It is only available for co-re objects since the printk feature is
available only since 5.13 so definitely available for kernels with co-re
support since 5.17. And supporting it for older kernels would make the
code very messy with little benefit.
v4 output
WEP-NAT1--------E: New packet at ifindex=1; mark=0
WEP-NAT1--------E: IP id=0 len=58
WEP-NAT1--------E: IP s=1.1.1.1 d=10.10.0.1
WEP-NAT1--------E: IP ihl=28 bytes
WEP-NAT1--------E: UDP; ports: s=1234 d=5678
WEP-NAT1--------E: CT: lookup from 1.1.1.1:1234
WEP-NAT1--------E: CT: lookup to 10.10.0.1:5678
WEP-NAT1--------E: CT: Miss.
WEP-NAT1--------E: CT: result: NEW.
WEP-NAT1--------E: conntrack entry flags 0x0
WEP-NAT1--------E: NAT: 1st level lookup addr=10.10.0.1 port=5678 udp
or V6 version:
IPv6 WEP-NAT1--------I: CT: lookup from [abcd:0000:0000:0000:0000:ffff:0808:0808]:666
IPv6 WEP-NAT1--------I: CT: lookup to [ff00:0000:0000:0000:0000:0000:0000:0001]:1234
IPv6 WEP-NAT1--------I: CT: tun_ip:[0000:0000:0000:0000:0000:0000:0000:0000]
IPv6 WEP-NAT1--------I: CT: Hit! NAT REV entry at ingress to connection opener: SNAT.
Related issues/PRs
Todos
[ ] Tests
[ ] Documentation
[ ] Release note
Release Note
ebpf: real IPs in bpf debug output with co-re enabled kernels
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Description
Related issues/PRs
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Release Note
Reminder for the reviewer
Make sure that this PR has the correct labels and milestone set.
Every PR needs one
docs-*
label.docs-pr-required
: This change requires a change to the documentation that has not been completed yet.docs-completed
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