Commit 8981e56f authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Daniel Borkmann
Browse files

selftests/bpf: use typedef'ed arrays as map values 



Convert few tests that couldn't use typedef'ed arrays due to kernel bug.

Signed-off-by: default avatarAndrii Nakryiko <andriin@fb.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent dd13f3ca

tools/testing/selftests/bpf/progs/test_get_stack_rawtp.c

+2 −1
Original line number Diff line number Diff line
@@ -47,11 +47,12 @@ struct { 
 * issue and avoid complicated C programming massaging.

 * This is an acceptable workaround since there is one entry here.

 */

typedef __u64 raw_stack_trace_t[2 * MAX_STACK_RAWTP];

struct {

	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);

	__uint(max_entries, 1);

	__type(key, __u32);

	__u64 (*value)[2 * MAX_STACK_RAWTP];

	__type(value, raw_stack_trace_t);

} rawdata_map SEC(".maps");



SEC("tracepoint/raw_syscalls/sys_enter")

tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c

+1 −2
Original line number Diff line number Diff line
@@ -36,8 +36,7 @@ struct { 
	__uint(type, BPF_MAP_TYPE_ARRAY);

	__uint(max_entries, 128);

	__type(key, __u32);

	/* there seems to be a bug in kernel not handling typedef properly */

	struct bpf_stack_build_id (*value)[PERF_MAX_STACK_DEPTH];

	__type(value, stack_trace_t);

} stack_amap SEC(".maps");



/* taken from /sys/kernel/debug/tracing/events/random/urandom_read/format */

tools/testing/selftests/bpf/progs/test_stacktrace_map.c

+1 −1
Original line number Diff line number Diff line
@@ -35,7 +35,7 @@ struct { 
	__uint(type, BPF_MAP_TYPE_ARRAY);

	__uint(max_entries, 16384);

	__type(key, __u32);

	__u64 (*value)[PERF_MAX_STACK_DEPTH];

	__type(value, stack_trace_t);

} stack_amap SEC(".maps");



/* taken from /sys/kernel/debug/tracing/events/sched/sched_switch/format */

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