On 09/17/2016 17:11, Bjoern A. Zeeb wrote: > 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.
"options BPF_JITTER" works. I don't know why the OP thinks that it doesn't work, though. Jung-uk Kim >> 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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