forked from ccfos/huatuo
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
#ifndef __BPF_COMMON_H__
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#define __BPF_COMMON_H__
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#ifndef NULL
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#define NULL ((void *)0)
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#endif
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/* BPF_FUNC_perf_event_output, BPF_FUNC_perf_event_read and
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* BPF_FUNC_perf_event_read_value flags.
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*/
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enum {
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BPF_F_INDEX_MASK = 0xffffffffULL,
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BPF_F_CURRENT_CPU = BPF_F_INDEX_MASK,
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/* BPF_FUNC_perf_event_output for sk_buff input context. */
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BPF_F_CTXLEN_MASK = (0xfffffULL << 32),
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};
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/* flags for both BPF_FUNC_get_stackid and BPF_FUNC_get_stack. */
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enum {
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BPF_F_SKIP_FIELD_MASK = 0xffULL,
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BPF_F_USER_STACK = (1ULL << 8),
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/* flags used by BPF_FUNC_get_stackid only. */
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BPF_F_FAST_STACK_CMP = (1ULL << 9),
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BPF_F_REUSE_STACKID = (1ULL << 10),
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/* flags used by BPF_FUNC_get_stack only. */
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BPF_F_USER_BUILD_ID = (1ULL << 11),
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};
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#define TASK_COMM_LEN 16
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#define PATH_MAX 4096 /* # chars in a path name including nul */
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/* include/uapi/linux/perf_event.h */
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#define PERF_MAX_STACK_DEPTH 127
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#define PERF_MIN_STACK_DEPTH 16
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/* flags for BPF_MAP_UPDATE_ELEM command */
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#define BPF_ANY 0 /* create new element or update existing */
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#define BPF_NOEXIST 1 /* create new element if it didn't exist */
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#define BPF_EXIST 2 /* update existing element */
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#define BPF_F_LOCK 4 /* spin_lock-ed map_lookup/map_update */
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#endif /* __BPF_COMMON_H__ */
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