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Fix resizing of BPF maps. #9117

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merged 2 commits into from
Aug 9, 2024

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@fasaxc fasaxc commented Aug 9, 2024

Description

Maps were being correctly resized but the program attachment metadata wasn't updated so the programs failed to attach.

  • Fix the test to actually verify basic workload connectivity.
  • Add metadta updates to each of the attach points.

Related issues/PRs

CORE-10581

Todos

  • Tests
  • Documentation
  • Release note

Release Note

ebpf: Fix Felix panic when using non-default BPF map sizes.  Size was not updated in all places resulting in failure to attach programs.

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@fasaxc fasaxc requested a review from a team as a code owner August 9, 2024 14:54
@marvin-tigera marvin-tigera added this to the Calico v3.29.0 milestone Aug 9, 2024
@marvin-tigera marvin-tigera added release-note-required Change has user-facing impact (no matter how small) docs-pr-required Change is not yet documented labels Aug 9, 2024
Maps were being correctly resized but the program attachment
metadata wasn't updated so the programs failed to attach.

- Fix the test to actually verify basic workload connectivity.
- Add XDP version of test.
- Add metadta updates to each of the attach points.
@fasaxc fasaxc force-pushed the fix-bpf-map-resize branch from 1d28f65 to fc7c125 Compare August 9, 2024 15:13
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@sridhartigera sridhartigera left a comment

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LGTM. Thanks for fixing.

@fasaxc
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fasaxc commented Aug 9, 2024

/merge-when-ready

@marvin-tigera
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OK, I will merge the pull request when it's ready, leave the commits as is when I merge it, and leave the branch after I've merged it.

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Removing "merge-when-ready" label due to new commits

@sridhartigera sridhartigera added the docs-not-required Docs not required for this change label Aug 9, 2024
@marvin-tigera marvin-tigera removed the docs-pr-required Change is not yet documented label Aug 9, 2024
@tomastigera tomastigera merged commit bd388d5 into projectcalico:master Aug 9, 2024
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sridhartigera added a commit that referenced this pull request Aug 12, 2024
…am-release-v3.28

[release-v3.28] Auto pick #9117: Fix resizing of BPF maps.
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4 participants