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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , David Ahern , CC: Simon Horman , Nikolay Aleksandrov , Ido Schimmel , Petr Machata , , Shuah Khan , Subject: [PATCH net-next v2 11/14] selftests: forwarding: lib: Move smcrouted helpers here Date: Thu, 12 Jun 2025 22:10:45 +0200 Message-ID: <237dd6b217bfb1b706fece78b3a3489641ae243c.1749757582.git.petrm@nvidia.com> X-Mailer: git-send-email 2.49.0 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: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH1PEPF0000AD80:EE_|DM3PR12MB9392:EE_ X-MS-Office365-Filtering-Correlation-Id: 721328f9-00c0-4bd3-7eb2-08dda9eda8b8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|7416014|36860700013|82310400026|1800799024; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge1.nvidia.com; CAT:NONE; SFS:(13230040)(376014)(7416014)(36860700013)(82310400026)(1800799024); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jun 2025 20:13:55.7935 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 721328f9-00c0-4bd3-7eb2-08dda9eda8b8 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CH1PEPF0000AD80.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM3PR12MB9392 router_multicast.sh has several helpers for work with smcrouted. Extract them to lib.sh so that other selftests can use them as well. Convert the helpers to defer in the process, because that simplifies the interface quite a bit. Therefore have router_multicast.sh invoke defer_scopes_cleanup() in its cleanup() function. Signed-off-by: Petr Machata --- Notes: v2: - Adjust as per shellcheck citations --- CC: Shuah Khan CC: linux-kselftest@vger.kernel.org tools/testing/selftests/net/forwarding/lib.sh | 33 +++++++++++++++++ .../net/forwarding/router_multicast.sh | 35 ++++--------------- 2 files changed, 39 insertions(+), 29 deletions(-) diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh index 508f3c700d71..253847372062 100644 --- a/tools/testing/selftests/net/forwarding/lib.sh +++ b/tools/testing/selftests/net/forwarding/lib.sh @@ -37,6 +37,7 @@ declare -A NETIFS=( : "${TEAMD:=teamd}" : "${MCD:=smcrouted}" : "${MC_CLI:=smcroutectl}" +: "${MCD_TABLE_NAME:=selftests}" # Constants for netdevice bring-up: # Default time in seconds to wait for an interface to come up before giving up @@ -1757,6 +1758,38 @@ mc_send() msend -g $groups -I $if_name -c 1 > /dev/null 2>&1 } +adf_mcd_start() +{ + local table_name="$MCD_TABLE_NAME" + local smcroutedir + local pid + local i + + check_command "$MCD" || return 1 + check_command "$MC_CLI" || return 1 + + smcroutedir=$(mktemp -d) + defer rm -rf "$smcroutedir" + + for ((i = 1; i <= NUM_NETIFS; ++i)); do + echo "phyint ${NETIFS[p$i]} enable" >> \ + "$smcroutedir/$table_name.conf" + done + + "$MCD" -N -I "$table_name" -f "$smcroutedir/$table_name.conf" \ + -P "$smcroutedir/$table_name.pid" + busywait "$BUSYWAIT_TIMEOUT" test -e "$smcroutedir/$table_name.pid" + pid=$(cat "$smcroutedir/$table_name.pid") + defer kill_process "$pid" +} + +mc_cli() +{ + local table_name="$MCD_TABLE_NAME" + + "$MC_CLI" -I "$table_name" "$@" +} + start_ip_monitor() { local