^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* Copyright (C) 2017-2018 Netronome Systems, Inc. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #ifndef __BPF_TOOL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #define __BPF_TOOL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) /* BFD and kernel.h both define GCC_VERSION, differently */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #undef GCC_VERSION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <stdbool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/bpf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/compiler.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/hashtable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <tools/libc_compat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <bpf/libbpf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "json_writer.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /* Make sure we do not use kernel-only integer typedefs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static inline __u64 ptr_to_u64(const void *ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) return (__u64)(unsigned long)ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static inline void *u64_to_ptr(__u64 ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) return (void *)(unsigned long)ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define NEXT_ARG() ({ argc--; argv++; if (argc < 0) usage(); })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define NEXT_ARGP() ({ (*argc)--; (*argv)++; if (*argc < 0) usage(); })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define BAD_ARG() ({ p_err("what is '%s'?", *argv); -1; })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define GET_ARG() ({ argc--; *argv++; })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define REQ_ARGS(cnt) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) ({ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int _cnt = (cnt); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) bool _res; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) if (argc < _cnt) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) p_err("'%s' needs at least %d arguments, %d found", \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) argv[-1], _cnt, argc); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) _res = false; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) } else { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) _res = true; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) _res; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define ERR_MAX_LEN 1024
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define BPF_TAG_FMT "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define HELP_SPEC_PROGRAM \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) "PROG := { id PROG_ID | pinned FILE | tag PROG_TAG | name PROG_NAME }"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define HELP_SPEC_OPTIONS \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) "OPTIONS := { {-j|--json} [{-p|--pretty}] | {-f|--bpffs} |\n" \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) "\t {-m|--mapcompat} | {-n|--nomount} }"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define HELP_SPEC_MAP \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) "MAP := { id MAP_ID | pinned FILE | name MAP_NAME }"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define HELP_SPEC_LINK \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) "LINK := { id LINK_ID | pinned FILE }"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) extern const char * const prog_type_name[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) extern const size_t prog_type_name_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) extern const char * const attach_type_name[__MAX_BPF_ATTACH_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) extern const char * const map_type_name[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) extern const size_t map_type_name_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) /* keep in sync with the definition in skeleton/pid_iter.bpf.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) enum bpf_obj_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) BPF_OBJ_UNKNOWN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) BPF_OBJ_PROG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) BPF_OBJ_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) BPF_OBJ_LINK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) BPF_OBJ_BTF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) extern const char *bin_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) extern json_writer_t *json_wtr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) extern bool json_output;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) extern bool show_pinned;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) extern bool show_pids;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) extern bool block_mount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) extern bool verifier_logs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) extern bool relaxed_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) extern struct pinned_obj_table prog_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) extern struct pinned_obj_table map_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) extern struct pinned_obj_table link_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) extern struct obj_refs_table refs_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) void __printf(1, 2) p_err(const char *fmt, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) void __printf(1, 2) p_info(const char *fmt, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) bool is_prefix(const char *pfx, const char *str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) int detect_common_prefix(const char *arg, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) void fprint_hex(FILE *f, void *arg, unsigned int n, const char *sep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) void usage(void) __noreturn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) void set_max_rlimit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) int mount_tracefs(const char *target);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct pinned_obj_table {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) DECLARE_HASHTABLE(table, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct pinned_obj {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) __u32 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) char *path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct hlist_node hash;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct obj_refs_table {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) DECLARE_HASHTABLE(table, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct obj_ref {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) int pid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) char comm[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct obj_refs {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct hlist_node node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) __u32 id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) int ref_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) struct obj_ref *refs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) struct btf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct bpf_line_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) int build_pinned_obj_table(struct pinned_obj_table *table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) enum bpf_obj_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) void delete_pinned_obj_table(struct pinned_obj_table *tab);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) __weak int build_obj_refs_table(struct obj_refs_table *table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) enum bpf_obj_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) __weak void delete_obj_refs_table(struct obj_refs_table *table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) __weak void emit_obj_refs_json(struct obj_refs_table *table, __u32 id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) json_writer_t *json_wtr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) __weak void emit_obj_refs_plain(struct obj_refs_table *table, __u32 id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) const char *prefix);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) void print_dev_plain(__u32 ifindex, __u64 ns_dev, __u64 ns_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) void print_dev_json(__u32 ifindex, __u64 ns_dev, __u64 ns_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) struct cmd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) const char *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) int (*func)(int argc, char **argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) int cmd_select(const struct cmd *cmds, int argc, char **argv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) int (*help)(int argc, char **argv));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) int get_fd_type(int fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) const char *get_fd_type_name(enum bpf_obj_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) char *get_fdinfo(int fd, const char *key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) int open_obj_pinned(const char *path, bool quiet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) int open_obj_pinned_any(const char *path, enum bpf_obj_type exp_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) int mount_bpffs_for_pin(const char *name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) int do_pin_any(int argc, char **argv, int (*get_fd_by_id)(int *, char ***));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int do_pin_fd(int fd, const char *name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) /* commands available in bootstrap mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) int do_gen(int argc, char **argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) int do_btf(int argc, char **argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) /* non-bootstrap only commands */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) int do_prog(int argc, char **arg) __weak;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) int do_map(int argc, char **arg) __weak;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) int do_link(int argc, char **arg) __weak;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) int do_event_pipe(int argc, char **argv) __weak;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) int do_cgroup(int argc, char **arg) __weak;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) int do_perf(int argc, char **arg) __weak;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) int do_net(int argc, char **arg) __weak;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) int do_tracelog(int argc, char **arg) __weak;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) int do_feature(int argc, char **argv) __weak;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) int do_struct_ops(int argc, char **argv) __weak;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) int do_iter(int argc, char **argv) __weak;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) int parse_u32_arg(int *argc, char ***argv, __u32 *val, const char *what);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) int prog_parse_fd(int *argc, char ***argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) int prog_parse_fds(int *argc, char ***argv, int **fds);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) int map_parse_fd(int *argc, char ***argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) int map_parse_fds(int *argc, char ***argv, int **fds);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) int map_parse_fd_and_info(int *argc, char ***argv, void *info, __u32 *info_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) struct bpf_prog_linfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) #ifdef HAVE_LIBBFD_SUPPORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) void disasm_print_insn(unsigned char *image, ssize_t len, int opcodes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) const char *arch, const char *disassembler_options,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) const struct btf *btf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) const struct bpf_prog_linfo *prog_linfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) __u64 func_ksym, unsigned int func_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) bool linum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) int disasm_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) static inline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) void disasm_print_insn(unsigned char *image, ssize_t len, int opcodes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) const char *arch, const char *disassembler_options,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) const struct btf *btf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) const struct bpf_prog_linfo *prog_linfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) __u64 func_ksym, unsigned int func_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) bool linum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static inline int disasm_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) p_err("No libbfd support");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) void print_data_json(uint8_t *data, size_t len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) void print_hex_data_json(uint8_t *data, size_t len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) unsigned int get_page_size(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) unsigned int get_possible_cpus(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) const char *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) ifindex_to_bfd_params(__u32 ifindex, __u64 ns_dev, __u64 ns_ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) const char **opt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) struct btf_dumper {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) const struct btf *btf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) json_writer_t *jw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) bool is_plain_text;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) bool prog_id_as_func_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) /* btf_dumper_type - print data along with type information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) * @d: an instance containing context for dumping types
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) * @type_id: index in btf->types array. this points to the type to be dumped
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) * @data: pointer the actual data, i.e. the values to be printed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) * Returns zero on success and negative error code otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) int btf_dumper_type(const struct btf_dumper *d, __u32 type_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) const void *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) void btf_dumper_type_only(const struct btf *btf, __u32 func_type_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) char *func_only, int size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) void btf_dump_linfo_plain(const struct btf *btf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) const struct bpf_line_info *linfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) const char *prefix, bool linum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) void btf_dump_linfo_json(const struct btf *btf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) const struct bpf_line_info *linfo, bool linum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) struct nlattr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) struct ifinfomsg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) struct tcmsg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) int do_xdp_dump(struct ifinfomsg *ifinfo, struct nlattr **tb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) int do_filter_dump(struct tcmsg *ifinfo, struct nlattr **tb, const char *kind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) const char *devname, int ifindex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) int print_all_levels(__maybe_unused enum libbpf_print_level level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) const char *format, va_list args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) #endif