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StackNode refactor: add offsetToIP argument to Encapsulate

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Patricio Whittingslow
2025-12-19 00:38:28 -03:00
parent eaa36a589a
commit 1554b89a08
22 changed files with 180 additions and 94 deletions
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README.md
+4 -4
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@@ -57,11 +57,11 @@ The following interface is implemented by networking stack nodes and the stack t
```go
type StackNode interface {
// Encapsulate receives a buffer the receiver must fill with data.
// The receiver's start byte is at carrierData[frameOffset].
Encapsulate(carrierData []byte, frameOffset int) (int, error)
// The receiver's start byte is at carrierData[offsetToFrame].
Encapsulate(carrierData []byte, offsetToIP, offsetToFrame int) (int, error)
// Demux receives a buffer the receiver must decode and pass on to corresponding child StackNode(s).
// The receiver's start byte is at carrierData[frameOffset].
Demux(carrierData []byte, frameOffset int) error
// The receiver's start byte is at carrierData[offsetToFrame].
Demux(carrierData []byte, offsetToFrame int) error
// LocalPort returns the port of the node if applicable or zero. Used for UDP/TCP nodes.
LocalPort() uint16
// Protocol returns the protocol of this node if applicable or zero. Usually either a ethernet.Type (EtherType) or lneto.IPProto (IP Protocol number).