Add cBPF ops support to BpfFilter #909
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stffabi
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aboch
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Jul 3, 2024
| } | ||
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| func deserializeSockFilter(opsLen uint16, ops []byte) ([]SockFilter, error) { | ||
| if excp := int(opsLen) * 8; len(ops) != excp { |
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Why do we need to define this excp inside this if?
I do not think it gives us much compared to
if len(ops) != 8*opsLen {
[...]", len(ops), 8*opsLen)
}
aboch
reviewed
Jul 3, 2024
| Jf: ops[3], | ||
| K: native.Uint32(ops[4:]), | ||
| } | ||
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maybe remove this blank line
aboch
reviewed
Jul 3, 2024
| if filter.Fd >= 0 { | ||
| return fmt.Errorf("only Ops or Fd can be specified on a BpfFilter") | ||
| } | ||
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@stffabi please resolve the conflict and address a couple of minor comemnts |
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This PR makes it possible to use classic BPF programs to be applied to a BPF Filter, without the need to load a eBPF program.