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bpf, ipcache: unconditionally assume support for LPM trie maps #24258

Merged
merged 2 commits into from
Mar 13, 2023
Merged

bpf, ipcache: unconditionally assume support for LPM trie maps #24258

merged 2 commits into from
Mar 13, 2023

Commits on Mar 9, 2023

  1. bpf, ipcache: unconditionally assume support for LPM trie maps 

    LPM trie maps are available since kernel version 4.11 [1], [2]. For Cilium v1.14,
the minimum required kernel version is 4.19.57 [3]. Thus we can now
unconditionally assume support for that map type.

[1] https://github.com/iovisor/bcc/blob/master/docs/kernel-versions.md#map-types
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b95a5c4db09bc7c253636cb84dc9b12c577fd5a0
[3] https://docs.cilium.io/en/latest/operations/system_requirements/#base-requirements

For #22116

Signed-off-by: Tobias Klauser <tobias@cilium.io>
    @tklauser
    tklauser committed Mar 9, 2023
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  2. bpf: unconditionally assume map name support 

    For Cilium v1.14, the minimum required kernel version is 4.19.57 [1].
Thus we can now unconditionally assume support for map names which are
available in version >= 4.15.

[1] https://docs.cilium.io/en/latest/operations/system_requirements/#base-requirements

For #22116

Signed-off-by: Tobias Klauser <tobias@cilium.io>
    @tklauser
    tklauser committed Mar 9, 2023
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