Tofino::IXBar::Use Struct Reference

Inheritance diagram for Tofino::IXBar::Use:

Classes
struct	Bits
struct	HashDistHash
struct	MeterAluHash
struct	ProxyHashKey
struct	SaluInputSource

Public Member Functions
void	add (const Use &alloc)
safe_vector< Byte >	atcam_partition (int *hash_group=nullptr) const override
safe_vector< TotalInfo >	bits_per_search_bus () const
void	clear () override
Use *	clone () const override
unsigned	compute_hash_tables ()
void	dbprint (std::ostream &) const override
bool	emit_gateway_asm (const MauAsmOutput &, std::ostream &, indent_t, const IR::MAU::Table *) const override
void	emit_ixbar_asm (const PhvInfo &phv, std::ostream &out, indent_t indent, const TableMatch *fmt, const IR::MAU::Table *) const override
void	emit_ixbar_hash_table (int hash_table, safe_vector< Slice > &match_data, safe_vector< Slice > &ghost, const TableMatch *fmt, std::map< int, std::map< int, Slice > > &sort) const override
void	emit_salu_bytemasks (std::ostream &out, indent_t indent) const override
bool	empty () const override
bitvec	galois_matrix_bits () const override
const std::map< int, const IR::Expression * > &	hash_computed_expressions () const override
int	hash_dist_hash_group () const override
std::string	hash_dist_used_for () const override
int	hash_groups () const override
bool	is_parity_enabled () const override
TotalBytes	match_hash (safe_vector< int > *hash_groups=nullptr) const override
bitvec	meter_bit_mask () const override
bool	search_data () const
int	ternary_align (const Loc &) const override
int	total_input_bits () const override
void	update_resources (int, BFN::Resources::StageResources &) const override
const char *	way_source_kind () const override
Public Member Functions inherited from IXBar::Use
virtual void	add (const Use &alloc)
bool	allocated ()
virtual TotalBytes	atcam_match () const
virtual bool	emit_gateway_asm (const MauAsmOutput &, std::ostream &, indent_t, const IR::MAU::Table *) const =0
int	findBytesOnIxbar (const PHV::FieldSlice &sl) const
virtual int	gateway_group () const
virtual int	groups () const
virtual int	search_buses_single () const
std::string	used_for () const

Public Attributes
safe_vector< Bits >	bit_use
safe_vector< const IR::Expression * >	field_list_order
bool	gw_hash_group = false
bool	gw_search_bus = false
int	gw_search_bus_bytes = 0
struct Tofino::IXBar::Use::HashDistHash	hash_dist_hash
HashDistDest_t	hash_dist_type = HD_DESTS
bitvec	hash_seed [HASH_GROUPS]
unsigned	hash_table_inputs [HASH_GROUPS] = { 0 }
struct Tofino::IXBar::Use::MeterAluHash	meter_alu_hash
parity_status_t	parity = PARITY_NONE
struct Tofino::IXBar::Use::ProxyHashKey	proxy_hash_key_use
struct Tofino::IXBar::Use::SaluInputSource	salu_input_source
LTBitMatrix	symmetric_keys
Public Attributes inherited from IXBar::Use
enum IXBar::Use::type_t	type = TYPES
safe_vector< Byte >	use
std::string	used_by
safe_vector< Way >	way_use

Additional Inherited Members
Public Types inherited from IXBar::Use
enum	flags_t {   NeedRange = 1 , NeedXor = 2 , Align16lo = 4 , Align16hi = 8 ,   Align32lo = 16 , Align32hi = 32 }
typedef safe_vector< safe_vector< Byte > * >	TotalBytes
enum	type_t {   EXACT_MATCH , ATCAM_MATCH , TERNARY_MATCH , TRIE_MATCH ,   GATEWAY , ACTION , PROXY_HASH , SELECTOR ,   METER , STATEFUL_ALU , HASH_DIST , TYPES }

