IP reassembly

[Andrey V. Elsukov]

On 22.09.2020 15:40, Eugene Grosbein wrote:
> Hi!
> 
> Is our IP reassembly facility supposed to handle incoming out-of-order fragments?
> For example, IPIP packet created with gif(4) interface is fragmented with two parts,
> and parts are delivered out of order, last fragment comes first.
> 
> In fact, I see this results in broken reassembly.

Hi,

IP reassembly is done in ip_input(), it doesn't matter what UL protocol
is inside. Do you have some traces? You can use dtrace fbt probes to
track your datagramms.

-- 
WBR, Andrey V. Elsukov

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