mtype=$1; shift diff --git a/tools/testing/selftests/net/forwarding/router_multicast.sh b/tools/testing/selftests/net/forwarding/router_multicast.sh index 5a58b1ec8aef..83e52abdbc2e 100755 --- a/tools/testing/selftests/net/forwarding/router_multicast.sh +++ b/tools/testing/selftests/net/forwarding/router_multicast.sh @@ -33,10 +33,6 @@ NUM_NETIFS=6 source lib.sh source tc_common.sh -require_command $MCD -require_command $MC_CLI -table_name=selftests - h1_create() { simple_if_init $h1 198.51.100.2/28 2001:db8:1::2/64 @@ -149,25 +145,6 @@ router_destroy() ip link set dev $rp1 down } -start_mcd() -{ - SMCROUTEDIR="$(mktemp -d)" - - for ((i = 1; i <= $NUM_NETIFS; ++i)); do - echo "phyint ${NETIFS[p$i]} enable" >> \ - $SMCROUTEDIR/$table_name.conf - done - - $MCD -N -I $table_name -f $SMCROUTEDIR/$table_name.conf \ - -P $SMCROUTEDIR/$table_name.pid -} - -kill_mcd() -{ - pkill $MCD - rm -rf $SMCROUTEDIR -} - setup_prepare() { h1=${NETIFS[p1]} @@ -179,7 +156,7 @@ setup_prepare() rp3=${NETIFS[p5]} h3=${NETIFS[p6]} - start_mcd + adf_mcd_start || exit "$EXIT_STATUS" vrf_prepare @@ -206,7 +183,7 @@ cleanup() vrf_cleanup - kill_mcd + defer_scopes_cleanup } create_mcast_sg() @@ -214,9 +191,9 @@ create_mcast_sg() local if_name=$1; shift local s_addr=$1; shift local mcast=$1; shift - local dest_ifs=${@} + local dest_ifs=("${@}") - $MC_CLI -I $table_name add $if_name $s_addr $mcast $dest_ifs + mc_cli add "$if_name" "$s_addr" "$mcast" "${dest_ifs[@]}" } delete_mcast_sg() @@ -224,9 +201,9 @@ delete_mcast_sg() local if_name=$1; shift local s_addr=$1; shift local mcast=$1; shift - local dest_ifs=${@} + local dest_ifs=("${@}") - $MC_CLI -I $table_name remove $if_name $s_addr $mcast $dest_ifs + mc_cli remove "$if_name" "$s_addr" "$mcast" "${dest_ifs[@]}" } mcast_v4() From patchwork Thu Jun 12 20:10:47 2025 Content-Type: text/plain; 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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , David Ahern , CC: Simon Horman , Nikolay Aleksandrov , Ido Schimmel , Petr Machata , , Shuah Khan , Subject: [PATCH net-next v2 13/14] selftests: forwarding: adf_mcd_start(): Allow configuring custom interfaces Date: Thu, 12 Jun 2025 22:10:47 +0200 Message-ID: <14af50000810ea489ee3bba831be2341faa10354.1749757582.git.petrm@nvidia.com> X-Mailer: git-send-email 2.49.0 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: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH1PEPF0000AD7D:EE_|IA1PR12MB6019:EE_ X-MS-Office365-Filtering-Correlation-Id: 30366e79-3221-40e7-606e-08dda9edaef9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|7416014|376014|36860700013|82310400026|1800799024; X-Microsoft-Antispam-Message-Info: 