From patchwork Tue Sep 29 20:40:34 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joe Stringer X-Patchwork-Id: 524023 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from archives.nicira.com (unknown [IPv6:2600:3c00::f03c:91ff:fe6e:bdf7]) by ozlabs.org (Postfix) with ESMTP id BEC4D1402B6 for ; Wed, 30 Sep 2015 06:42:24 +1000 (AEST) Received: from archives.nicira.com (localhost [127.0.0.1]) by archives.nicira.com (Postfix) with ESMTP id 5A30610704; Tue, 29 Sep 2015 13:41:27 -0700 (PDT) X-Original-To: dev@openvswitch.org Delivered-To: dev@openvswitch.org Received: from mx1e4.cudamail.com (mx1.cudamail.com [69.90.118.67]) by archives.nicira.com (Postfix) with ESMTPS id 6423D10772 for ; Tue, 29 Sep 2015 13:41:25 -0700 (PDT) Received: from bar5.cudamail.com (unknown [192.168.21.12]) by mx1e4.cudamail.com (Postfix) with ESMTPS id E01351E005C for ; Tue, 29 Sep 2015 14:41:24 -0600 (MDT) X-ASG-Debug-ID: 1443559284-09eadd11e86d22c0001-byXFYA Received: from mx1-pf1.cudamail.com ([192.168.24.1]) by bar5.cudamail.com with ESMTP id ScG4wPg2FbfKliGH (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 29 Sep 2015 14:41:24 -0600 (MDT) X-Barracuda-Envelope-From: joestringer@nicira.com X-Barracuda-RBL-Trusted-Forwarder: 192.168.24.1 Received: from unknown (HELO mail-pa0-f47.google.com) (209.85.220.47) by mx1-pf1.cudamail.com with ESMTPS (RC4-SHA encrypted); 29 Sep 2015 20:41:24 -0000 Received-SPF: unknown (mx1-pf1.cudamail.com: Multiple SPF records returned) X-Barracuda-RBL-Trusted-Forwarder: 209.85.220.47 Received: by pacex6 with SMTP id ex6so16060035pac.0 for ; Tue, 29 Sep 2015 13:41:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=ysWzyvXnHH3BdCtGMoj9JKvC0q9G7Jqjcy3X5Geuogg=; b=bBht15X6zqjyPernMOyvgb5smuaHsLoMFTxwrbkf7vKy97Ic3QuAOzDRxvXbNaiyPK DdXMM714N5mAy1HIFgAP6WZHy075SVpcozcK6YH/XT0Zz/8ReVN/nB3+G1/hewO46lqC QqzS2m1apRJuWNmn0wQmp1kTmlexvm7Qrk1SpKShdNbeItoh2CnP5kL8Hx6NS7nsy5Z7 G3TRDCcoK8oRO2MaQ6H9Slru2EE9G3rMA3EZsGxCff8eksidTnP+e0ffAyfKXWpUETU4 fB3GctxCXFGS68z4BLAMuR6+gFV3jYq+qjJZRiQTMfxzdqKUZg7OnX0Ce/1t5UTpva24 pkzg== X-Gm-Message-State: ALoCoQl+7cbi1ahe6J2HOEm+hIuvO0b+kSm/Ea08UEqDkNshct4sFhzXz6hb5r0yjtnYssSBsX7g X-Received: by 10.66.141.42 with SMTP id rl10mr41344pab.18.1443559283678; Tue, 29 Sep 2015 13:41:23 -0700 (PDT) Received: from localhost.localdomain ([208.91.2.4]) by smtp.gmail.com with ESMTPSA id fe8sm27450431pab.40.2015.09.29.13.41.21 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 29 Sep 2015 13:41:23 -0700 (PDT) X-CudaMail-Envelope-Sender: joestringer@nicira.com X-Barracuda-Apparent-Source-IP: 208.91.2.4 From: Joe Stringer To: dev@openvswitch.org X-CudaMail-Whitelist-To: dev@openvswitch.org X-CudaMail-MID: CM-E1-928098942 X-CudaMail-DTE: 092915 X-CudaMail-Originating-IP: 209.85.220.47 Date: Tue, 29 Sep 2015 13:40:34 -0700 X-ASG-Orig-Subj: [##CM-E1-928098942##][PATCHv3 11/11] system-traffic: Add ct tests using local stack. Message-Id: <1443559234-7330-12-git-send-email-joestringer@nicira.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1443559234-7330-1-git-send-email-joestringer@nicira.com> References: <1443559234-7330-1-git-send-email-joestringer@nicira.com> X-Barracuda-Connect: UNKNOWN[192.168.24.1] X-Barracuda-Start-Time: 1443559284 X-Barracuda-Encrypted: DHE-RSA-AES256-SHA X-Barracuda-URL: https://web.cudamail.com:443/cgi-mod/mark.cgi X-ASG-Whitelist: Header =?UTF-8?B?eFwtY3VkYW1haWxcLXdoaXRlbGlzdFwtdG8=?