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@xxxxxxxxxx>
Acked-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx>
---
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
