From mboxrd@z Thu Jan  1 00:00:00 1970
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        Wed, 28 Feb 2018 05:42:53 -0500
From: Ido Schimmel <idosch@mellanox.com>
To: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org
Cc: davem@davemloft.net, shuah@kernel.org, jiri@mellanox.com,
        dsahern@gmail.com, roopa@cumulusnetworks.com,
        nikolay@cumulusnetworks.com, andrew@lunn.ch, f.fainelli@gmail.com,
        vivien.didelot@savoirfairelinux.com, mlxsw@mellanox.com,
        Ido Schimmel <idosch@mellanox.com>
Subject: [PATCH net-next v2 07/14] selftests: forwarding: Test IPv6 weighted nexthops
Date: Wed, 28 Feb 2018 12:25:12 +0200
Message-Id: <20180228102519.4156-8-idosch@mellanox.com>
In-Reply-To: <20180228102519.4156-1-idosch@mellanox.com>
References: <20180228102519.4156-1-idosch@mellanox.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: netdev-owner@vger.kernel.org
List-ID: <netdev.vger.kernel.org>

Have one host generate 16K IPv6 echo requests with a random flow label
and check that they are distributed between both multipath links
according to the provided weights.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
---
 .../selftests/net/forwarding/router_multipath.sh   | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/tools/testing/selftests/net/forwarding/router_multipath.sh b/tools/testing/selftests/net/forwarding/router_multipath.sh
index 5b425dffb5d0..d31888e3133e 100755
--- a/tools/testing/selftests/net/forwarding/router_multipath.sh
+++ b/tools/testing/selftests/net/forwarding/router_multipath.sh
@@ -226,12 +226,48 @@ multipath4_test()
        sysctl -q -w net.ipv4.fib_multipath_hash_policy=$hash_policy
 }
 
+multipath6_test()
+{
+       local weight_rp12=$1
+       local weight_rp13=$2
+       local t0_rp12 t0_rp13 t1_rp12 t1_rp13
+       local packets_rp12 packets_rp13
+
+       ip route replace 2001:db8:2::/64 vrf vrf-r1 \
+	       nexthop via fe80:2::22 dev $rp12 weight $weight_rp12 \
+	       nexthop via fe80:3::23 dev $rp13 weight $weight_rp13
+
+       t0_rp12=$(link_stats_tx_packets_get $rp12)
+       t0_rp13=$(link_stats_tx_packets_get $rp13)
+
+       # Generate 16384 echo requests, each with a random flow label.
+       for _ in $(seq 1 16384); do
+	       ip vrf exec vrf-h1 ping 2001:db8:2::2 -F 0 -c 1 -q &> /dev/null
+       done
+
+       t1_rp12=$(link_stats_tx_packets_get $rp12)
+       t1_rp13=$(link_stats_tx_packets_get $rp13)
+
+       let "packets_rp12 = $t1_rp12 - $t0_rp12"
+       let "packets_rp13 = $t1_rp13 - $t0_rp13"
+       multipath_eval $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13
+
+       ip route replace 2001:db8:2::/64 vrf vrf-r1 \
+	       nexthop via fe80:2::22 dev $rp12 \
+	       nexthop via fe80:3::23 dev $rp13
+}
+
 multipath_test()
 {
 	log_info "Running IPv4 multipath tests"
 	multipath4_test 1 1
 	multipath4_test 2 1
 	multipath4_test 11 45
+
+	log_info "Running IPv6 multipath tests"
+	multipath6_test 1 1
+	multipath6_test 2 1
+	multipath6_test 11 45
 }
 
 setup_prepare()
-- 
2.14.3

From mboxrd@z Thu Jan  1 00:00:00 1970
From: idosch at mellanox.com (Ido Schimmel)
Date: Wed, 28 Feb 2018 12:25:12 +0200
Subject: [PATCH net-next v2 07/14] selftests: forwarding: Test IPv6 weighted
 nexthops
In-Reply-To: <20180228102519.4156-1-idosch@mellanox.com>
References: <20180228102519.4156-1-idosch@mellanox.com>
Message-ID: <20180228102519.4156-8-idosch@mellanox.com>

Have one host generate 16K IPv6 echo requests with a random flow label
and check that they are distributed between both multipath links
according to the provided weights.

Signed-off-by: Ido Schimmel <idosch at mellanox.com>
---
 .../selftests/net/forwarding/router_multipath.sh   | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/tools/testing/selftests/net/forwarding/router_multipath.sh b/tools/testing/selftests/net/forwarding/router_multipath.sh
index 5b425dffb5d0..d31888e3133e 100755
--- a/tools/testing/selftests/net/forwarding/router_multipath.sh
+++ b/tools/testing/selftests/net/forwarding/router_multipath.sh
@@ -226,12 +226,48 @@ multipath4_test()
        sysctl -q -w net.ipv4.fib_multipath_hash_policy=$hash_policy
 }
 