6XoEg/n8AITT1Ax3jLMBuF6mkerIrbrLdbFUu9GndJyAu4HVZJBlCKMsw3Zdm6N5z17RgHsM+dtvYEFNw/zcKv/F0JQahhvncosnRDA9Twl5G6+BI4mi584Y3P1gcOuIvTI+JMHCguWOG7MlH3ZWfIxytXbsQANdw4jGXlSsJcvQW/eqeFJYUhFZHWJZ+Ahm5x12MSQUR2Dr7KuOnlFBNAuTWBOyoKL/GCIYlt4pGYyRhIu23ZKjB3tT7jy0gbHBx1eoTwyKOgMiLut+jKF7vxTkHxnUBML7WSslY7ECITwXN/wel0T7IvKqZA5Jgpghz6hQHJT4rVDaD8WProINzOnRloz74VVt9Ta4f1tUn+8S5m3+o6Dr7+2HlfM4jUuUi24ODufHLbc5jTh7MXdzOEVbVvmU6XarqrIi7QE5IeyyDMLLcASkg3tFJj6Y+JU3DRRV/YxjJWGgIkbDa0Cs262BsPDOXTe1nX1AKsIwnRHuHG3qloqZflZpa3iJWaHmbAAvxGKziiFv4CSKhz2wYo0vJ+yKtKHbQBx1UKJZpXYGA+37tyqL0IVS1ZMW3Ok6uPz/b7bH2Go0cDILYW5rl1bY+yjXDNS1AHtSCuebc3nzuYrSztb28+4jxAxa0DHGFaGQvc1KWMs2xkemfvDIzft9jFr/HdUfg1Wc+Iz0IqjibAvD2TDChYfV8aTZ8uZ6n/z6xjWixTZBt1eInEAIkvVnC3qk40iem72U2EY1W66AD9JvK6iRrEQzVTgk7LPx+SNh/z8/8t/bIt0q3akF6Vs2HrRuCBG5AGiSuMwJj7WGNKMuam2BMcXzN4WRApmvJNq9rZKYyQSsgnDqGgTMdgybYiRav++clJn7FJG+37ZCZGdzQtCvV8MBS8KZWgtQEhfWJOBucKgb/tFT2gE1uiJTM3X9UPq5N6vft3bIXpFbGV4Atc+6NA2Bh0Rv3bGY45T0Bljp0FVnVPdJQggX604dhlfAiD/DnSlBfpWroUOpcrUO0yW+8pT4YQBlYwYJEyb/hgvCRZ9GD6fdBsy8pI5bWFALkoWvaT64zoVL1zrkU/gQMO4q2CX7Ur6HmrRMzQCGiFUJ+cEarbg+SZG/EBgPrCp3sUpFeIA1UhhAYF9NlWDwAdaADM6WMvXskkD4MJR4bPNxnWnJTX9zIgyQBes8tLLy+udJ2pQ1ivFSH+Vfudsn4fwVEz6nYJ9V4VY2NJZmsxww4WihY09GuewJcYCez+eO5xge8VoEVmSorsC0Kfxn6OAnJ6vxT9yaNE9i4NXlzRMsnz4Nd/05Lus/dU970yxhiv1aQkaFmSHUXEgK+g0IWv/GW5NyBi8p80z/ePHALmD30+VZdW1ONH2s1bnuzRH29JUp6nUNT2pOav8Lmao+PYVuWlKOJ78REjf4HpVygomp0NhAiz5LIDGT6heG+dzUaA2b9DlVHvcBq1fO1TsyMjX7geeNc4rx6eNZmMPMAO4xrVgn+Idgas0kvsKUhuqEGahdpXF7vxli1TerQf5bXwbtF4ilGwkMzBLf X-Forefront-Antispam-Report: CIP:216.228.117.160; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge1.nvidia.com; CAT:NONE; SFS:(13230040)(7416014)(376014)(36860700013)(82310400026)(1800799024); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jun 2025 20:14:06.2907 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 30366e79-3221-40e7-606e-08dda9edaef9 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CH1PEPF0000AD7D.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6019 Tests may wish to add other interfaces to listen on. Notably locally generated traffic uses dummy interfaces. The multicast daemon needs to know about these so that it allows forming rules that involve these interfaces, and so that net.ipv4.conf.X.mc_forwarding is set for the interfaces. To that end, allow passing in a list of interfaces to configure in addition to all the physical ones. Signed-off-by: Petr Machata Reviewed-by: Nikolay Aleksandrov --- Notes: v2: - Adjust as per shellcheck citations - Retain Nik's R-b, the changes were very minor. --- CC: Shuah Khan CC: linux-kselftest@vger.kernel.org tools/testing/selftests/net/forwarding/lib.sh | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh index 253847372062..83ee6a07e072 100644 --- a/tools/testing/selftests/net/forwarding/lib.sh +++ b/tools/testing/selftests/net/forwarding/lib.sh @@ -1760,9 +1760,12 @@ mc_send() adf_mcd_start() { + local ifs=("$@") + local table_name="$MCD_TABLE_NAME" local smcroutedir local pid + local if local i check_command "$MCD" || return 1 @@ -1776,6 +1779,16 @@ adf_mcd_start() "$smcroutedir/$table_name.conf" done + for if in "${ifs[@]}"; do + if ! ip_link_has_flag "$if" MULTICAST; then + ip link set dev "$if" multicast on + defer ip link set dev "$if" multicast off + fi + + echo "phyint $if enable" >> \ + "$smcroutedir/$table_name.conf" + done + "$MCD" -N -I "$table_name" -f "$smcroutedir/$table_name.conf" \ -P "$smcroutedir/$table_name.pid" busywait "$BUSYWAIT_TIMEOUT" test -e "$smcroutedir/$table_name.pid"