From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Borkmann Subject: Fwd: [Bug 84661] New: tc filter show from iproute2 does not work correctly on 32bit x86 Date: Sat, 20 Sep 2014 17:39:07 +0200 Message-ID: <541D9F9B.9040404@redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: rider@altlinux.org, netdev@vger.kernel.org To: yangyingliang@huawei.com Return-path: Received: from mx1.redhat.com ([209.132.183.28]:3648 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754361AbaITPjY (ORCPT ); Sat, 20 Sep 2014 11:39:24 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: [ Cc'ing Yang ] -------- Original Message -------- Subject: [Bug 84661] New: tc filter show from iproute2 does not work correctly on 32bit x86 Date: Tue, 16 Sep 2014 11:47:20 +0000 From: bugzilla-daemon@bugzilla.kernel.org To: dborkman@redhat.com https://bugzilla.kernel.org/show_bug.cgi?id=84661 Bug ID: 84661 Summary: tc filter show from iproute2 does not work correctly on 32bit x86 Product: Networking Version: 2.5 Kernel Version: 3.14.17 and 3.16.1 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Other Assignee: shemminger@linux-foundation.org Reporter: rider@altlinux.org Regression: No i tested this issue with kernels 3.14.x and 3.16.x. and iproute2-3.16.0 This commit: https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=6a031f67c83aa175aedd10d4ae64750415ab57b0 breaking output tc filter show on 32bit systems. This simple script shows the difference in the work on i586 and x86_64: ------------------------- #!/bin/sh dev=$1 tc qdisc add dev $dev root handle 1: htb default fffe tc filter add dev $dev parent 1:0 protocol ip pref 10 u32 tc filter add dev $dev parent 1:0 protocol ip pref 10 handle 100: u32 divisor 8 tc filter add dev $dev parent 1:0 protocol ip pref 10 u32 ht 800:: match ip dst 10.21.10.0/21 hashkey mask 0x00000700 at 16 link 100: tc filter show dev $dev tc filter del dev $dev parent 1:0 protocol ip pref 10 u32 ht 800:: match ip dst 10.21.10.0/21 hashkey mask 0x00000700 at 16 link 100: tc qdisc del dev $dev root handle 1: htb default fffe --------------------------- output on i586: #./script enp0s25 filter parent 1: protocol ip pref 10 u32 filter parent 1: protocol ip pref 10 u32 fh 100: ht divisor 8 filter parent 1: protocol ip pref 10 u32 fh 800: ht divisor 1 output on x86_64: # ./script eth0 filter parent 1: protocol ip pref 10 u32 filter parent 1: protocol ip pref 10 u32 fh 100: ht divisor 8 filter parent 1: protocol ip pref 10 u32 fh 800: ht divisor 1 filter parent 1: protocol ip pref 10 u32 fh 800::800 order 2048 key ht 800 bkt 0 link 100: match 0a150800/fffff800 at 16 hash mask 00000700 at 16 -- You are receiving this mail because: You are watching the assignee of the bug.