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39 lines
1.1 KiB
39 lines
1.1 KiB
/* -*- P4_16 -*- */ |
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#ifndef CHECKSUMS_P4 |
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#define CHECKSUMS_P4 |
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#include <core.p4> |
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#include <v1model.p4> |
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#include "headers.p4" |
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/************************************************************************* |
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************* C H E C K S U M V E R I F I C A T I O N ************* |
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*************************************************************************/ |
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control MyVerifyChecksum(inout headers hdr, inout metadata meta) { |
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apply {} |
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} |
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/************************************************************************* |
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************** C H E C K S U M C O M P U T A T I O N ************** |
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*************************************************************************/ |
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control MyComputeChecksum(inout headers hdr, inout metadata meta) { |
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apply { |
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update_checksum_with_payload(meta.do_cksum, |
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{ |
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hdr.ipv6.src_addr, /* 128 */ |
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hdr.ipv6.dst_addr, /* 128 */ |
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meta.cast_length, /* 32 */ |
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24w0, /* 24 0's */ |
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PROTO_ICMP6 /* 8 */ |
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}, |
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hdr.icmp6.checksum, |
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HashAlgorithm.csum16 |
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); |
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} |
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} |
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#endif
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