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P4C-DPDK - Incorrect constant value when there is a substract operati…
…on involved with a constant
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| /* -*- P4_16 -*- */ | ||
| #include <core.p4> | ||
| #include <psa.p4> | ||
|
|
||
| /************ H E A D E R S ******************************/ | ||
| #define MAX_LAYERS 2 | ||
|
|
||
| struct EMPTY {}; | ||
|
|
||
| header ethernet_t { | ||
| bit<48> dst_addr; | ||
| bit<48> src_addr; | ||
| bit<16> ether_type; | ||
| } | ||
|
|
||
| header udp_t { | ||
| bit<16> sport; | ||
| bit<16> dport; | ||
| bit<16> length; | ||
| bit<16> csum; | ||
| } | ||
|
|
||
| struct headers_t { | ||
| ethernet_t ethernet; | ||
| udp_t[MAX_LAYERS] udp; | ||
| } | ||
|
|
||
| struct user_meta_data_t { | ||
| bit<48> addr; | ||
| bit<3> depth1; | ||
| bit<5> depth2; | ||
| bit<5> depth3; | ||
| bit<5> depth4; | ||
| bit<5> depth5; | ||
| bit<5> depth6; | ||
| bit<5> depth7; | ||
| } | ||
|
|
||
| /************************************************************************* | ||
| **************** I N G R E S S P R O C E S S I N G ***************** | ||
| *************************************************************************/ | ||
| parser MyIngressParser( | ||
| packet_in pkt, | ||
| out headers_t hdr, | ||
| inout user_meta_data_t m, | ||
| in psa_ingress_parser_input_metadata_t c, | ||
| in EMPTY d, | ||
| in EMPTY e) { | ||
|
|
||
| state start { | ||
| m.depth1 = m.depth1 - 1; | ||
| pkt.extract(hdr.ethernet); | ||
| transition accept; | ||
| } | ||
| } | ||
|
|
||
| control MyIngressControl( | ||
| inout headers_t hdrs, | ||
| inout user_meta_data_t meta, | ||
| in psa_ingress_input_metadata_t c, | ||
| inout psa_ingress_output_metadata_t d) { | ||
| bit<5> var1 = 8; | ||
| bit<5> var2 = 2; | ||
| int<33> var3; | ||
| int<33> var4 = var3 - 3; | ||
| action nonDefAct() { | ||
| if (var4 == 3) { | ||
| meta.depth3 = meta.depth3 - 3; | ||
| meta.depth4 = var1 + var2; | ||
| meta.depth5 = var1 ^ 2; | ||
| meta.depth6 = var2 - 1; | ||
| meta.depth7 = var2 + 3; | ||
| } | ||
| } | ||
|
|
||
| table stub { | ||
| key = {} | ||
|
|
||
| actions = { | ||
| nonDefAct; | ||
| } | ||
| const default_action = nonDefAct; | ||
| size=1000000; | ||
| } | ||
|
|
||
| apply { | ||
| meta.depth4 = meta.depth2 - 4; | ||
| d.egress_port = (PortId_t) ((bit <32>) c.ingress_port ^ 1); | ||
| stub.apply(); | ||
| } | ||
| } | ||
|
|
||
| control MyIngressDeparser( | ||
| packet_out pkt, | ||
| out EMPTY a, | ||
| out EMPTY b, | ||
| out EMPTY c, | ||
| inout headers_t hdr, | ||
| in user_meta_data_t e, | ||
| in psa_ingress_output_metadata_t f) { | ||
|
|
||
| apply { | ||
| pkt.emit(hdr.ethernet); | ||
| } | ||
| } | ||
|
|
||
| /************************************************************************* | ||
| **************** E G R E S S P R O C E S S I N G ******************* | ||
| *************************************************************************/ | ||
| parser MyEgressParser( | ||
| packet_in pkt, | ||
| out EMPTY a, | ||
| inout EMPTY b, | ||
| in psa_egress_parser_input_metadata_t c, | ||
| in EMPTY d, | ||
| in EMPTY e, | ||
| in EMPTY f) { | ||
| state start { | ||
| transition accept; | ||
| } | ||
| } | ||
|
|
||
| control MyEgressControl( | ||
| inout EMPTY a, | ||
| inout EMPTY b, | ||
| in psa_egress_input_metadata_t c, | ||
| inout psa_egress_output_metadata_t d) { | ||
| apply {} | ||
| } | ||
| control MyEgressDeparser( | ||
| packet_out pkt, | ||
| out EMPTY a, | ||
| out EMPTY b, | ||
| inout EMPTY c, | ||
| in EMPTY d, | ||
| in psa_egress_output_metadata_t e, | ||
| in psa_egress_deparser_input_metadata_t f) { | ||
| apply {} | ||
| } | ||
|
|
||
| /************ F I N A L P A C K A G E ******************************/ | ||
| IngressPipeline(MyIngressParser(), MyIngressControl(), MyIngressDeparser()) ip; | ||
|
|
||
| EgressPipeline(MyEgressParser(), MyEgressControl(), MyEgressDeparser()) ep; | ||
|
|
||
| PSA_Switch(ip, PacketReplicationEngine(), ep, BufferingQueueingEngine()) main; |
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