Member Function Documentation

atcam_partition()

safe_vector< IXBar::Use::Byte > Tofino::IXBar::Use::atcam_partition ( int * hash_group = nullptr ) const

overridevirtual

Provides the bytes and hash group location of the partition index of an atcam table

Reimplemented from IXBar::Use.

bits_per_search_bus()

safe_vector< IXBar::Use::TotalInfo > Tofino::IXBar::Use::bits_per_search_bus ( ) const

virtual

Provides information per search bus of how many bytes/bits a particular section of table uses in order to determine what section is the best candidate to ghost off

Reimplemented from IXBar::Use.

clear()

void Tofino::IXBar::Use::clear ( )

inlineoverridevirtual

Reimplemented from IXBar::Use.

clone()

Use * Tofino::IXBar::Use::clone ( ) const

inlineoverridevirtual

Implements IXBar::Use.

compute_hash_tables()

unsigned IXBar::Use::compute_hash_tables ( )

virtual

Reimplemented from IXBar::Use.

dbprint()

void IXBar::Use::dbprint ( std::ostream & out ) const

overridevirtual

Reimplemented from IXBar::Use.

emit_ixbar_asm()

void Tofino::IXBar::Use::emit_ixbar_asm ( const PhvInfo & phv, std::ostream & out, indent_t indent, const TableMatch * fmt, const IR::MAU::Table * tbl ) const

overridevirtual

Implements IXBar::Use.

emit_ixbar_hash_table()

void IXBar::Use::emit_ixbar_hash_table ( int hash_table, safe_vector< Slice > & match_data, safe_vector< Slice > & ghost, const TableMatch * fmt, std::map< int, std::map< int, Slice > > & sort ) const

overridevirtual

Implements IXBar::Use.

emit_salu_bytemasks()

void IXBar::Use::emit_salu_bytemasks ( std::ostream & out, indent_t indent ) const

overridevirtual

Implements IXBar::Use.

empty()

bool Tofino::IXBar::Use::empty ( ) const

inlineoverridevirtual

Reimplemented from IXBar::Use.

galois_matrix_bits()

bitvec Tofino::IXBar::Use::galois_matrix_bits ( ) const

inlineoverridevirtual

Implements IXBar::Use.

hash_computed_expressions()

const std::map< int, const IR::Expression * > & Tofino::IXBar::Use::hash_computed_expressions ( ) const

inlineoverridevirtual

Implements IXBar::Use.

hash_dist_hash_group()

int Tofino::IXBar::Use::hash_dist_hash_group ( ) const

inlineoverridevirtual

Implements IXBar::Use.

hash_dist_used_for()

std::string Tofino::IXBar::Use::hash_dist_used_for ( ) const

inlineoverridevirtual

Implements IXBar::Use.

hash_groups()

int IXBar::Use::hash_groups ( ) const

overridevirtual

Implements IXBar::Use.

is_parity_enabled()

bool Tofino::IXBar::Use::is_parity_enabled ( ) const

inlineoverridevirtual

Implements IXBar::Use.

match_hash()

IXBar::Use::TotalBytes IXBar::Use::match_hash ( safe_vector< int > * hash_groups = nullptr ) const

overridevirtual

Returns each vector of match data. If multiple hash groups are used, then the allocation, per hash group is provided

Reimplemented from IXBar::Use.

meter_bit_mask()

bitvec Tofino::IXBar::Use::meter_bit_mask ( ) const

inlineoverridevirtual

Implements IXBar::Use.

ternary_align()

int IXBar::Use::ternary_align ( const Loc & loc ) const

overridevirtual

Implements IXBar::Use.

total_input_bits()

int Tofino::IXBar::Use::total_input_bits ( ) const

inlineoverridevirtual

Implements IXBar::Use.

update_resources()

void IXBar::Use::update_resources ( int stage, BFN::Resources::StageResources & stageResource ) const

overridevirtual

Reimplemented from IXBar::Use.

way_source_kind()

const char * Tofino::IXBar::Use::way_source_kind ( ) const

inlineoverridevirtual

Implements IXBar::Use.