lib/bpf/bpf.h

1 /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
6  * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org>
72 	 * -EAGAIN. This field determines how many attempts libbpf has to
182  * on output if a non-EFAULT error is returned, **count** represents the number of deleted
186  * @return 0, on success; negative error code, otherwise (errno is also set to
219  * If a non-EFAULT error is returned, count will be set as the number of elements
223  * @return 0, on success; negative error code, otherwise (errno is also set to
246  * If a non-**EFAULT** error code is returned and if the output **count** value
252  * @return 0, on success; negative error code, otherwise (errno is also set to
286  *    Update spin_lock-ed map elements. This must be
293  * in the map to update in batch; on output if a non-EFAULT error is returned,
298  * @return 0, on success; negative error code, otherwise (errno is also set to
372  * @return 0, on success; negative error code, otherwise (errno is also set to
388  * @return 0, on success; negative error code, otherwise (errno is also set to
395 union bpf_iter_link_info; /* defined in up-to-date linux/bpf.h */
515  * zero-initialized or initialized as expected by the requested *info*
516  * type. Failing to (zero-)initialize *info* under certain circumstances can
524  * @return 0, on success; negative error code, otherwise (errno is also set to
535  * zero-initialized or initialized as expected by the requested *info*
536  * type. Failing to (zero-)initialize *info* under certain circumstances can
544  * @return 0, on success; negative error code, otherwise (errno is also set to
555  * zero-initialized or initialized as expected by the requested *info*
556  * type. Failing to (zero-)initialize *info* under certain circumstances can
564  * @return 0, on success; negative error code, otherwise (errno is also set to
575  * zero-initialized or initialized as expected by the requested *info*
576  * type. Failing to (zero-)initialize *info* under certain circumstances can
584  * @return 0, on success; negative error code, otherwise (errno is also set to
615  * @return 0, on success; negative error code, otherwise (errno is also set to
639 /* forward-declaring enums in C++ isn't compatible with pure C enums, so
644 enum bpf_stats_type; /* defined in up-to-date linux/bpf.h */
701  * @return BPF token FD > 0, on success; negative error code, otherwise (errno