u64 seq_num;
  54 } __attribute__((preserve_access_index));
  55
  56 struct bpf_iter__ipv6_route {
  57         struct bpf_iter_meta *meta;
  58         struct fib6_info *rt;
  59 } __attribute__((preserve_access_index));
  60
  61 struct bpf_iter__netlink {
  62         struct bpf_iter_meta *meta;
  63         struct netlink_sock *sk;
  64 } __attribute__((preserve_access_index));
  65
  66 struct bpf_iter__task {
  67         struct bpf_iter_meta *meta;
  68         struct task_struct *task;
  69 } __attribute__((preserve_access_index));
  70
  71 struct bpf_iter__task_file {
  72         struct bpf_iter_meta *meta;
  73         struct task_struct *task;
  74         __u32 fd;
  75         struct file *file;
  76 } __attribute__((preserve_access_index));
  77
  78 struct bpf_iter__task_vma {
  79         struct bpf_iter_meta *meta;
  80         struct task_struct *task;
  81         struct vm_area_struct *vma;
  82 } __attribute__((preserve_access_index));
  83
  84 struct bpf_iter__bpf_map {
  85         struct bpf_iter_meta *meta;
  86         struct bpf_map *map;
  87 } __attribute__((preserve_access_index));
  88
  89 struct bpf_iter__tcp {
  90         struct bpf_iter_meta *meta;
  91         struct sock_common *sk_common;
  92         uid_t uid;
  93 } __attribute__((preserve_access_index));
  94
  95 struct tcp6_sock {
  96         struct tcp_sock tcp;
  97         struct ipv6_pinfo inet6;
  98 } __attribute__((preserve_access_index));
  99
 100 struct bpf_iter__udp {
 101         struct bpf_iter_meta *meta;
 102         struct udp_sock *udp_sk;
 103         uid_t uid __attribute__((aligned(8)));
 104         int bucket __attribute__((aligned(8)));
 105 } __attribute__((preserve_access_index));
 106
 107 struct udp6_sock {
 108         struct udp_sock udp;
 109         struct ipv6_pinfo inet6;
 110 } __attribute__((preserve_access_index));
 111
 112 struct bpf_iter__unix {
 113         struct bpf_iter_meta *meta;
 114         struct unix_sock *unix_sk;
 115         uid_t uid;
 116 } __attribute__((preserve_access_index));
 117
 118 struct bpf_iter__bpf_map_elem {
 119         struct bpf_iter_meta *meta;
 120         struct bpf_map *map;
 121         void *key;
 122         void *value;
 123 };
 124
 125 struct bpf_iter__bpf_sk_storage_map {
 126         struct bpf_iter_meta *meta;
 127         struct bpf_map *map;
 128         struct sock *sk;
 129         void *value;
 130 };
 131
 132 struct bpf_iter__sockmap {
 133         struct bpf_iter_meta *meta;
 134         struct bpf_map *map;
 135         void *key;
 136         struct sock *sk;
 137 };
 138
 139 struct bpf_iter__bpf_link {
 140         struct bpf_iter_meta *meta;
 141         struct bpf_link *link;
 142 };
 143
 144 struct btf_ptr {
 145         void *ptr;
 146         __u32 type_id;
 147         __u32 flags;
 148 };
 149
 150 enum {
 151         BTF_F_COMPACT   =       (1ULL << 0),
 152         BTF_F_NONAME    =       (1ULL << 1),
 153         BTF_F_PTR_RAW   =       (1ULL << 2),
 154         BTF_F_ZERO      =       (1ULL << 3),
 155 };
 156
 157 struct bpf_iter__ksym {
 158         struct bpf_iter_meta *meta;
 159         struct kallsym_iter *ksym;
 160 };