go: bump github.com/cilium/ebpf from 0.12.3 to 0.13.2

[dependabot]

Bumps github.com/cilium/ebpf from 0.12.3 to 0.13.2.

Release notes

Sourced from github.com/cilium/ebpf's releases.

v0.13.0

Faster btf.LoadKernelSpec()

Obtaining the kernel's BTF used to be very slow and is now very fast. See cilium/ebpf#1235 by @​lmb.

TCX

It's now possible to attach TC programs using the new bpf_link based TCX API. See cilium/ebpf#1163 by @​lmb.

UprobeMulti and UretprobeMulti

These are the user-space equivalents to KprobeMulti and Kretprobe multi and allow attaching to a large number of symbols quickly. See cilium/ebpf#1269 by @​olsajiri.

Netfilter link

There is now support to attach Netfilter programs using bpf_links. See cilium/ebpf#1313 by @​mehrdadrad.

Better ELF section naming compatibility

The list of recognised ELF section names is now automatically generated from libbpf and should be more accurate and easier to keep up to date. See cilium/ebpf#1209 by @​lmb.

Pre-allocate per-CPU values

It's now possible to cut down on allocations by pre-allocating per-CPU values. See cilium/ebpf#1220 by @​alxn.

Batch operation support for per-CPU values

Batch operations like Map.BatchLookup now support per-CPU values. Note that this is not particularly optimised, please check whether it is faster based on your use case. See cilium/ebpf#1192 by @​alxn.

Breaking changes

This release requires at least Go 1.21.

github.com/cilium/ebpf

• (*Map).BatchLookup, (*Map).BatchLookupAndDelete: now take a MapBatchCursor. The previous implementation did not properly account for differences between map types and was unsafe.

github.com/cilium/ebpf/btf

• CORERelocate: now takes an additional argument, which is usually Spec.TypeID.
• MarshalExtInfos: now takes an additional *Builder instead of allocating it. Simply pass NewBuilder().

Both of these are considered somewhat internal API of the library.

... (truncated)

Commits

• 1cb951a map: rename BatchCursor to MapBatchCursor
• b0728bc fix minor contradiction in comments
• 644fc57 internal: replace internal memoize with sync.OnceValues
• 77874d8 build(deps): bump actions/setup-go from 4 to 5
• ca24c23 build(deps): bump mkdocs-material from 9.5.6 to 9.5.8 in /docs
• 4503655 build(deps): bump mkdocs-git-revision-date-localized-plugin in /docs
• 80e86d6 build(deps): bump actions/upload-artifact from 3 to 4
• 4d619bb build(deps): bump actions/github-script from 3 to 7
• a2fd8cc build(deps): bump actions/setup-python from 4 to 5
• e8bdb76 use slices and maps packages instead of x/exp
• Additional commits viewable in compare view

Most Recent Ignore Conditions Applied to This Pull Request

Dependency Name	Ignore Conditions
github.com/cilium/ebpf	[>= 0.10.a, < 0.11]
github.com/cilium/ebpf	[>= 0.9.a, < 0.10]
github.com/cilium/ebpf	[>= 0.8.a, < 0.9]
github.com/cilium/ebpf	[>= 0.7.a, < 0.8]
github.com/cilium/ebpf	[>= 0.6.a, < 0.7]
github.com/cilium/ebpf	[>= 0.5.a, < 0.6]
github.com/cilium/ebpf	[>= 0.4.a, < 0.5]
github.com/cilium/ebpf	[>= 0.3.a, < 0.4]

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[eiffel-fl]

I had to modify the commit to handle changes done to BatchLookup(), so another review would be welcomed.

[alban]

The changes to BatchLookup look good to me.

For reference, they are needed due to:

• map: Introduce BatchCursor abstraction cilium/ebpf#1223
• map: rename BatchCursor to MapBatchCursor cilium/ebpf#1344

[alban]

Why do we need this change?

[mauriciovasquezbernal]

Slack discussion: https://cilium.slack.com/archives/C027KBX679U/p1708072798219249 & golang/go#62278

[eiffel-fl]

Bumping makes our unit tests explode, I opened a PR upstream to propose a fix about it but this is rather to have a discussion about the underlying issue: cilium/ebpf#1353
I will tag this PR as hold for the moment.

problem upstream

[eiffel-fl]

With the merge of cilium/ebpf#1357 and release of https://github.com/cilium/ebpf/releases/tag/v0.13.2, the problem is fixed upstream.
So, we should be ready to merge it. Can I get another review?

[dependabot]

A newer version of github.com/cilium/ebpf exists, but since this PR has been edited by someone other than Dependabot I haven't updated it. You'll get a PR for the updated version as normal once this PR is merged.

[mauriciovasquezbernal]

I see tests are passing fine and it LGTM from code inspection.

[eiffel-fl]

Thank you for the review!