= X-Virus-Scanned: by bsmtpd at cudamail.com X-Barracuda-BRTS-Status: 1 Subject: [ovs-dev] [PATCHv3 11/11] system-traffic: Add ct tests using local stack. X-BeenThere: dev@openvswitch.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dev-bounces@openvswitch.org Sender: "dev" When interacting with the local stack, the kernel may provide packets with existing ct state as they ingress OVS. These tests check that we are able to connection-track such packets successfully in non-zero zones, using slightly more realistic pipelines. Signed-off-by: Joe Stringer --- tests/system-common-macros.at | 5 +- tests/system-traffic.at | 117 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 121 insertions(+), 1 deletion(-) diff --git a/tests/system-common-macros.at b/tests/system-common-macros.at index 8f3b318..f0da589 100644 --- a/tests/system-common-macros.at +++ b/tests/system-common-macros.at @@ -124,7 +124,10 @@ m4_define([FORMAT_PING], [grep "transmitted" | sed 's/time.*ms$/time 0ms/']) # Strip content from the piped input which would differ from test to test. # m4_define([FORMAT_CT], - [[grep "dst=$1" | sed -e 's/port=[0-9]*/port=/g' -e 's/ */ /g' -e 's/secctx[^ ]* //' | cut -d' ' -f4- | sort | uniq]]) + [[grep "dst=$1" | sed -e 's/port=[0-9]*/port=/g' -e 's/ */ /g' \ + -e 's/secctx[^ ]* //' \ + -e 's/id=[0-9]*/id=/g' \ + | cut -d' ' -f4- | sort | uniq]]) # NETNS_DAEMONIZE([namespace], [command], [pidfile]) # diff --git a/tests/system-traffic.at b/tests/system-traffic.at index 081531b..84f5baa 100644 --- a/tests/system-traffic.at +++ b/tests/system-traffic.at @@ -566,6 +566,123 @@ TIME_WAIT src=10.1.1.1 dst=10.1.1.2 sport= dport= src=10.1.1.2 OVS_TRAFFIC_VSWITCHD_STOP AT_CLEANUP +AT_SETUP([conntrack - multiple zones, local]) +CHECK_CONNTRACK() +OVS_TRAFFIC_VSWITCHD_START( + [set-fail-mode br0 secure -- ]) + +ADD_NAMESPACES(at_ns0) + +AT_CHECK([ip addr add dev br0 "10.1.1.1/24"]) +AT_CHECK([ip link set dev br0 up]) +on_exit 'ip addr del dev br0 "10.1.1.1/24"' +ADD_VETH(p0, at_ns0, br0, "10.1.1.2/24") + +dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0. +AT_DATA([flows.txt], [dnl +priority=1,action=drop +priority=10,arp,action=normal +priority=100,in_port=LOCAL,ip,ct_state=-trk,action=drop +priority=100,in_port=LOCAL,ip,ct_state=+trk+new,action=ct(commit,zone=1),ct(commit,zone=2),1 +priority=100,in_port=LOCAL,ip,ct_state=+trk+est,action=ct(commit,zone=1),ct(commit,zone=2),1 +priority=100,in_port=1,ip,ct_state=-trk,action=ct(table=1,zone=1) +table=1,priority=100,in_port=1,ip,ct_state=+trk+est,ct_zone=1,action=ct(table=2,zone=2) +table=2,priority=100,in_port=1,ip,ct_state=+trk+est,ct_zone=2,action=LOCAL +]) + +AT_CHECK([ovs-ofctl add-flows br0 flows.txt]) + +AT_CHECK([ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl +3 packets transmitted, 3 received, 0% packet loss, time 0ms +]) + +dnl HTTP requests from root namespace to p0 should work fine. +NETNS_DAEMONIZE([at_ns0], [[$PYTHON $srcdir/test-l7.py]], [http0.pid]) +AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log]) + +dnl (again) HTTP requests from root namespace to p0 should work fine. +AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log]) + +AT_CHECK([conntrack -L 2>&1 | FORMAT_CT(10.1.1.2) | grep "zone"], [0], [dnl +TIME_WAIT src=10.1.1.1 dst=10.1.1.2 sport= dport= src=10.1.1.2 dst=10.1.1.1 sport= dport= [[ASSURED]] mark=0 zone=1 use=1 +TIME_WAIT src=10.1.1.1 dst=10.1.1.2 sport= dport= src=10.1.1.2 