Re: [PATCH bpf-next v2 5/9] selftests/bpf: Add selftest for sockmap/hashmap redirection

[Jakub Sitnicki]

On Fri, Apr 11, 2025 at 09:09 PM +08, Jiayuan Chen wrote:
> On Fri, Apr 11, 2025 at 01:32:41PM +0200, Michal Luczaj wrote:
>> Test redirection logic. All supported and unsupported redirect combinations
>> are tested for success and failure respectively.
>> 
>> BPF_MAP_TYPE_SOCKMAP
>> BPF_MAP_TYPE_SOCKHASH
>> 	x
>> sk_msg-to-egress
>> sk_msg-to-ingress
>> sk_skb-to-egress
>> sk_skb-to-ingress
>
> Could we also add test cases for SK_PASS (and even SK_DROP)?
> Previously, we encountered deadlocks and incorrect sequence issues when
> the program returned SK_PASS, so explicit testing for these cases would
> be helpful.
>
> If implemented, this test would fully exercise all code paths and
> demonstrate a complete example that covers every aspect of
> sockmap's packet steering and connection management capabilities.

This could easily be a follow up in my mind.

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