From: Petr Machata <petrm@nvidia.com> To: "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Roopa Prabhu <roopa@nvidia.com>, Nikolay Aleksandrov <razor@blackwall.org>, <netdev@vger.kernel.org> Cc: <bridge@lists.linux-foundation.org>, Petr Machata <petrm@nvidia.com>, "Ido Schimmel" <idosch@nvidia.com> Subject: [PATCH net-next v3 15/16] selftests: forwarding: lib: Add helpers to build IGMP/MLD leave packets Date: Thu, 2 Feb 2023 18:59:33 +0100 [thread overview] Message-ID: <76cdd85502b18f3e1a2654ae0c91911db95cc795.1675359453.git.petrm@nvidia.com> (raw) In-Reply-To: <cover.1675359453.git.petrm@nvidia.com> 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 <petrm@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> --- 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" $checksum +} -- 2.39.0
WARNING: multiple messages have this Message-ID (diff)
From: Petr Machata <petrm@nvidia.com> To: "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Roopa Prabhu <roopa@nvidia.com>, Nikolay Aleksandrov <razor@blackwall.org>, netdev@vger.kernel.org Cc: Petr Machata <petrm@nvidia.com>, Ido Schimmel <idosch@nvidia.com>, bridge@lists.linux-foundation.org Subject: [Bridge] [PATCH net-next v3 15/16] selftests: forwarding: lib: Add helpers to build IGMP/MLD leave packets Date: Thu, 2 Feb 2023 18:59:33 +0100 [thread overview] Message-ID: <76cdd85502b18f3e1a2654ae0c91911db95cc795.1675359453.git.petrm@nvidia.com> (raw) In-Reply-To: <cover.1675359453.git.petrm@nvidia.com> The testsuite that checks for mcast_max_groups functionality will need to wipe the added groups as well. Add helpers to build an IGMP or MLD packets announcing that host is leaving a given group. Signed-off-by: Petr Machata <petrm@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> --- tools/testing/selftests/net/forwarding/lib.sh | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh index 12ef34ebcbbf..969e570f609e 100755 --- a/tools/testing/selftests/net/forwarding/lib.sh +++ b/tools/testing/selftests/net/forwarding/lib.sh @@ -1815,6 +1815,21 @@ igmpv3_is_in_get() payload_template_expand_checksum "$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
next prev parent reply other threads:[~2023-02-02 18:02 UTC|newest] Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-02-02 17:59 [PATCH net-next v3 00/16] bridge: Limit number of MDB entries per port, port-vlan Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 01/16] net: bridge: Set strict_start_type at two policies Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 02/16] net: bridge: Add extack to br_multicast_new_port_group() Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 03/16] net: bridge: Move extack-setting " Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 04/16] net: bridge: Add br_multicast_del_port_group() Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 05/16] net: bridge: Change a cleanup in br_multicast_new_port_group() to goto Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 06/16] net: bridge: Add a tracepoint for MDB overflows Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-03 8:58 ` Nikolay Aleksandrov 2023-02-03 8:58 ` [Bridge] " Nikolay Aleksandrov 2023-02-02 17:59 ` [PATCH net-next v3 07/16] net: bridge: Maintain number of MDB entries in net_bridge_mcast_port Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-03 8:59 ` Nikolay Aleksandrov 2023-02-03 8:59 ` [Bridge] " Nikolay Aleksandrov 2023-02-03 14:36 ` Ido Schimmel 2023-02-03 14:36 ` [Bridge] " Ido Schimmel 2023-02-02 17:59 ` [PATCH net-next v3 08/16] net: bridge: Add netlink knobs for number / maximum MDB entries Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-03 9:02 ` Nikolay Aleksandrov 2023-02-03 9:02 ` [Bridge] " Nikolay Aleksandrov 2023-02-03 14:39 ` Ido Schimmel 2023-02-03 14:39 ` [Bridge] " Ido Schimmel 2023-02-02 17:59 ` [PATCH net-next v3 09/16] selftests: forwarding: Move IGMP- and MLD-related functions to lib Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 10/16] selftests: forwarding: bridge_mdb: Fix a typo Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 11/16] selftests: forwarding: lib: Add helpers for IP address handling Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 12/16] selftests: forwarding: lib: Add helpers for checksum handling Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 13/16] selftests: forwarding: lib: Parameterize IGMPv3/MLDv2 generation Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 14/16] selftests: forwarding: lib: Allow list of IPs for IGMPv3/MLDv2 Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-02 17:59 ` Petr Machata [this message] 2023-02-02 17:59 ` [Bridge] [PATCH net-next v3 15/16] selftests: forwarding: lib: Add helpers to build IGMP/MLD leave packets Petr Machata 2023-02-02 17:59 ` [PATCH net-next v3 16/16] selftests: forwarding: bridge_mdb_max: Add a new selftest Petr Machata 2023-02-02 17:59 ` [Bridge] " Petr Machata 2023-02-03 9:02 ` Nikolay Aleksandrov 2023-02-03 9:02 ` [Bridge] " Nikolay Aleksandrov 2023-02-06 9:00 ` [PATCH net-next v3 00/16] bridge: Limit number of MDB entries per port, port-vlan patchwork-bot+netdevbpf 2023-02-06 9:00 ` [Bridge] " patchwork-bot+netdevbpf
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