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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , CC: Ido Schimmel , Petr Machata , "David Ahern" , Donald Sharp , , Shuah Khan , Subject: [PATCH net-next 4/6] selftests: router_mpath_nh: Test 16-bit next hop weights Date: Thu, 1 Aug 2024 18:24:00 +0200 Message-ID: <9dcd5a4ff9583591c746d14eef4923e6deb5520a.1722519021.git.petrm@nvidia.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: rnnvmail202.nvidia.com (10.129.68.7) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF000044AB:EE_|PH0PR12MB8149:EE_ X-MS-Office365-Filtering-Correlation-Id: dfd42e4a-a474-4f0f-ff23-08dcb24685fd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|82310400026|36860700013; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(376014)(82310400026)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Aug 2024 16:25:14.3363 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: dfd42e4a-a474-4f0f-ff23-08dcb24685fd X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF000044AB.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB8149 Add tests that exercise full 16 bits of NH weight. To test the 255:65535, it is necessary to run more packets than for the other tests. On a debug kernel, the test can take up to a minute, therefore avoid the test when KSFT_MACHINE_SLOW. Signed-off-by: Petr Machata Reviewed-by: Ido Schimmel --- tools/testing/selftests/net/forwarding/lib.sh | 7 ++++ .../net/forwarding/router_mpath_nh.sh | 38 +++++++++++++++---- .../net/forwarding/router_mpath_nh_lib.sh | 13 +++++++ 3 files changed, 50 insertions(+), 8 deletions(-) diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh index ff96bb7535ff..cb0fcd6f0293 100644 --- a/tools/testing/selftests/net/forwarding/lib.sh +++ b/tools/testing/selftests/net/forwarding/lib.sh @@ -509,6 +509,13 @@ xfail_on_slow() fi } +omit_on_slow() +{ + if [[ $KSFT_MACHINE_SLOW != yes ]]; then + "$@" + fi +} + xfail_on_veth() { local dev=$1; shift diff --git a/tools/testing/selftests/net/forwarding/router_mpath_nh.sh b/tools/testing/selftests/net/forwarding/router_mpath_nh.sh index c5a30f8f55b5..a7d8399c8d4f 100755 --- a/tools/testing/selftests/net/forwarding/router_mpath_nh.sh +++ b/tools/testing/selftests/net/forwarding/router_mpath_nh.sh @@ -40,6 +40,7 @@ ALL_TESTS=" ping_ipv4 ping_ipv6 multipath_test + multipath16_test ping_ipv4_blackhole ping_ipv6_blackhole nh_stats_test_v4 @@ -226,9 +227,11 @@ routing_nh_obj() multipath4_test() { - local desc="$1" - local weight_rp12=$2 - local weight_rp13=$3 + local desc=$1; shift + local weight_rp12=$1; shift + local weight_rp13=$1; shift + local ports=${1-sp=1024,dp=0-32768}; shift + local t0_rp12 t0_rp13 t1_rp12 t1_rp13 local packets_rp12 packets_rp13 @@ -242,7 +245,7 @@ multipath4_test() t0_rp13=$(link_stats_tx_packets_get $rp13) ip vrf exec vrf-h1 $MZ $h1 -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \ - -d $MZ_DELAY -t udp "sp=1024,dp=0-32768" + -d $MZ_DELAY -t udp "$ports" sleep 1 t1_rp12=$(link_stats_tx_packets_get $rp12) @@ -259,9 +262,11 @@ multipath4_test() multipath6_test() { - local desc="$1" - local weight_rp12=$2 - local weight_rp13=$3 + local desc=$1; shift + local weight_rp12=$1; shift + local weight_rp13=$1; shift + local ports=${1-sp=1024,dp=0-32768}; shift + local t0_rp12 t0_rp13 t1_rp12 t1_rp13 local packets_rp12 packets_rp13 @@ -276,7 +281,7 @@ multipath6_test() t0_rp13=$(link_stats_tx_packets_get $rp13) $MZ $h1 -6 -q -p 64 -A 2001:db8:1::2 -B 2001:db8:2::2 \ - -d $MZ_DELAY -t udp "sp=1024,dp=0-32768" + -d $MZ_DELAY -t udp "$ports" sleep 1 t1_rp12=$(link_stats_tx_packets_get $rp12) @@ -315,6 +320,23 @@ multipath_test() multipath6_test "Weighted MP 11:45" 11 45 } +multipath16_test() +{ + check_nhgw16 104 || return + + log_info "Running 16-bit IPv4 multipath tests" + multipath4_test "65535:65535" 65535 65535 + multipath4_test "128:512" 128 512 + omit_on_slow \ + multipath4_test "255:65535" 255 65535 sp=1024-1026,dp=0-65535 + + log_info "Running 16-bit IPv6 multipath tests" + multipath6_test "65535:65535" 65535 65535 + multipath6_test "128:512" 128 512 + omit_on_slow \ + multipath6_test "255:65535" 255 65535 sp=1024-1026,dp=0-65535 +} + ping_ipv4_blackhole() { RET=0 diff --git a/tools/testing/selftests/net/forwarding/router_mpath_nh_lib.sh b/tools/testing/selftests/net/forwarding/router_mpath_nh_lib.sh index 2903294d8bca..507b2852dabe 100644 --- a/tools/testing/selftests/net/forwarding/router_mpath_nh_lib.sh +++ b/tools/testing/selftests/net/forwarding/router_mpath_nh_lib.sh @@ -117,3 +117,16 @@ __nh_stats_test_v6() $MZ -6 $h1 -A 2001:db8:1::2 -B 2001:db8:2::2 sysctl_restore net.ipv6.fib_multipath_hash_policy } + +check_nhgw16() +{ + local nhid=$1; shift + + ip nexthop replace id 9999 group "$nhid,65535" &>/dev/null + if (( $? )); then + log_test_skip "16-bit multipath tests" \ + "iproute2 or the kernel do not support 16-bit next hop weights" + return 1 + fi + ip nexthop del id 9999 ||: +}