sys/net/ipv4: add header print function - #22678
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The internet header length occupies the four least significant bits, of the combined version-internet header length field. Its value ( multiplied by four) indicates the length of the IPv4 header.
This adds the header checksum and the internet checksum methods.
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Sep 9, 2026
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This could be extended a bit.
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State: waiting for other PR
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Contribution description
Note
This PR is still draft, because it also contains the commits of #22677.
This adds a header print utility, just like
ipv6_hdr_print. This will eventually be used bygnrc_pktdump.Testing procedure
This PR does not add any tests for this.
Issues/PRs references
#22676
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