Date: Thu, 11 Nov 2010 21:04:24 GMT From: "John A. Murphy" <murf@perftech.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/152148: vnet_pfil_init() happens too late if pfil_head_register() is called from if_ethersubr.c Message-ID: <201011112104.oABL4OSv039525@www.freebsd.org> Resent-Message-ID: <201011112110.oABLA52c002036@freefall.freebsd.org>
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>Number: 152148 >Category: misc >Synopsis: vnet_pfil_init() happens too late if pfil_head_register() is called from if_ethersubr.c >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: change-request >Submitter-Id: current-users >Arrival-Date: Thu Nov 11 21:10:05 UTC 2010 >Closed-Date: >Last-Modified: >Originator: John A. Murphy >Release: 8.1-Release >Organization: PerfTech >Environment: FreeBSD freebsd64.perftech.com 8.1-RELEASE FreeBSD 8.1-RELEASE #12: Fri Oct 29 14:07:28 CDT 2010 root@freebsd64.perftech.com:/usr/obj/usr/src/sys/GENERIC amd64 >Description: I'd like to add a pfil_hook in if_ethersubr.c, similar to the one in NetBSD, but vnet_pfil_init() happens AFTER ether_ifattach(), so the filter registered in either_ifattach()is lost when vnet_pfil_init() invokes LIST_INIT(&V_pfil_head_list). >How-To-Repeat: Build a kernel that registers a pfil_hook in ether_ifattach() and load a module that tries to use that filter. OR --- look at the code and take my word for it. >Fix: Unknown --- maybe change order of execution. >Release-Note: >Audit-Trail: >Unformatted:
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