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Checksum simplification proposal (#29)

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* Simplified checksum calculation and verification

* Fixed tests

* UDP: using NewBoundedFrame to create a Frame instance limited to the actual frame size.

* Minor: renamed some functions

* Commented and made more readable consecutive SetCRC calls.

* Fixed icmp checksum calculation after rebase

* Replaced NewBoundedFrame with explicit validation
This commit is contained in:
ddirect
2026-02-05 22:35:42 +02:00
committed by GitHub
parent cd51bd6c3f
commit fba97c990a
13 changed files with 139 additions and 228 deletions
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internet/pcap/capture_test.go
+1
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@@ -447,6 +447,7 @@ func ExampleFormatter_dhcp() {
totalLen := ipv4Size + udpSize + dhcpLen
ifrm.SetTotalLength(uint16(totalLen))
ufrm.SetLength(uint16(udpSize + dhcpLen))
// The CRC field is already zero here.
ifrm.SetCRC(ifrm.CalculateHeaderCRC())
pkt = pkt[:ethSize+totalLen]