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Brooklyn/tools/testing/selftests/bpf/progs/sample_map_ret0.c
crowetic a94b3d14aa Brooklyn+ (PLUS) changes
Changes included (and more):

1. Dynamic RAM merge

2. Real-time page scan and allocation

3. Cache compression

4. Real-time IRQ checks

5. Dynamic I/O allocation for Java heap

6. Java page migration

7. Contiguous memory allocation

8. Idle pages tracking

9. Per CPU RAM usage tracking

10. ARM NEON scalar multiplication library

11. NEON/ARMv8 crypto extensions

12. NEON SHA, Blake, RIPEMD crypto extensions

13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
2022-05-12 10:47:00 -07:00

35 lines
679 B
C

/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
struct {
__uint(type, BPF_MAP_TYPE_HASH);
__type(key, __u32);
__type(value, long);
__uint(max_entries, 2);
} htab SEC(".maps");
struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__type(key, __u32);
__type(value, long);
__uint(max_entries, 2);
} array SEC(".maps");
/* Sample program which should always load for testing control paths. */
SEC(".text") int func()
{
__u64 key64 = 0;
__u32 key = 0;
long *value;
value = bpf_map_lookup_elem(&htab, &key);
if (!value)
return 1;
value = bpf_map_lookup_elem(&array, &key64);
if (!value)
return 1;
return 0;
}