Brooklyn/tools/testing/selftests/bpf/progs/cgroup_getset_retval_setsockopt.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

53 lines
862 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2021 Google LLC.
*/
#include <errno.h>
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
__u32 invocations = 0;
__u32 assertion_error = 0;
__u32 retval_value = 0;
SEC("cgroup/setsockopt")
int get_retval(struct bpf_sockopt *ctx)
{
retval_value = bpf_get_retval();
__sync_fetch_and_add(&invocations, 1);
return 1;
}
SEC("cgroup/setsockopt")
int set_eunatch(struct bpf_sockopt *ctx)
{
__sync_fetch_and_add(&invocations, 1);
if (bpf_set_retval(-EUNATCH))
assertion_error = 1;
return 0;
}
SEC("cgroup/setsockopt")
int set_eisconn(struct bpf_sockopt *ctx)
{
__sync_fetch_and_add(&invocations, 1);
if (bpf_set_retval(-EISCONN))
assertion_error = 1;
return 0;
}
SEC("cgroup/setsockopt")
int legacy_eperm(struct bpf_sockopt *ctx)
{
__sync_fetch_and_add(&invocations, 1);
return 0;
}