If dependency is already fulfilled, do not add another one.
Signed-off-by: Florian Westphal <fw@strlen.de>
icmp sequence { 33-55};ok;icmp type { echo-request, echo-reply} icmp sequence { 33-55}
icmp sequence != { 33-55};ok;icmp type { echo-request, echo-reply} icmp sequence != { 33-55}
icmp id 1 icmp sequence 2;ok;icmp type { echo-reply, echo-request} icmp id 1 icmp sequence 2
+icmp type { echo-reply, echo-request} icmp id 1 icmp sequence 2;ok
icmp mtu 33;ok
icmp mtu 22-33;ok
[ payload load 4b @ transport header + 4 => reg 1 ]
[ cmp eq reg 1 0x02000100 ]
+# icmp type { echo-reply, echo-request} icmp id 1 icmp sequence 2
+__set%d test-ip4 3
+__set%d test-ip4 0
+ element 00000000 : 0 [end] element 00000008 : 0 [end]
+ip
+ [ meta load l4proto => reg 1 ]
+ [ cmp eq reg 1 0x00000001 ]
+ [ payload load 1b @ transport header + 0 => reg 1 ]
+ [ lookup reg 1 set __set%d ]
+ [ payload load 4b @ transport header + 4 => reg 1 ]
+ [ cmp eq reg 1 0x02000100 ]
+
# icmp mtu 33
ip test-ip4 input
[ meta load l4proto => reg 1 ]
icmpv6 mtu != {33, 55, 67, 88};ok
icmpv6 mtu {33-55};ok
icmpv6 mtu != {33-55};ok
+icmpv6 type packet-too-big icmpv6 mtu 1280;ok;icmpv6 mtu 1280
icmpv6 id 33-45;ok;icmpv6 type { echo-request, echo-reply} icmpv6 id 33-45
icmpv6 id != 33-45;ok;icmpv6 type { echo-request, echo-reply} icmpv6 id != 33-45
[ payload load 4b @ transport header + 4 => reg 1 ]
[ lookup reg 1 set __set%d 0x1 ]
+# icmpv6 type packet-too-big icmpv6 mtu 1280
+ip6
+ [ meta load l4proto => reg 1 ]
+ [ cmp eq reg 1 0x0000003a ]
+ [ payload load 1b @ transport header + 0 => reg 1 ]
+ [ cmp eq reg 1 0x00000002 ]
+ [ payload load 4b @ transport header + 4 => reg 1 ]
+ [ cmp eq reg 1 0x00050000 ]
+
# icmpv6 id 33-45
__set%d test-ip6 3
__set%d test-ip6 0