Punt: socket register for exception dispatched/punted packets based on reason

- add to the Punt API to allow different descriptions of the desired packets: UDP or exceptions
- move the punt nodes into punt_node.c
- improve tests (test that the correct packets are punted to the registered socket)

Change-Id: I1a133dec88106874993cba1f5a439cd26b2fef72
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/src/vnet/ip/ip.h b/src/vnet/ip/ip.h
index b114fcbaaf6..7a82dcf8f2b 100644
--- a/src/vnet/ip/ip.h
+++ b/src/vnet/ip/ip.h
@@ -65,6 +65,19 @@
 #include <vnet/ip/icmp6.h>
 #include <vnet/classify/vnet_classify.h>
 
+typedef enum ip_address_family_t_
+{
+  AF_IP4,
+  AF_IP6,
+} ip_address_family_t;
+
+extern uword unformat_ip_address_family (unformat_input_t * input,
+					 va_list * args);
+extern u8 *format_ip_address_family (u8 * s, va_list * args);
+
+#define FOR_EACH_IP_ADDRESS_FAMILY(_af) \
+  for (_af = AF_IP4; _af <= AF_IP6; _af++)
+
 #define u8_ptr_add(ptr, index) (((u8 *)ptr) + index)
 #define u16_net_add(u, val) clib_host_to_net_u16(clib_net_to_host_u16(u) + (val))