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* tc template code change for default miss action * NoAction case generation in c code for tc backend * default case deletion in c code for tc backend * p4tc testcases output updated
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| #include <core.p4> | ||
| #include <tc/pna.p4> | ||
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| typedef bit<48> EthernetAddress; | ||
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| header ethernet_t { | ||
| EthernetAddress dstAddr; | ||
| EthernetAddress srcAddr; | ||
| bit<16> etherType; | ||
| } | ||
|
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| header ipv4_t { | ||
| bit<4> version; | ||
| bit<4> ihl; | ||
| bit<8> diffserv; | ||
| bit<16> totalLen; | ||
| bit<16> identification; | ||
| bit<3> flags; | ||
| bit<13> fragOffset; | ||
| bit<8> ttl; | ||
| bit<8> protocol; | ||
| bit<16> hdrChecksum; | ||
| @tc_type ("ipv4") bit<32> srcAddr; | ||
| @tc_type ("ipv4") bit<32> dstAddr; | ||
| } | ||
|
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||
| ////////////////////////////////////////////////////////////////////// | ||
| // Struct types for holding user-defined collections of headers and | ||
| // metadata in the P4 developer's program. | ||
| // | ||
| // Note: The names of these struct types are completely up to the P4 | ||
| // developer, as are their member fields, with the only restriction | ||
| // being that the structs intended to contain headers should only | ||
| // contain members whose types are header, header stack, or | ||
| // header_union. | ||
| ////////////////////////////////////////////////////////////////////// | ||
|
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| struct main_metadata_t { | ||
| // empty for this skeleton | ||
| } | ||
|
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| // User-defined struct containing all of those headers parsed in the | ||
| // main parser. | ||
| struct headers_t { | ||
| ethernet_t ethernet; | ||
| ipv4_t ipv4; | ||
| } | ||
|
|
||
| parser MainParserImpl( | ||
| packet_in pkt, | ||
| out headers_t hdr, | ||
| inout main_metadata_t main_meta, | ||
| in pna_main_parser_input_metadata_t istd) | ||
| { | ||
| state start { | ||
| pkt.extract(hdr.ethernet); | ||
| transition select(hdr.ethernet.etherType) { | ||
| 0x0800 : parse_ipv4; | ||
| default : accept; | ||
| } | ||
| } | ||
| state parse_ipv4 { | ||
| pkt.extract(hdr.ipv4); | ||
| transition accept; | ||
| } | ||
| } | ||
|
|
||
| control MainControlImpl( | ||
| inout headers_t hdr, // from main parser | ||
| inout main_metadata_t user_meta, // from main parser, to "next block" | ||
| in pna_main_input_metadata_t istd, | ||
| inout pna_main_output_metadata_t ostd) | ||
| { | ||
| action next_hop(PortId_t vport) { | ||
| send_to_port(vport); | ||
| } | ||
| action dflt_route_drop() { | ||
| drop_packet(); | ||
| } | ||
| action drop() { | ||
| drop_packet(); | ||
| } | ||
|
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||
| table ipv4_tbl_1 { | ||
| key = { | ||
| hdr.ipv4.dstAddr : exact; | ||
| istd.input_port : exact; | ||
| } | ||
| actions = { | ||
| next_hop; | ||
| dflt_route_drop; | ||
| } | ||
| default_action = next_hop((PortId_t)8); | ||
| } | ||
| table ipv4_tbl_2 { | ||
| key = { | ||
| hdr.ipv4.dstAddr : exact; | ||
| hdr.ipv4.srcAddr : exact; | ||
| hdr.ipv4.protocol : exact; | ||
| } | ||
| actions = { | ||
| next_hop; | ||
| drop; | ||
| } | ||
| default_action = drop; | ||
| } | ||
|
|
||
| apply { | ||
| if (hdr.ipv4.isValid()) { | ||
| ipv4_tbl_1.apply(); | ||
| ipv4_tbl_2.apply(); | ||
| } | ||
| } | ||
| } | ||
|
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||
| control MainDeparserImpl( | ||
| packet_out pkt, | ||
| inout headers_t hdr, // from main control | ||
| in main_metadata_t user_meta, // from main control | ||
| in pna_main_output_metadata_t ostd) | ||
| { | ||
| apply { | ||
| pkt.emit(hdr.ethernet); | ||
| pkt.emit(hdr.ipv4); | ||
| } | ||
| } | ||
|
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| // BEGIN:Package_Instantiation_Example | ||
| PNA_NIC( | ||
| MainParserImpl(), | ||
| MainControlImpl(), | ||
| MainDeparserImpl() | ||
| ) main; | ||
| // END:Package_Instantiation_Example |
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