Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <[email protected]>:
On Wed, 21 Jan 2026 13:46:44 +0200 you wrote:
> RFC 4884 extended certain ICMP messages with a length attribute that
> encodes the length of the "original datagram" field. This is needed so
> that new information could be appended to these messages without
> applications thinking that it is part of the "original datagram" field.
>
> In version 5.9, the kernel was extended with two new socket options
> (SOL_IP/IP_RECVERR_4884 and SOL_IPV6/IPV6_RECVERR_RFC4884) that allow
> user space to retrieve this length which is basically the offset to the
> ICMP Extension Structure at the end of the ICMP message. This is
> required by user space applications that need to parse the information
> contained in the ICMP Extension Structure. For example, the RFC 5837
> extension for tracepath.
>
> [...]
Here is the summary with links:
- [net-next,v2] selftests: net: Add kernel selftest for RFC 4884
https://git.kernel.org/netdev/net-next/c/d07d7c3dd944
You are awesome, thank you!
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