dst=10.1.1.1 sport= dport= [[ASSURED]] mark=0 zone=2 use=1 +src=10.1.1.1 dst=10.1.1.2 type=8 code=0 id= src=10.1.1.2 dst=10.1.1.1 type=0 code=0 id= mark=0 zone=1 use=1 +src=10.1.1.1 dst=10.1.1.2 type=8 code=0 id= src=10.1.1.2 dst=10.1.1.1 type=0 code=0 id= mark=0 zone=2 use=1 +]) + +OVS_TRAFFIC_VSWITCHD_STOP +AT_CLEANUP + +AT_SETUP([conntrack - multi-stage pipeline, local]) +CHECK_CONNTRACK() +OVS_TRAFFIC_VSWITCHD_START( + [set-fail-mode br0 secure -- ]) + +ADD_NAMESPACES(at_ns0) + +AT_CHECK([ip addr add dev br0 "10.1.1.1/24"]) +AT_CHECK([ip link set dev br0 up]) +on_exit 'ip addr del dev br0 "10.1.1.1/24"' +ADD_VETH(p0, at_ns0, br0, "10.1.1.2/24") + +dnl Allow traffic from local stack to ns0. Only allow neighbour discovery, +dnl return traffic from ns0 back to the local stack. +AT_DATA([flows.txt], [dnl +dnl default +table=0,priority=1,action=drop +table=0,priority=10,arp,action=normal + +dnl Load the output port to REG0 +table=0,priority=100,ip,in_port=LOCAL,action=load:1->NXM_NX_REG0[[0..15]],goto_table:1 +table=0,priority=100,ip,in_port=1,action=load:65534->NXM_NX_REG0[[0..15]],goto_table:1 + +dnl Ingress pipeline +dnl - Allow all connections from LOCAL port (commit and proceed to egress) +dnl - All other connections go through conntracker using the input port as +dnl a connection tracking zone. +table=1,priority=150,in_port=LOCAL,ip,ct_state=+trk+new,action=ct(commit,zone=OXM_OF_IN_PORT[[0..15]]),goto_table:2 +table=1,priority=100,ip,action=ct(table=2,zone=OXM_OF_IN_PORT[[0..15]]) +table=1,priority=1,action=drop + +dnl Egress pipeline +dnl - Allow all connections from LOCAL port (commit and skip to output) +dnl - Allow other established connections to go through conntracker using +dnl output port as a connection tracking zone. +table=2,priority=150,in_port=LOCAL,ip,ct_state=+trk+new,action=ct(commit,zone=NXM_NX_REG0[[0..15]]),goto_table:4 +table=2,priority=100,ip,ct_state=+trk+est,action=ct(table=3,zone=NXM_NX_REG0[[0..15]]) +table=2,priority=1,action=drop + +dnl Only allow established traffic from egress ct lookup +table=3,priority=100,ip,ct_state=+trk+est,action=goto_table:4 +table=3,priority=1,action=drop + +dnl output table +table=4,priority=100,ip,action=output:NXM_NX_REG0[[]] +]) + +AT_CHECK([ovs-ofctl add-flows br0 flows.txt]) + +AT_CHECK([ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl +3 packets transmitted, 3 received, 0% packet loss, time 0ms +]) + +dnl HTTP requests from root namespace to p0 should work fine. +NETNS_DAEMONIZE([at_ns0], [[$PYTHON $srcdir/test-l7.py]], [http0.pid]) +AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log]) + +dnl (again) HTTP requests from root namespace to p0 should work fine. +AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log]) + +AT_CHECK([conntrack -L 2>&1 | FORMAT_CT(10.1.1.2) | grep "zone"], [0], [dnl +TIME_WAIT src=10.1.1.1 dst=10.1.1.2 sport= dport= src=10.1.1.2 dst=10.1.1.1 sport= dport= [[ASSURED]] mark=0 zone=1 use=1 +TIME_WAIT src=10.1.1.1 dst=10.1.1.2 sport= dport= src=10.1.1.2 dst=10.1.1.1 sport= dport= [[ASSURED]] mark=0 zone=65534 use=1 +src=10.1.1.1 dst=10.1.1.2 type=8 code=0 id= src=10.1.1.2 dst=10.1.1.1 type=0 code=0 id= mark=0 zone=1 use=1 +src=10.1.1.1 dst=10.1.1.2 type=8 code=0 id= src=10.1.1.2 dst=10.1.1.1 type=0 code=0 id= mark=0 zone=65534 use=1 +]) + +OVS_TRAFFIC_VSWITCHD_STOP +AT_CLEANUP + AT_SETUP([conntrack - ct_mark]) CHECK_CONNTRACK() OVS_TRAFFIC_VSWITCHD_START(