+multipath6_test()
+{
+       local weight_rp12=$1
+       local weight_rp13=$2
+       local t0_rp12 t0_rp13 t1_rp12 t1_rp13
+       local packets_rp12 packets_rp13
+
+       ip route replace 2001:db8:2::/64 vrf vrf-r1 \
+	       nexthop via fe80:2::22 dev $rp12 weight $weight_rp12 \
+	       nexthop via fe80:3::23 dev $rp13 weight $weight_rp13
+
+       t0_rp12=$(link_stats_tx_packets_get $rp12)
+       t0_rp13=$(link_stats_tx_packets_get $rp13)
+
+       # Generate 16384 echo requests, each with a random flow label.
+       for _ in $(seq 1 16384); do
+	       ip vrf exec vrf-h1 ping 2001:db8:2::2 -F 0 -c 1 -q &> /dev/null
+       done
+
+       t1_rp12=$(link_stats_tx_packets_get $rp12)
+       t1_rp13=$(link_stats_tx_packets_get $rp13)
+
+       let "packets_rp12 = $t1_rp12 - $t0_rp12"
+       let "packets_rp13 = $t1_rp13 - $t0_rp13"
+       multipath_eval $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13
+
+       ip route replace 2001:db8:2::/64 vrf vrf-r1 \
+	       nexthop via fe80:2::22 dev $rp12 \
+	       nexthop via fe80:3::23 dev $rp13
+}
+
 multipath_test()
 {
 	log_info "Running IPv4 multipath tests"
 	multipath4_test 1 1
 	multipath4_test 2 1
 	multipath4_test 11 45
+
+	log_info "Running IPv6 multipath tests"
+	multipath6_test 1 1
+	multipath6_test 2 1
+	multipath6_test 11 45
 }
 
 setup_prepare()
-- 
2.14.3

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From mboxrd@z Thu Jan  1 00:00:00 1970
From: idosch@mellanox.com (Ido Schimmel)
Date: Wed, 28 Feb 2018 12:25:12 +0200
Subject: [PATCH net-next v2 07/14] selftests: forwarding: Test IPv6 weighted
 nexthops
In-Reply-To: <20180228102519.4156-1-idosch@mellanox.com>
References: <20180228102519.4156-1-idosch@mellanox.com>
Message-ID: <20180228102519.4156-8-idosch@mellanox.com>
Content-Type: text/plain; charset="UTF-8"
Message-ID: <20180228102512.mWe5eo8a-Ur8uB7lWnIwn1ZVY25NcNUVw6JuqpQuxw0@z>

Have one host generate 16K IPv6 echo requests with a random flow label
and check that they are distributed between both multipath links
according to the provided weights.

Signed-off-by: Ido Schimmel <idosch at mellanox.com>
---
 .../selftests/net/forwarding/router_multipath.sh   | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/tools/testing/selftests/net/forwarding/router_multipath.sh b/tools/testing/selftests/net/forwarding/router_multipath.sh
index 5b425dffb5d0..d31888e3133e 100755
--- a/tools/testing/selftests/net/forwarding/router_multipath.sh
+++ b/tools/testing/selftests/net/forwarding/router_multipath.sh
@@ -226,12 +226,48 @@ multipath4_test()
        sysctl -q -w net.ipv4.fib_multipath_hash_policy=$hash_policy
 }
 
+multipath6_test()
+{
+       local weight_rp12=$1
+       local weight_rp13=$2
+       local t0_rp12 t0_rp13 t1_rp12 t1_rp13
+       local packets_rp12 packets_rp13
+
+       ip route replace 2001:db8:2::/64 vrf vrf-r1 \
+	       nexthop via fe80:2::22 dev $rp12 weight $weight_rp12 \
+	       nexthop via fe80:3::23 dev $rp13 weight $weight_rp13
+
+       t0_rp12=$(link_stats_tx_packets_get $rp12)
+       t0_rp13=$(link_stats_tx_packets_get $rp13)
+
+       # Generate 16384 echo requests, each with a random flow label.
+       for _ in $(seq 1 16384); do
+	       ip vrf exec vrf-h1 ping 2001:db8:2::2 -F 0 -c 1 -q &> /dev/null
+       done
+
+       t1_rp12=$(link_stats_tx_packets_get $rp12)
+       t1_rp13=$(link_stats_tx_packets_get $rp13)
+
+       let "packets_rp12 = $t1_rp12 - $t0_rp12"
+       let "packets_rp13 = $t1_rp13 - $t0_rp13"
+       multipath_eval $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13
+
+       ip route replace 2001:db8:2::/64 vrf vrf-r1 \
+	       nexthop via fe80:2::22 dev $rp12 \
+	       nexthop via fe80:3::23 dev $rp13
+}
+
 multipath_test()
 {
 	log_info "Running IPv4 multipath tests"
 	multipath4_test 1 1
 	multipath4_test 2 1
 	multipath4_test 11 45
+
+	log_info "Running IPv6 multipath tests"
+	multipath6_test 1 1
+	multipath6_test 2 1
+	multipath6_test 11 45
 }
 
 setup_prepare()
-- 
2.14.3

--
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