ipip: Tunnel flags controlling copying data to/from payload/encap

Type: feature

Signed-off-by: Neale Ranns <nranns@cisco.com>
Change-Id: I9467f11775936754406892b8e9e275f989ac9b30
diff --git a/src/vnet/ipip/ipip.h b/src/vnet/ipip/ipip.h
index c55d1d7..be94450 100644
--- a/src/vnet/ipip/ipip.h
+++ b/src/vnet/ipip/ipip.h
@@ -65,6 +65,28 @@
 } ipip_mode_t;
 
 /**
+ * Keep these idenitical to those in ipip.api
+ */
+#define forech_ipip_tunnel_flag                     \
+  _(NONE, "none", 0x0)                              \
+  _(ENCAP_COPY_DF, "encap-copy-df", 0x1)            \
+  _(ENCAP_SET_DF, "encap-set-df", 0x2)              \
+  _(ENCAP_COPY_DSCP, "encap-copy-dscp", 0x4)        \
+  _(ENCAP_COPY_ECN, "encap-copy-ecn", 0x8)          \
+  _(DECAP_COPY_ECN, "decap-copy-ecn", 0x10)
+
+typedef enum ipip_tunnel_flags_t_
+{
+#define _(a,b,c) IPIP_TUNNEL_FLAG_##a = c,
+  forech_ipip_tunnel_flag
+#undef _
+} __clib_packed ipip_tunnel_flags_t;
+
+#define IPIP_TUNNEL_FLAG_MASK (0x1f)
+
+extern u8 *format_ipip_tunnel_flags (u8 * s, va_list * args);
+
+/**
  * @brief A representation of a IPIP tunnel
  */
 typedef struct
@@ -82,7 +104,8 @@
   u32 sw_if_index;
   u32 dev_instance;		/* Real device instance in tunnel vector */
   u32 user_instance;		/* Instance name being shown to user */
-  u8 tc_tos;
+  ipip_tunnel_flags_t flags;
+  ip_dscp_t dscp;
 
   struct
   {
@@ -143,7 +166,8 @@
 
 int ipip_add_tunnel (ipip_transport_t transport, u32 instance,
 		     ip46_address_t * src, ip46_address_t * dst,
-		     u32 fib_index, u8 tc_tos, u32 * sw_if_indexp);
+		     u32 fib_index, ipip_tunnel_flags_t flags,
+		     ip_dscp_t dscp, u32 * sw_if_indexp);
 int ipip_del_tunnel (u32 sw_if_index);
 int sixrd_add_tunnel (ip6_address_t * ip6_prefix, u8 ip6_prefix_len,
 		      ip4_address_t * ip4_prefix, u8 ip4_prefix_len,