checksum

package

v0.0.0-...-113f59a Latest Latest Go to latest Published: Feb 16, 2024 License: BSD-3-Clause Imports: 6 Imported by: 0

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Repository

github.com/Creling/tailscale

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Documentation ¶

Overview ¶

Package checksum provides functions for updating checksums in parsed packets.

Index ¶

func UpdateDstAddr(q *packet.Parsed, dst netip.Addr)
func UpdateSrcAddr(q *packet.Parsed, src netip.Addr)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func UpdateDstAddr ¶

func UpdateDstAddr(q *packet.Parsed, dst netip.Addr)

UpdateDstAddr updates the destination address in the packet buffer (e.g. during DNAT). It also updates the checksum. Currently (2022-12-10) only TCP/UDP/ICMP is supported. It panics if provided with an address in a different family to the parsed packet.

func UpdateSrcAddr ¶

func UpdateSrcAddr(q *packet.Parsed, src netip.Addr)

UpdateSrcAddr updates the source address in the packet buffer (e.g. during SNAT). It also updates the checksum. Currently (2023-09-22) only TCP/UDP/ICMP is supported. It panics if provided with an address in a different family to the parsed packet.

Types ¶

This section is empty.

Source Files ¶

View all Source files

checksum.go

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