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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Roopa Prabhu , Nikolay Aleksandrov , CC: , Petr Machata , "Ido Schimmel" Subject: [PATCH net-next mlxsw v2 15/16] selftests: forwarding: lib: Add helpers to build IGMP/MLD leave packets Date: Wed, 1 Feb 2023 18:28:48 +0100 Message-ID: <540dc49dfacd735e3c4073b3444f98b41d81ff91.1675271084.git.petrm@nvidia.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.126.230.37] 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: BL02EPF000108E9:EE_|CH3PR12MB8282:EE_ X-MS-Office365-Filtering-Correlation-Id: d239df9c-bbd2-4e69-6908-08db0479f45c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: V1bpDXo78kmCyGtIIEkAdNYzzJ5mMPuLh57/5EuHF59wwev3Xmb5ckr62GRNCncaVrBKRb84QBUs7btXcofk/kGrHxd9Z2Wv0OHl8B0LtOK/Srr2cGsDUVaINlmT3X7WBekVk27/hDMIrkaGmkOIopfsSC5PhipjOzgIKpUUEZE7eTBg9xZxMWSQUlWx+9zq3+W9xkYNGtFnsfWmxfbE7pav/H+qVtBYzCxe360c2un9FPNujSE4+SCiXmGtudM6nouGk3m8yNbxpVi37fLsSrCrwnLBqbLkpxy0/7mSxizQ+wY2QNdgAKhUiMVbZBtp2ZRdmbv8ybODoYVgwqiztBIXO+qTGZ2i9pTRgR1a0V29MJ6dWRSOIcw1wq7wb1S11eizyeIbIfmCM43p/ox4V4GqreDrx4z0DkQ8bzhhmJjByS257+gI48VZo1A4puHFHZObmDydCwCaT36N+o9O1WL/kF4z1RYY1DpoNTMIMqZFi4iT2tnLxuH6B0V2RT80dTrE+qkFJeXLeO13XqpZQkkK0GnwK3MWh9jHkOfBiEFAWbdDJfnmm84cvj8D2OVm3Bmmf1MWlgilFSC70D57e7Pvs9i01wH7jQexyg9L99KC3D18kRbvTSrYyyEBviVi8Sqqw2cVcV4nogqGQlK35Y6gJ+c/+BUIV6lPYR0Dlu3w5rpmUb7/5LWNeD5Nxv/X1SBRcgdQMYo/pDz0An9wEg== 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:(13230025)(4636009)(376002)(346002)(39860400002)(136003)(396003)(451199018)(46966006)(36840700001)(40470700004)(47076005)(2616005)(40460700003)(426003)(36756003)(336012)(40480700001)(82740400003)(356005)(7636003)(82310400005)(36860700001)(5660300002)(54906003)(86362001)(316002)(110136005)(2906002)(478600001)(107886003)(70206006)(4326008)(70586007)(26005)(8936002)(41300700001)(16526019)(186003)(8676002);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Feb 2023 17:30:03.8120 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d239df9c-bbd2-4e69-6908-08db0479f45c 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: BL02EPF000108E9.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8282 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The testsuite that checks for mcast_max_groups functionality will need to wipe the added groups as well. Add helpers to build an IGMP or MLD packets announcing that host is leaving a given group. Signed-off-by: Petr Machata Acked-by: Nikolay Aleksandrov --- tools/testing/selftests/net/forwarding/lib.sh | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh index 12ef34ebcbbf..969e570f609e 100755 --- a/tools/testing/selftests/net/forwarding/lib.sh +++ b/tools/testing/selftests/net/forwarding/lib.sh @@ -1815,6 +1815,21 @@ igmpv3_is_in_get() payload_template_expand_checksum "$igmpv3" $checksum } +igmpv2_leave_get() +{ + local GRP=$1; shift + + local payload=$(: + )"17:"$( : Type - Leave Group + )"00:"$( : Max Resp Time - not meaningful + )"CHECKSUM:"$( : Checksum + )"$(ipv4_to_bytes $GRP)"$( : Group Address + ) + local checksum=$(payload_template_calc_checksum "$payload") + + payload_template_expand_checksum "$payload" $checksum +} + mldv2_is_in_get() { local SIP=$1; shift @@ -1858,3 +1873,38 @@ mldv2_is_in_get() payload_template_expand_checksum "$hbh$icmpv6" $checksum } + +mldv1_done_get() +{ + local SIP=$1; shift + local GRP=$1; shift + + local hbh + local icmpv6 + + hbh=$(: + )"3a:"$( : Next Header - ICMPv6 + )"00:"$( : Hdr Ext Len + )"00:00:00:00:00:00:"$( : Options and Padding + ) + + icmpv6=$(: + )"84:"$( : Type - MLDv1 Done + )"00:"$( : Code + )"CHECKSUM:"$( : Checksum + )"00:00:"$( : Max Resp Delay - not meaningful + )"00:00:"$( : Reserved + )"$(ipv6_to_bytes $GRP):"$( : Multicast address + ) + + local len=$(u16_to_bytes $(payload_template_nbytes $icmpv6)) + local sudohdr=$(: + )"$(ipv6_to_bytes $SIP):"$( : SIP + )"$(ipv6_to_bytes $GRP):"$( : DIP is multicast address + )"${len}:"$( : Upper-layer length + )"00:3a:"$( : Zero and next-header + ) + local checksum=$(payload_template_calc_checksum ${sudohdr}${icmpv6}) + + payload_template_expand_checksum "$hbh$icmpv6" $checksum +} -- 2.39.0