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__tcp bpf_iter__tcp___not_used
  11#define tcp6_sock tcp6_sock___not_used
  12#define bpf_iter__udp bpf_iter__udp___not_used
  13#define udp6_sock udp6_sock___not_used
  14#define bpf_iter__bpf_map_elem bpf_iter__bpf_map_elem___not_used
  15#define bpf_iter__bpf_sk_storage_map bpf_iter__bpf_sk_storage_map___not_used
  16#define bpf_iter__sockmap bpf_iter__sockmap___not_used
  17#define btf_ptr btf_ptr___not_used
  18#define BTF_F_COMPACT BTF_F_COMPACT___not_used
  19#define BTF_F_NONAME BTF_F_NONAME___not_used
  20#define BTF_F_PTR_RAW BTF_F_PTR_RAW___not_used
  21#define BTF_F_ZERO BTF_F_ZERO___not_used
  22#include "vmlinux.h"
  23#undef bpf_iter_meta
  24#undef bpf_iter__bpf_map
  25#undef bpf_iter__ipv6_route
  26#undef bpf_iter__netlink
  27#undef bpf_iter__task
  28#undef bpf_iter__task_file
  29#undef bpf_iter__tcp
  30#undef tcp6_sock
  31#undef bpf_iter__udp
  32#undef udp6_sock
  33#undef bpf_iter__bpf_map_elem
  34#undef bpf_iter__bpf_sk_storage_map
  35#undef bpf_iter__sockmap
  36#undef btf_ptr
  37#undef BTF_F_COMPACT
  38#undef BTF_F_NONAME
  39#undef BTF_F_PTR_RAW
  40#undef BTF_F_ZERO
  41
  42struct bpf_iter_meta {
  43        struct seq_file *seq;
  44        __u64 session_id;
  45        __u64 seq_num;
  46} __attribute__((preserve_access_index));
  47
  48struct bpf_iter__ipv6_route {
  49        struct bpf_iter_meta *meta;
  50        struct fib6_info *rt;
  51} __attribute__((preserve_access_index));
  52
  53struct bpf_iter__netlink {
  54        struct bpf_iter_meta *meta;
  55        struct netlink_sock *sk;
  56} __attribute__((preserve_access_index));
  57
  58struct bpf_iter__task {
  59        struct bpf_iter_meta *meta;
  60        struct task_struct *task;
  61} __attribute__((preserve_access_index));
  62
  63struct bpf_iter__task_file {
  64        struct bpf_iter_meta *meta;
  65        struct task_struct *task;
  66        __u32 fd;
  67        struct file *file;
  68} __attribute__((preserve_access_index));
  69
  70struct bpf_iter__bpf_map {
  71        struct bpf_iter_meta *meta;
  72        struct bpf_map *map;
  73} __attribute__((preserve_access_index));
  74
  75struct bpf_iter__tcp {
  76        struct bpf_iter_meta *meta;
  77        struct sock_common *sk_common;
  78        uid_t uid;
  79} __attribute__((preserve_access_index));
  80
  81struct tcp6_sock {
  82        struct tcp_sock tcp;
  83        struct ipv6_pinfo inet6;
  84} __attribute__((preserve_access_index));
  85
  86struct bpf_iter__udp {
  87        struct bpf_iter_meta *meta;
  88        struct udp_sock *udp_sk;
  89        uid_t uid __attribute__((aligned(8)));
  90        int bucket __attribute__((aligned(8)));
  91} __attribute__((preserve_access_index));
  92
  93struct udp6_sock {
  94        struct udp_sock udp;
  95        struct ipv6_pinfo inet6;
  96} __attribute__((preserve_access_index));
  97
  98struct bpf_iter__bpf_map_elem {
  99        struct bpf_iter_meta *meta;
 100        struct bpf_map *map;
 101        void *key;
 102        void *value;
 103};
 104
 105struct bpf_iter__bpf_sk_storage_map {
 106        struct bpf_iter_meta *meta;
 107        struct bpf_map *map;
 108        struct sock *sk;
 109        void *value;
 110};
 111
 112struct bpf_iter__sockmap {
 113        struct bpf_iter_meta *meta;
 114        struct bpf_map *map;
 115        void *key;
 116        struct sock *sk;
 117};
 118
 119struct btf_ptr {
 120        void *ptr;
 121        __u32 type_id;
 122        __u32 flags;
 123};
 124
 125enum {
 126        BTF_F_COMPACT   =       (1ULL << 0),
 127        BTF_F_NONAME    =       (1ULL << 1),
 128        BTF_F_PTR_RAW   =       (1ULL << 2),
 129        BTF_F_ZERO      =       (1ULL << 3),
 130};
 131