gem5  v20.1.0.0
RoutingUnit.hh
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29 
30 
31 #ifndef __MEM_RUBY_NETWORK_GARNET_0_ROUTINGUNIT_HH__
32 #define __MEM_RUBY_NETWORK_GARNET_0_ROUTINGUNIT_HH__
33 
39 
40 class InputUnit;
41 class Router;
42 
44 {
45  public:
46  RoutingUnit(Router *router);
47  int outportCompute(RouteInfo route,
48  int inport,
49  PortDirection inport_dirn);
50 
51  // Topology-agnostic Routing Table based routing (default)
52  void addRoute(std::vector<NetDest>& routing_table_entry);
53  void addWeight(int link_weight);
54 
55  // get output port from routing table
56  int lookupRoutingTable(int vnet, NetDest net_dest);
57 
58  // Topology-specific direction based routing
59  void addInDirection(PortDirection inport_dirn, int inport);
60  void addOutDirection(PortDirection outport_dirn, int outport);
61 
62  // Routing for Mesh
63  int outportComputeXY(RouteInfo route,
64  int inport,
65  PortDirection inport_dirn);
66 
67  // Custom Routing Algorithm using Port Directions
69  int inport,
70  PortDirection inport_dirn);
71 
72  // Returns true if vnet is present in the vector
73  // of vnets or if the vector supports all vnets.
74  bool supportsVnet(int vnet, std::vector<int> sVnets);
75 
76 
77  private:
79 
80  // Routing Table
83 
84  // Inport and Outport direction to idx maps
85  std::map<PortDirection, int> m_inports_dirn2idx;
86  std::map<int, PortDirection> m_inports_idx2dirn;
87  std::map<int, PortDirection> m_outports_idx2dirn;
88  std::map<PortDirection, int> m_outports_dirn2idx;
89 };
90 
91 #endif // __MEM_RUBY_NETWORK_GARNET_0_ROUTINGUNIT_HH__
RoutingUnit::m_inports_idx2dirn
std::map< int, PortDirection > m_inports_idx2dirn
Definition: RoutingUnit.hh:86
RouteInfo
Definition: CommonTypes.hh:47
RoutingUnit::addRoute
void addRoute(std::vector< NetDest > &routing_table_entry)
Definition: RoutingUnit.cc:47
RoutingUnit::outportComputeXY
int outportComputeXY(RouteInfo route, int inport, PortDirection inport_dirn)
Definition: RoutingUnit.cc:198
std::vector< NetDest >
GarnetNetwork.hh
RoutingUnit::supportsVnet
bool supportsVnet(int vnet, std::vector< int > sVnets)
Definition: RoutingUnit.cc:64
CommonTypes.hh
RoutingUnit::addWeight
void addWeight(int link_weight)
Definition: RoutingUnit.cc:58
RoutingUnit::m_routing_table
std::vector< std::vector< NetDest > > m_routing_table
Definition: RoutingUnit.hh:81
RoutingUnit::m_outports_idx2dirn
std::map< int, PortDirection > m_outports_idx2dirn
Definition: RoutingUnit.hh:87
RoutingUnit::m_inports_dirn2idx
std::map< PortDirection, int > m_inports_dirn2idx
Definition: RoutingUnit.hh:85
Router
Definition: Router.hh:56
RoutingUnit::addInDirection
void addInDirection(PortDirection inport_dirn, int inport)
Definition: RoutingUnit.cc:139
RoutingUnit::outportComputeCustom
int outportComputeCustom(RouteInfo route, int inport, PortDirection inport_dirn)
Definition: RoutingUnit.cc:256
flit.hh
RoutingUnit::lookupRoutingTable
int lookupRoutingTable(int vnet, NetDest net_dest)
Definition: RoutingUnit.cc:87
RoutingUnit
Definition: RoutingUnit.hh:43
Consumer.hh
RoutingUnit::RoutingUnit
RoutingUnit(Router *router)
Definition: RoutingUnit.cc:39
PortDirection
std::string PortDirection
Definition: Topology.hh:62
RoutingUnit::m_weight_table
std::vector< int > m_weight_table
Definition: RoutingUnit.hh:82
RoutingUnit::addOutDirection
void addOutDirection(PortDirection outport_dirn, int outport)
Definition: RoutingUnit.cc:146
RoutingUnit::outportCompute
int outportCompute(RouteInfo route, int inport, PortDirection inport_dirn)
Definition: RoutingUnit.cc:159
NetDest
Definition: NetDest.hh:39
InputUnit
Definition: InputUnit.hh:46
NetDest.hh
RoutingUnit::m_outports_dirn2idx
std::map< PortDirection, int > m_outports_dirn2idx
Definition: RoutingUnit.hh:88
RoutingUnit::m_router
Router * m_router
Definition: RoutingUnit.hh:78

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