IPv6 HBH: Refactor code. Separate out RFC2460 HBH handling and the more experimental

          IOAM code. Support dynamically adding options. By default
          only process HBH if explicitly configured to. Otherwise we'll just set
          ourselves up to be a victim of DOS.

Change-Id: I41cdfdc00aeaa0cf568e4463440b89be761b6b7d
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/vnet/etc/scripts/ip6-hbh b/vnet/etc/scripts/ip6-hbh
new file mode 100644
index 00000000000..0c6de47f100
--- /dev/null
+++ b/vnet/etc/scripts/ip6-hbh
@@ -0,0 +1,84 @@
+tap connect tap0
+set int state tap-0 up
+set int ip address tap-0 1::1/64
+packet-generator new {
+  name hbh1
+  limit 1
+  node ip6-input
+  size 48-48
+  no-recycle
+  data {
+    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
+    hex 0x3B00010403040506
+    incrementing 100
+  }
+}
+packet-generator new {
+  name hbh2
+  limit 1
+  node ip6-input
+  size 48-48
+  no-recycle
+  data {
+    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
+    hex 0x3B00C10403040506
+    incrementing 100
+  }
+}
+
+packet-generator new {
+  name hbh3
+  limit 1
+  node ip6-input
+  size 48-48
+  no-recycle
+  data {
+    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
+    hex 0x3BffC10403040506
+    incrementing 100
+  }
+}
+
+packet-generator new {
+  name hbh4
+  limit 1
+  node ip6-input
+  size 64-64
+  no-recycle
+  data {
+    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
+    hex 0x3BffC10403040506
+    incrementing 100
+  }
+}
+
+packet-generator new {
+  name hbh5
+  limit 1
+  node ip6-input
+  size 56-56
+  no-recycle
+  data {
+    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
+    length 16
+    hex 0x3B010104030405060106030405060708
+    incrementing 100
+  }
+}
+
+packet-generator new {
+  name hbh6
+  limit 1
+  node ip6-input
+  size 56-56
+  no-recycle
+  data {
+    IP6_HOP_BY_HOP_OPTIONS: 1::2 -> 1::2
+    length 16
+    hex 0x3a00050200000100
+    ICMP echo_request
+    incrementing 100
+  }
+}
+
+tr add pg-input 100