linux-stable/tools/testing/selftests/bpf/progs/bpf_iter.h
Song Liu e8168840e1 selftests/bpf: Add test for bpf_iter_task_vma
The test dumps information similar to /proc/pid/maps. The first line of
the output is compared against the /proc file to make sure they match.

Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20210212183107.50963-4-songliubraving@fb.com
2021-02-12 12:56:54 -08:00

138 lines
3.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2020 Facebook */
/* "undefine" structs in vmlinux.h, because we "override" them below */
#define bpf_iter_meta bpf_iter_meta___not_used
#define bpf_iter__bpf_map bpf_iter__bpf_map___not_used
#define bpf_iter__ipv6_route bpf_iter__ipv6_route___not_used
#define bpf_iter__netlink bpf_iter__netlink___not_used
#define bpf_iter__task bpf_iter__task___not_used
#define bpf_iter__task_file bpf_iter__task_file___not_used
#define bpf_iter__task_vma bpf_iter__task_vma___not_used
#define bpf_iter__tcp bpf_iter__tcp___not_used
#define tcp6_sock tcp6_sock___not_used
#define bpf_iter__udp bpf_iter__udp___not_used
#define udp6_sock udp6_sock___not_used
#define bpf_iter__bpf_map_elem bpf_iter__bpf_map_elem___not_used
#define bpf_iter__bpf_sk_storage_map bpf_iter__bpf_sk_storage_map___not_used
#define bpf_iter__sockmap bpf_iter__sockmap___not_used
#define btf_ptr btf_ptr___not_used
#define BTF_F_COMPACT BTF_F_COMPACT___not_used
#define BTF_F_NONAME BTF_F_NONAME___not_used
#define BTF_F_PTR_RAW BTF_F_PTR_RAW___not_used
#define BTF_F_ZERO BTF_F_ZERO___not_used
#include "vmlinux.h"
#undef bpf_iter_meta
#undef bpf_iter__bpf_map
#undef bpf_iter__ipv6_route
#undef bpf_iter__netlink
#undef bpf_iter__task
#undef bpf_iter__task_file
#undef bpf_iter__task_vma
#undef bpf_iter__tcp
#undef tcp6_sock
#undef bpf_iter__udp
#undef udp6_sock
#undef bpf_iter__bpf_map_elem
#undef bpf_iter__bpf_sk_storage_map
#undef bpf_iter__sockmap
#undef btf_ptr
#undef BTF_F_COMPACT
#undef BTF_F_NONAME
#undef BTF_F_PTR_RAW
#undef BTF_F_ZERO
struct bpf_iter_meta {
struct seq_file *seq;
__u64 session_id;
__u64 seq_num;
} __attribute__((preserve_access_index));
struct bpf_iter__ipv6_route {
struct bpf_iter_meta *meta;
struct fib6_info *rt;
} __attribute__((preserve_access_index));
struct bpf_iter__netlink {
struct bpf_iter_meta *meta;
struct netlink_sock *sk;
} __attribute__((preserve_access_index));
struct bpf_iter__task {
struct bpf_iter_meta *meta;
struct task_struct *task;
} __attribute__((preserve_access_index));
struct bpf_iter__task_file {
struct bpf_iter_meta *meta;
struct task_struct *task;
__u32 fd;
struct file *file;
} __attribute__((preserve_access_index));
struct bpf_iter__task_vma {
struct bpf_iter_meta *meta;
struct task_struct *task;
struct vm_area_struct *vma;
} __attribute__((preserve_access_index));
struct bpf_iter__bpf_map {
struct bpf_iter_meta *meta;
struct bpf_map *map;
} __attribute__((preserve_access_index));
struct bpf_iter__tcp {
struct bpf_iter_meta *meta;
struct sock_common *sk_common;
uid_t uid;
} __attribute__((preserve_access_index));
struct tcp6_sock {
struct tcp_sock tcp;
struct ipv6_pinfo inet6;
} __attribute__((preserve_access_index));
struct bpf_iter__udp {
struct bpf_iter_meta *meta;
struct udp_sock *udp_sk;
uid_t uid __attribute__((aligned(8)));
int bucket __attribute__((aligned(8)));
} __attribute__((preserve_access_index));
struct udp6_sock {
struct udp_sock udp;
struct ipv6_pinfo inet6;
} __attribute__((preserve_access_index));
struct bpf_iter__bpf_map_elem {
struct bpf_iter_meta *meta;
struct bpf_map *map;
void *key;
void *value;
};
struct bpf_iter__bpf_sk_storage_map {
struct bpf_iter_meta *meta;
struct bpf_map *map;
struct sock *sk;
void *value;
};
struct bpf_iter__sockmap {
struct bpf_iter_meta *meta;
struct bpf_map *map;
void *key;
struct sock *sk;
};
struct btf_ptr {
void *ptr;
__u32 type_id;
__u32 flags;
};
enum {
BTF_F_COMPACT = (1ULL << 0),
BTF_F_NONAME = (1ULL << 1),
BTF_F_PTR_RAW = (1ULL << 2),
BTF_F_ZERO = (1ULL << 3),
};