P4::EBPF::EBPFHashAlgorithmPSA Class Reference

Inheritance diagram for P4::EBPF::EBPFHashAlgorithmPSA:

Public Types
typedef std::vector< const IR::Expression * >	ArgumentsList
enum	HashAlgorithm {   IDENTITY , CRC32 , CRC32_CUSTOM , CRC16 ,   CRC16_CUSTOM , ONES_COMPLEMENT16 , TARGET_DEFAULT }
	Keep this enum in sync with psa.p4 file.

Public Member Functions
	EBPFHashAlgorithmPSA (const EBPFProgram *program, cstring name)
virtual void	emitAddData (CodeBuilder *builder, const ArgumentsList &arguments)=0
virtual void	emitAddData (CodeBuilder *builder, int dataPos, const IR::MethodCallExpression *expr)
virtual void	emitClear (CodeBuilder *builder)=0
virtual void	emitGet (CodeBuilder *builder)=0
virtual void	emitGetInternalState (CodeBuilder *builder)=0
virtual void	emitSetInternalState (CodeBuilder *builder, const IR::MethodCallExpression *expr)=0
virtual void	emitSubtractData (CodeBuilder *builder, const ArgumentsList &arguments)=0
virtual void	emitSubtractData (CodeBuilder *builder, int dataPos, const IR::MethodCallExpression *expr)
virtual void	emitVariables (CodeBuilder *builder, const IR::Declaration_Instance *decl)=0
	decl might be a null pointer
virtual unsigned	getOutputWidth () const
void	setVisitor (Visitor *instance)
Public Member Functions inherited from P4::EBPF::EBPFObject
	DECLARE_TYPEINFO (EBPFObject)
Public Member Functions inherited from P4::ICastable
template<typename T >
T &	as ()
	Tries to convert the class to type T. A BUG occurs if the cast fails.
template<typename T >
const T &	as () const
	Tries to convert the class to type T. A BUG occurs if the cast fails.
template<typename T >
T *	checkedTo ()
	Performs a checked cast. A BUG occurs if the cast fails.
template<typename T >
const T *	checkedTo () const
	Performs a checked cast. A BUG occurs if the cast fails.
Public Member Functions inherited from P4::RTTI::Base
template<typename T >
bool	is () const noexcept
virtual bool	isA (TypeId typeId) const noexcept=0
template<typename T >
const T *	to () const noexcept
	Same as to, but returns const pointer to T.
template<typename T >
T *	to () noexcept
virtual TypeId	typeId () const noexcept=0

Protected Member Functions
ArgumentsList	unpackArguments (const IR::MethodCallExpression *expr, int dataPos)
Protected Member Functions inherited from P4::RTTI::Base
virtual const void *	toImpl (TypeId typeId) const noexcept=0

Protected Attributes
cstring	baseName
const EBPFProgram *	program
Visitor *	visitor

Additional Inherited Members
Static Public Member Functions inherited from P4::EBPF::EBPFObject
static cstring	externalName (const IR::IDeclaration *declaration)
static cstring	getSpecializedTypeName (const IR::Declaration_Instance *di)
static cstring	getTypeName (const IR::Declaration_Instance *di)

Member Function Documentation

emitAddData()

virtual void P4::EBPF::EBPFHashAlgorithmPSA::emitAddData ( CodeBuilder * builder, const ArgumentsList & arguments )

pure virtual

Implemented in P4::EBPF::CRCChecksumAlgorithm.

emitVariables()

virtual void P4::EBPF::EBPFHashAlgorithmPSA::emitVariables ( CodeBuilder * builder, const IR::Declaration_Instance * decl )

pure virtual

decl might be a null pointer

Implemented in P4::EBPF::CRCChecksumAlgorithm, P4::EBPF::InternetChecksumAlgorithm, and P4::TC::InternetChecksumAlgorithmPNA.