[PATCH net-next v3 14/16] selftests: forwarding: lib: Allow list of IPs for IGMPv3/MLDv2
From: Petr Machata <petrm@nvidia.com>
Date: 2023-02-02 18:01:53
Also in:
bridge
Subsystem:
kernel selftest framework, networking [general], networking [ipv4/ipv6], the rest · Maintainers:
Shuah Khan, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
The testsuite that checks for mcast_max_groups functionality will need to generate IGMP and MLD packets with configurable number of (S,G) addresses. To that end, further extend igmpv3_is_in_get() and mldv2_is_in_get() to allow a list of IP addresses instead of one address. Signed-off-by: Petr Machata <petrm@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> --- tools/testing/selftests/net/forwarding/lib.sh | 22 +++++++++++++------ 1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
index 190e49e60508..12ef34ebcbbf 100755
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh@@ -1789,11 +1789,12 @@ payload_template_nbytes() igmpv3_is_in_get() { local GRP=$1; shift - local IP=$1; shift + local sources=("$@") local igmpv3 + local nsources=$(u16_to_bytes ${#sources[@]}) - # IS_IN ( $IP ) + # IS_IN ( $sources ) igmpv3=$(: )"22:"$( : Type - Membership Report )"00:"$( : Reserved
@@ -1802,9 +1803,12 @@ igmpv3_is_in_get() )"00:01:"$( : Number of Group Records )"01:"$( : Record Type - IS_IN )"00:"$( : Aux Data Len - )"00:01:"$( : Number of Sources + )"${nsources}:"$( : Number of Sources )"$(ipv4_to_bytes $GRP):"$( : Multicast Address - )"$(ipv4_to_bytes $IP)"$( : Source Address + )"$(for src in "${sources[@]}"; do + ipv4_to_bytes $src + echo -n : + done)"$( : Source Addresses ) local checksum=$(payload_template_calc_checksum "$igmpv3")
@@ -1815,10 +1819,11 @@ mldv2_is_in_get() { local SIP=$1; shift local GRP=$1; shift - local IP=$1; shift + local sources=("$@") local hbh local icmpv6 + local nsources=$(u16_to_bytes ${#sources[@]}) hbh=$(: )"3a:"$( : Next Header - ICMPv6
@@ -1834,9 +1839,12 @@ mldv2_is_in_get() )"00:01:"$( : Number of Group Records )"01:"$( : Record Type - IS_IN )"00:"$( : Aux Data Len - )"00:01:"$( : Number of Sources + )"${nsources}:"$( : Number of Sources )"$(ipv6_to_bytes $GRP):"$( : Multicast address - )"$(ipv6_to_bytes $IP):"$( : Source Address + )"$(for src in "${sources[@]}"; do + ipv6_to_bytes $src + echo -n : + done)"$( : Source Addresses ) local len=$(u16_to_bytes $(payload_template_nbytes $icmpv6))
--
2.39.0