]>
Commit | Line | Data |
---|---|---|
71bb428f JK |
1 | /* |
2 | * Copyright (C) 2017 Netronome Systems, Inc. | |
3 | * | |
4 | * This software is dual licensed under the GNU General License Version 2, | |
5 | * June 1991 as shown in the file COPYING in the top-level directory of this | |
6 | * source tree or the BSD 2-Clause License provided below. You have the | |
7 | * option to license this software under the complete terms of either license. | |
8 | * | |
9 | * The BSD 2-Clause License: | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or | |
12 | * without modification, are permitted provided that the following | |
13 | * conditions are met: | |
14 | * | |
15 | * 1. Redistributions of source code must retain the above | |
16 | * copyright notice, this list of conditions and the following | |
17 | * disclaimer. | |
18 | * | |
19 | * 2. Redistributions in binary form must reproduce the above | |
20 | * copyright notice, this list of conditions and the following | |
21 | * disclaimer in the documentation and/or other materials | |
22 | * provided with the distribution. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
25 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
26 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
27 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
28 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
29 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
30 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
31 | * SOFTWARE. | |
32 | */ | |
33 | ||
34 | /* Author: Jakub Kicinski <kubakici@wp.pl> */ | |
35 | ||
36 | #ifndef __BPF_TOOL_H | |
37 | #define __BPF_TOOL_H | |
38 | ||
c9c35995 JK |
39 | /* BFD and kernel.h both define GCC_VERSION, differently */ |
40 | #undef GCC_VERSION | |
71bb428f JK |
41 | #include <stdbool.h> |
42 | #include <stdio.h> | |
43 | #include <linux/bpf.h> | |
7868620a | 44 | #include <linux/compiler.h> |
c9c35995 | 45 | #include <linux/kernel.h> |
4990f1f4 | 46 | #include <linux/hashtable.h> |
71bb428f | 47 | |
d35efba9 QM |
48 | #include "json_writer.h" |
49 | ||
71bb428f JK |
50 | #define ptr_to_u64(ptr) ((__u64)(unsigned long)(ptr)) |
51 | ||
71bb428f JK |
52 | #define NEXT_ARG() ({ argc--; argv++; if (argc < 0) usage(); }) |
53 | #define NEXT_ARGP() ({ (*argc)--; (*argv)++; if (*argc < 0) usage(); }) | |
0d954eeb | 54 | #define BAD_ARG() ({ p_err("what is '%s'?", *argv); -1; }) |
71bb428f | 55 | |
3fc27b71 QM |
56 | #define ERR_MAX_LEN 1024 |
57 | ||
2dc7c1fe | 58 | #define BPF_TAG_FMT "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx" |
71bb428f JK |
59 | |
60 | #define HELP_SPEC_PROGRAM \ | |
61 | "PROG := { id PROG_ID | pinned FILE | tag PROG_TAG }" | |
0641c3c8 | 62 | #define HELP_SPEC_OPTIONS \ |
c541b734 | 63 | "OPTIONS := { {-j|--json} [{-p|--pretty}] | {-f|--bpffs} }" |
71bb428f JK |
64 | |
65 | enum bpf_obj_type { | |
66 | BPF_OBJ_UNKNOWN, | |
67 | BPF_OBJ_PROG, | |
68 | BPF_OBJ_MAP, | |
69 | }; | |
70 | ||
71 | extern const char *bin_name; | |
72 | ||
d35efba9 QM |
73 | extern json_writer_t *json_wtr; |
74 | extern bool json_output; | |
c541b734 | 75 | extern bool show_pinned; |
4990f1f4 PB |
76 | extern struct pinned_obj_table prog_table; |
77 | extern struct pinned_obj_table map_table; | |
d35efba9 | 78 | |
0b1c27db QM |
79 | void p_err(const char *fmt, ...); |
80 | void p_info(const char *fmt, ...); | |
81 | ||
71bb428f | 82 | bool is_prefix(const char *pfx, const char *str); |
9cbe1f58 | 83 | void fprint_hex(FILE *f, void *arg, unsigned int n, const char *sep); |
7868620a | 84 | void usage(void) __noreturn; |
71bb428f | 85 | |
4990f1f4 PB |
86 | struct pinned_obj_table { |
87 | DECLARE_HASHTABLE(table, 16); | |
88 | }; | |
89 | ||
90 | struct pinned_obj { | |
91 | __u32 id; | |
92 | char *path; | |
93 | struct hlist_node hash; | |
94 | }; | |
95 | ||
96 | int build_pinned_obj_table(struct pinned_obj_table *table, | |
97 | enum bpf_obj_type type); | |
98 | void delete_pinned_obj_table(struct pinned_obj_table *tab); | |
99 | ||
71bb428f JK |
100 | struct cmd { |
101 | const char *cmd; | |
102 | int (*func)(int argc, char **argv); | |
103 | }; | |
104 | ||
105 | int cmd_select(const struct cmd *cmds, int argc, char **argv, | |
106 | int (*help)(int argc, char **argv)); | |
107 | ||
108 | int get_fd_type(int fd); | |
109 | const char *get_fd_type_name(enum bpf_obj_type type); | |
110 | char *get_fdinfo(int fd, const char *key); | |
18527196 | 111 | int open_obj_pinned(char *path); |
71bb428f JK |
112 | int open_obj_pinned_any(char *path, enum bpf_obj_type exp_type); |
113 | int do_pin_any(int argc, char **argv, int (*get_fd_by_id)(__u32)); | |
114 | ||
115 | int do_prog(int argc, char **arg); | |
116 | int do_map(int argc, char **arg); | |
117 | ||
118 | int prog_parse_fd(int *argc, char ***argv); | |
119 | ||
120 | void disasm_print_insn(unsigned char *image, ssize_t len, int opcodes); | |
f05e2c32 | 121 | void print_hex_data_json(uint8_t *data, size_t len); |
71bb428f JK |
122 | |
123 | #endif |