GRE/gif/netgraph tunnel speed on 10Gbit channel

[Vitalij Satanivskij]

Hello.

Looks like it's inposible to set as sysctl are readonly and through loader.conf it's also not setable.

AVE> You can try to increase kern.ipc.max_linkhdr up to 60-80 bytes.
AVE> I think this can increase throughput a bit, since this can reduce the
AVE> need to allocate extra mbuf when new IP header is encapsulated.
AVE> 
AVE> -- 
AVE> WBR, Andrey V. Elsukov
AVE>