Date: Mon, 19 Sep 2016 10:41:38 +0000 From: KrishnamRaju ErapaRaju <Krishna2@chelsio.com> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: RE: unable to use BPF Just-In-Time compiler Message-ID: <BN4PR12MB0818C8FD374C179C45953DF094F40@BN4PR12MB0818.namprd12.prod.outlook.com> In-Reply-To: <3F7A8F51-D404-4FEF-910C-8E51DD5061AD@lists.zabbadoz.net> References: <BN4PR12MB0818CC41AAD82420B3C3EB3A94F00@BN4PR12MB0818.namprd12.prod.outlook.com> <3F7A8F51-D404-4FEF-910C-8E51DD5061AD@lists.zabbadoz.net>
next in thread | previous in thread | raw e-mail | index | archive | help
Thanks for your response Bjeorn. I added "device bpf_jitter" line as you suggested, but not luck. Still no code under BPF_JITTER macro is executing. Please help me enabling JIT compiler. Thanks, Krishna. -----Original Message----- From: Bjoern A. Zeeb [mailto:bzeeb-lists@lists.zabbadoz.net]=20 Sent: Sunday, September 18, 2016 2:41 AM To: KrishnamRaju ErapaRaju <Krishna2@chelsio.com> Cc: freebsd-net@freebsd.org Subject: Re: unable to use BPF Just-In-Time compiler On 15 Sep 2016, at 5:32, KrishnamRaju ErapaRaju wrote: > Hi, > > I want to use BPF JIT Kernel APIs in FreeBSD(like: bpf_jitter(),=20 > etc..), for implementing TCP connection packet filtering. > > I have followed below instructions as specified in:=20 > https://lists.freebsd.org/pipermail/freebsd-current/2005-December/0586 > 03.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=3DMYKERNEL > make installkernel KERNCONF=3DMYKERNEL > reboot > > But after reboot the flag BPF_JITTER is not getting enabled(all the=20 > 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=20 > 2005, is it stable? anyone using it? > > Thanks, > Krishna. > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?BN4PR12MB0818C8FD374C179C45953DF094F40>