On 15 Sep 2016, at 5:32, KrishnamRaju ErapaRaju wrote:
Hi,
I want to use BPF JIT Kernel APIs in FreeBSD(like: bpf_jitter(),
etc..), for implementing TCP connection packet filtering.
I have followed below instructions as specified in:
https://lists.freebsd.org/pipermail/freebsd-current/2005-December/058603.html
STEPS followed:
---------------------
cp /usr/src/sys/amd64/conf/GENERIC /usr/src/sys/amd64/conf/MYKERNEL
And added below line in MYKERNEL config file.
options BPF_JITTER
I think you want
device bpf_jitter
The options line to my understanding only turns it on by default.
make buildkernel KERNCONF=MYKERNEL
make installkernel KERNCONF=MYKERNEL
reboot
But after reboot the flag BPF_JITTER is not getting enabled(all the
code inside "#ifdef BPF_JITTER" is not getting executed).
Am I missing something?
Also it looks like there are not many updates to BPF JIT code since
2005, is it stable? anyone using it?
Thanks,
Krishna.
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