Date: Mon, 20 Feb 2012 10:56:54 GMT From: Fabrice Bruel <fabrice.bruel@orange.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/165315: States never cleared in PF with DEVICE_POLLING Message-ID: <201202201056.q1KAusxT003883@red.freebsd.org> Resent-Message-ID: <201202201100.q1KB0Ok3080501@freefall.freebsd.org>
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>Number: 165315 >Category: kern >Synopsis: States never cleared in PF with DEVICE_POLLING >Confidential: no >Severity: critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Feb 20 11:00:24 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Fabrice Bruel >Release: 8.1 release p8 >Organization: Equant >Environment: FreeBSD HP360FBSD81 8.1-RELEASE-p8 FreeBSD 8.1-RELEASE-p8 #12: Fri Feb 17 13:17:11 GMT 2012 root@HP360FBSD81:/usr/obj/usr/src/sys/FBSD81PF amd64 >Description: I'm testing hardware to improve a high load firewall. I'm using HP 360G7 and a Intel Quad port 82571EB (em(4)). In this hardware, if I don't activate DEVICE_POLLING, network rate is very poor and sinusoidale. If I activate DEVICE_POLLING, network is stable and fast, but : - in 8.1p8, PF and rules over physical interfaces (em0 and em1) work perfectly, but if I applied PF rules on Vlan interfaces, many states would be never cleared - in 8-STABLE is worse, a lot of state are never cleared on physical interfaces I'm using PF in kernel mode. >How-To-Repeat: Enabling DEVICE_POLLING in kernel, and on em(4) interface. Create vlan on this interfaces, generate network TCP highload, stop it and look at pfctl -si "currentesentries", it never decrease to 0 (or 2 in you are in ssh). >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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