04e928180c
The iterator can output almost the same result compared to /proc/net/unix. The header line is aligned, and the Inode column uses "%8lu" because "%5lu" can be easily overflown. # cat /sys/fs/bpf/unix Num RefCount Protocol Flags Type St Inode Path ffff963c06689800: 00000002 00000000 00010000 0001 01 18697 private/defer ffff963c7c979c00: 00000002 00000000 00000000 0001 01 598245 @Hello@World@ # cat /proc/net/unix Num RefCount Protocol Flags Type St Inode Path ffff963c06689800: 00000002 00000000 00010000 0001 01 18697 private/defer ffff963c7c979c00: 00000002 00000000 00000000 0001 01 598245 @Hello@World@ Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20210814015718.42704-4-kuniyu@amazon.co.jp
147 lines
3.7 KiB
C
147 lines
3.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2020 Facebook */
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/* "undefine" structs in vmlinux.h, because we "override" them below */
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#define bpf_iter_meta bpf_iter_meta___not_used
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#define bpf_iter__bpf_map bpf_iter__bpf_map___not_used
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#define bpf_iter__ipv6_route bpf_iter__ipv6_route___not_used
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#define bpf_iter__netlink bpf_iter__netlink___not_used
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#define bpf_iter__task bpf_iter__task___not_used
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#define bpf_iter__task_file bpf_iter__task_file___not_used
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#define bpf_iter__task_vma bpf_iter__task_vma___not_used
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#define bpf_iter__tcp bpf_iter__tcp___not_used
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#define tcp6_sock tcp6_sock___not_used
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#define bpf_iter__udp bpf_iter__udp___not_used
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#define udp6_sock udp6_sock___not_used
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#define bpf_iter__unix bpf_iter__unix___not_used
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#define bpf_iter__bpf_map_elem bpf_iter__bpf_map_elem___not_used
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#define bpf_iter__bpf_sk_storage_map bpf_iter__bpf_sk_storage_map___not_used
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#define bpf_iter__sockmap bpf_iter__sockmap___not_used
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#define btf_ptr btf_ptr___not_used
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#define BTF_F_COMPACT BTF_F_COMPACT___not_used
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#define BTF_F_NONAME BTF_F_NONAME___not_used
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#define BTF_F_PTR_RAW BTF_F_PTR_RAW___not_used
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#define BTF_F_ZERO BTF_F_ZERO___not_used
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#include "vmlinux.h"
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#undef bpf_iter_meta
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#undef bpf_iter__bpf_map
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#undef bpf_iter__ipv6_route
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#undef bpf_iter__netlink
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#undef bpf_iter__task
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#undef bpf_iter__task_file
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#undef bpf_iter__task_vma
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#undef bpf_iter__tcp
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#undef tcp6_sock
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#undef bpf_iter__udp
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#undef udp6_sock
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#undef bpf_iter__unix
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#undef bpf_iter__bpf_map_elem
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#undef bpf_iter__bpf_sk_storage_map
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#undef bpf_iter__sockmap
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#undef btf_ptr
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#undef BTF_F_COMPACT
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#undef BTF_F_NONAME
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#undef BTF_F_PTR_RAW
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#undef BTF_F_ZERO
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struct bpf_iter_meta {
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struct seq_file *seq;
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__u64 session_id;
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__u64 seq_num;
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} __attribute__((preserve_access_index));
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struct bpf_iter__ipv6_route {
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struct bpf_iter_meta *meta;
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struct fib6_info *rt;
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} __attribute__((preserve_access_index));
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struct bpf_iter__netlink {
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struct bpf_iter_meta *meta;
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struct netlink_sock *sk;
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} __attribute__((preserve_access_index));
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struct bpf_iter__task {
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struct bpf_iter_meta *meta;
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struct task_struct *task;
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} __attribute__((preserve_access_index));
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struct bpf_iter__task_file {
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struct bpf_iter_meta *meta;
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struct task_struct *task;
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__u32 fd;
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struct file *file;
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} __attribute__((preserve_access_index));
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struct bpf_iter__task_vma {
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struct bpf_iter_meta *meta;
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struct task_struct *task;
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struct vm_area_struct *vma;
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} __attribute__((preserve_access_index));
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struct bpf_iter__bpf_map {
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struct bpf_iter_meta *meta;
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struct bpf_map *map;
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} __attribute__((preserve_access_index));
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struct bpf_iter__tcp {
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struct bpf_iter_meta *meta;
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struct sock_common *sk_common;
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uid_t uid;
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} __attribute__((preserve_access_index));
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struct tcp6_sock {
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struct tcp_sock tcp;
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struct ipv6_pinfo inet6;
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} __attribute__((preserve_access_index));
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struct bpf_iter__udp {
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struct bpf_iter_meta *meta;
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struct udp_sock *udp_sk;
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uid_t uid __attribute__((aligned(8)));
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int bucket __attribute__((aligned(8)));
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} __attribute__((preserve_access_index));
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struct udp6_sock {
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struct udp_sock udp;
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struct ipv6_pinfo inet6;
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} __attribute__((preserve_access_index));
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struct bpf_iter__unix {
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struct bpf_iter_meta *meta;
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struct unix_sock *unix_sk;
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uid_t uid;
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} __attribute__((preserve_access_index));
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struct bpf_iter__bpf_map_elem {
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struct bpf_iter_meta *meta;
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struct bpf_map *map;
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void *key;
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void *value;
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};
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struct bpf_iter__bpf_sk_storage_map {
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struct bpf_iter_meta *meta;
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struct bpf_map *map;
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struct sock *sk;
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void *value;
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};
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struct bpf_iter__sockmap {
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struct bpf_iter_meta *meta;
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struct bpf_map *map;
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void *key;
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struct sock *sk;
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};
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struct btf_ptr {
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void *ptr;
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__u32 type_id;
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__u32 flags;
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};
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enum {
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BTF_F_COMPACT = (1ULL << 0),
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BTF_F_NONAME = (1ULL << 1),
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BTF_F_PTR_RAW = (1ULL << 2),
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BTF_F_ZERO = (1ULL << 3),
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};
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