selftests: forwarding: Move IGMP- and MLD-related functions to lib

These functions will be helpful for other testsuites as well. Extract them
to a common place.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

tools/testing/selftests/net/forwarding/bridge_mdb.sh

@@ -1018,26 +1018,6 @@ fwd_test()
 	ip -6 address del fe80::1/64 dev br0
 }
 
-igmpv3_is_in_get()
-{
-	local igmpv3
-
-	igmpv3=$(:
-		)"22:"$(			: Type - Membership Report
-		)"00:"$(			: Reserved
-		)"2a:f8:"$(			: Checksum
-		)"00:00:"$(			: Reserved
-		)"00:01:"$(			: Number of Group Records
-		)"01:"$(			: Record Type - IS_IN
-		)"00:"$(			: Aux Data Len
-		)"00:01:"$(			: Number of Sources
-		)"ef:01:01:01:"$(		: Multicast Address - 239.1.1.1
-		)"c0:00:02:02"$(		: Source Address - 192.0.2.2
-		)
-
-	echo $igmpv3
-}
-
 ctrl_igmpv3_is_in_test()
 {
 	RET=0
@@ -1077,35 +1057,6 @@ ctrl_igmpv3_is_in_test()
 	log_test "IGMPv3 MODE_IS_INCLUE tests"
 }
 
-mldv2_is_in_get()
-{
-	local hbh
-	local icmpv6
-
-	hbh=$(:
-		)"3a:"$(			: Next Header - ICMPv6
-		)"00:"$(			: Hdr Ext Len
-		)"00:00:00:00:00:00:"$(		: Options and Padding
-		)
-
-	icmpv6=$(:
-		)"8f:"$(			: Type - MLDv2 Report
-		)"00:"$(			: Code
-		)"45:39:"$(			: Checksum
-		)"00:00:"$(			: Reserved
-		)"00:01:"$(			: Number of Group Records
-		)"01:"$(			: Record Type - IS_IN
-		)"00:"$(			: Aux Data Len
-		)"00:01:"$(			: Number of Sources
-		)"ff:0e:00:00:00:00:00:00:"$(	: Multicast address - ff0e::1
-		)"00:00:00:00:00:00:00:01:"$(	:
-		)"20:01:0d:b8:00:01:00:00:"$(	: Source Address - 2001:db8:1::2
-		)"00:00:00:00:00:00:00:02:"$(	:
-		)
-
-	echo ${hbh}${icmpv6}
-}
-
 ctrl_mldv2_is_in_test()
 {
 	RET=0

tools/testing/selftests/net/forwarding/lib.sh

@@ -1671,3 +1671,52 @@ hw_stats_monitor_test()
 
 	log_test "${type}_stats notifications"
 }
+
+igmpv3_is_in_get()
+{
+	local igmpv3
+
+	igmpv3=$(:
+		)"22:"$(			: Type - Membership Report
+		)"00:"$(			: Reserved
+		)"2a:f8:"$(			: Checksum
+		)"00:00:"$(			: Reserved
+		)"00:01:"$(			: Number of Group Records
+		)"01:"$(			: Record Type - IS_IN
+		)"00:"$(			: Aux Data Len
+		)"00:01:"$(			: Number of Sources
+		)"ef:01:01:01:"$(		: Multicast Address - 239.1.1.1
+		)"c0:00:02:02"$(		: Source Address - 192.0.2.2
+		)
+
+	echo $igmpv3
+}
+
+mldv2_is_in_get()
+{
+	local hbh
+	local icmpv6
+
+	hbh=$(:
+		)"3a:"$(			: Next Header - ICMPv6
+		)"00:"$(			: Hdr Ext Len
+		)"00:00:00:00:00:00:"$(		: Options and Padding
+		)
+
+	icmpv6=$(:
+		)"8f:"$(			: Type - MLDv2 Report
+		)"00:"$(			: Code
+		)"45:39:"$(			: Checksum
+		)"00:00:"$(			: Reserved
+		)"00:01:"$(			: Number of Group Records
+		)"01:"$(			: Record Type - IS_IN
+		)"00:"$(			: Aux Data Len
+		)"00:01:"$(			: Number of Sources
+		)"ff:0e:00:00:00:00:00:00:"$(	: Multicast address - ff0e::1
+		)"00:00:00:00:00:00:00:01:"$(	:
+		)"20:01:0d:b8:00:01:00:00:"$(	: Source Address - 2001:db8:1::2
+		)"00:00:00:00:00:00:00:02:"$(	:
+		)
+
+	echo ${hbh}${icmpv6}
+}