Date: Mon, 19 Sep 2016 21:17:57 +0000 From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: "KrishnamRaju ErapaRaju" <Krishna2@chelsio.com> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: unable to use BPF Just-In-Time compiler Message-ID: <315A03D6-4E89-4C23-8E37-BC52643B5DC6@lists.zabbadoz.net> In-Reply-To: <3f462411-c691-f3b8-35f4-f1904c4b84aa@FreeBSD.org> References: <BN4PR12MB0818CC41AAD82420B3C3EB3A94F00@BN4PR12MB0818.namprd12.prod.outlook.com> <3F7A8F51-D404-4FEF-910C-8E51DD5061AD@lists.zabbadoz.net> <3f462411-c691-f3b8-35f4-f1904c4b84aa@FreeBSD.org>
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On 19 Sep 2016, at 16:04, Jung-uk Kim wrote: > 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/058= 603.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. Ok, let=E2=80=99s see; if you boot your own kernel, what does sysctl net.bpf_jitter.enable say? /bz
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