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d655490417
For the test_verifier case, it's quite hard to parse log level 2 to figure out what's causing an issue when used to log level 1. We do want to use bpf_verify_program() in order to simulate some of the tests with strict alignment. So just add an argument to pass the level and put it to 1 for test_verifier. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/*
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* common eBPF ELF operations.
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*
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* Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org>
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* Copyright (C) 2015 Wang Nan <wangnan0@huawei.com>
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* Copyright (C) 2015 Huawei Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License (not later!)
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <http://www.gnu.org/licenses>
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*/
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#ifndef __BPF_BPF_H
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#define __BPF_BPF_H
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#include <linux/bpf.h>
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#include <stddef.h>
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int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size,
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int max_entries, __u32 map_flags);
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int bpf_create_map_in_map(enum bpf_map_type map_type, int key_size,
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int inner_map_fd, int max_entries, __u32 map_flags);
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/* Recommend log buffer size */
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#define BPF_LOG_BUF_SIZE 65536
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int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns,
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size_t insns_cnt, const char *license,
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__u32 kern_version, char *log_buf,
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size_t log_buf_sz);
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int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns,
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size_t insns_cnt, int strict_alignment,
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const char *license, __u32 kern_version,
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char *log_buf, size_t log_buf_sz, int log_level);
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int bpf_map_update_elem(int fd, const void *key, const void *value,
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__u64 flags);
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int bpf_map_lookup_elem(int fd, const void *key, void *value);
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int bpf_map_delete_elem(int fd, const void *key);
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int bpf_map_get_next_key(int fd, const void *key, void *next_key);
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int bpf_obj_pin(int fd, const char *pathname);
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int bpf_obj_get(const char *pathname);
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int bpf_prog_attach(int prog_fd, int attachable_fd, enum bpf_attach_type type,
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unsigned int flags);
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int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type);
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int bpf_prog_test_run(int prog_fd, int repeat, void *data, __u32 size,
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void *data_out, __u32 *size_out, __u32 *retval,
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__u32 *duration);
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int bpf_prog_get_next_id(__u32 start_id, __u32 *next_id);
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int bpf_map_get_next_id(__u32 start_id, __u32 *next_id);
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int bpf_prog_get_fd_by_id(__u32 id);
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int bpf_map_get_fd_by_id(__u32 id);
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int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len);
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#endif
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