bcc_common.h

/*
 * Copyright (c) 2015 PLUMgrid, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef BCC_COMMON_H
#define BCC_COMMON_H

#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>

#ifdef __cplusplus
extern "C" {
#endif

void * bpf_module_create_b(const char *filename, const char *proto_filename, unsigned flags,
                           const char *dev_name);
void * bpf_module_create_c(const char *filename, unsigned flags, const char *cflags[], int ncflags,
                           bool allow_rlimit, const char *dev_name);
void * bpf_module_create_c_from_string(const char *text, unsigned flags, const char *cflags[],
                                       int ncflags, bool allow_rlimit,
                                       const char *dev_name);
void bpf_module_destroy(void *program);
char * bpf_module_license(void *program);
unsigned bpf_module_kern_version(void *program);
size_t bpf_num_functions(void *program);
const char * bpf_function_name(void *program, size_t id);
void * bpf_function_start_id(void *program, size_t id);
void * bpf_function_start(void *program, const char *name);
size_t bpf_function_size_id(void *program, size_t id);
size_t bpf_function_size(void *program, const char *name);
size_t bpf_num_tables(void *program);
size_t bpf_table_id(void *program, const char *table_name);
int bpf_table_fd(void *program, const char *table_name);
int bpf_table_fd_id(void *program, size_t id);
int bpf_table_type(void *program, const char *table_name);
int bpf_table_type_id(void *program, size_t id);
size_t bpf_table_max_entries(void *program, const char *table_name);
size_t bpf_table_max_entries_id(void *program, size_t id);
int bpf_table_flags(void *program, const char *table_name);
int bpf_table_flags_id(void *program, size_t id);
const char * bpf_table_name(void *program, size_t id);
const char * bpf_table_key_desc(void *program, const char *table_name);
const char * bpf_table_key_desc_id(void *program, size_t id);
const char * bpf_table_leaf_desc(void *program, const char *table_name);
const char * bpf_table_leaf_desc_id(void *program, size_t id);
size_t bpf_table_key_size(void *program, const char *table_name);
size_t bpf_table_key_size_id(void *program, size_t id);
size_t bpf_table_leaf_size(void *program, const char *table_name);
size_t bpf_table_leaf_size_id(void *program, size_t id);
int bpf_table_key_snprintf(void *program, size_t id, char *buf, size_t buflen, const void *key);
int bpf_table_leaf_snprintf(void *program, size_t id, char *buf, size_t buflen, const void *leaf);
int bpf_table_key_sscanf(void *program, size_t id, const char *buf, void *key);
int bpf_table_leaf_sscanf(void *program, size_t id, const char *buf, void *leaf);
size_t bpf_perf_event_fields(void *program, const char *event);
const char * bpf_perf_event_field(void *program, const char *event, size_t i);

struct bpf_insn;
int bcc_func_load(void *program, int prog_type, const char *name,
                  const struct bpf_insn *insns, int prog_len,
                  const char *license, unsigned kern_version,
                  int log_level, char *log_buf, unsigned log_buf_size,
                  const char *dev_name);

#ifdef __cplusplus
}
#endif

#endif