GRE/gif/netgraph tunnel speed on 10Gbit channel

[Andrey V. Elsukov]

On 29.05.2018 13:05, Vitalij Satanivskij wrote:
> 
> 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.

Hm, yes it is readonly. Probably I thought about my local patches...
You can try this kernel module to change this value in run time.

-- 
WBR, Andrey V. Elsukov
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# $FreeBSD$

KMOD=	linkhdr
SRCS=	main.c
MK_MAN=	no

.include <bsd.kmod.mk>
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