Subject: Re: [PATCH ipsec-next,v2 3/3] selftests/bpf: add xfrm_info tests

From: Martin KaFai Lau <[email-masked]>
Date: Thu, 1 Dec 2022 12:26:14 -0800

On 11/30/22 9:34 PM, Eyal Birger wrote:
>>> +
>>> +struct {
>>> +     __uint(type, BPF_MAP_TYPE_ARRAY);
>>> +     __uint(max_entries, 2);
>>> +     __type(key, __u32);
>>> +     __type(value, __u32);
>>> +} dst_if_id_map SEC(".maps");
>>
>> It is easier to use global variables instead of a map.
> 
> Would these be available for read/write from the test application (as the
> map is currently populated/read from userspace)?

Yes, through the skel->bss->...
selftests/bpf/prog_tests/ has examples.