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cilium: Improve IPv6 BIG TCP probing #26303

Merged
merged 2 commits into from
Jun 16, 2023
Merged

cilium: Improve IPv6 BIG TCP probing #26303

merged 2 commits into from
Jun 16, 2023

Commits on Jun 16, 2023

  1. vendor: Update vishvananda/netlink/ 

    Update vishvananda/netlink in order to support getting IFLA_TSO_MAX_SIZE
and IFLA_TSO_MAX_SEGS.

Used the following series of commands:

  go mod edit -replace github.com/vishvananda/netlink=github.com/cilium/netlink@main
  go mod tidy
  go mod vendor
  git add vendor/ go.mod go.sum && git commit -sa

Currently pointing to our local repo as an unrelated commit in vishvananda/netlink
triggers a regression on Cilium side and given the below linked PR is not yet merged
upstream. Eventually, we can move back vishvananda/netlink.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: vishvananda/netlink#880
    @borkmann
    borkmann committed Jun 16, 2023
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  2. cilium: Improve feature probing for IPv6 BIG TCP 

    With IPv6 BIG TCP the IFLA_TSO_MAX_SIZE and IFLA_TSO_MAX_SEGS attributes
got added. So we better check on non-zero TSOMaxSize since only this one
got added in 5.19.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/netdev/20220513183408.686447-2-eric.dumazet@gmail.com/
    @borkmann
    borkmann committed Jun 16, 2023
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