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

[vpp.git] / src / vnet / ipip / ipip.h

diff --git a/src/vnet/ipip/ipip.h b/src/vnet/ipip/ipip.h
index 6afb188..be94450 100644 (file)
--- a/src/vnet/ipip/ipip.h
+++ b/src/vnet/ipip/ipip.h
@@ -26,11 +26,12 @@
 
 extern vnet_hw_interface_class_t ipip_hw_interface_class;
 
-#define foreach_ipip_error                     \
-  /* Must be first. */                         \
-  _(DECAP_PKTS, "packets decapsulated")                \
-  _(BAD_PROTOCOL, "bad protocol")              \
-  _(NO_TUNNEL, "no tunnel")
+#define foreach_ipip_error                             \
+  /* Must be first. */                                 \
+  _(DECAP_PKTS, "packets decapsulated")                        \
+  _(BAD_PROTOCOL, "bad protocol")                      \
+  _(NO_TUNNEL, "no tunnel")                            \
+  _(FRAGMENTED_PACKET, "fragmented outer packet")
 
 typedef enum
 {
@@ -51,10 +52,10 @@ typedef enum
 
 typedef struct
 {
-  ipip_transport_t transport;
-  u32 fib_index;
   ip46_address_t src;
   ip46_address_t dst;
+  ipip_transport_t transport;
+  u32 fib_index;
 } __attribute__ ((packed)) ipip_tunnel_key_t;
 
 typedef enum
@@ -63,6 +64,28 @@ typedef enum
   IPIP_MODE_6RD,
 } 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
  */
@@ -81,26 +104,19 @@ typedef struct
   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;
 
-  union
+  struct
   {
-    struct
-    {
-      fib_node_t node;
-      fib_node_index_t fib_entry_index;
-      u32 sibling_index;
-    } p2p;
-    struct
-    {
-      ip6_address_t ip6_prefix;
-      ip4_address_t ip4_prefix;
-      u8 ip6_prefix_len;
-      u8 ip4_prefix_len;
-      u8 shift;
-      bool security_check;
-    } sixrd;
-  };
+    ip6_address_t ip6_prefix;
+    ip4_address_t ip4_prefix;
+    u8 ip6_prefix_len;
+    u8 ip4_prefix_len;
+    u8 shift;
+    bool security_check;
+    u32 ip6_fib_index;
+  } sixrd;
 } ipip_tunnel_t;
 
 typedef struct
@@ -108,7 +124,6 @@ typedef struct
   ipip_tunnel_t *tunnels;
   uword *tunnel_by_key;
   u32 *tunnel_index_by_sw_if_index;
-  fib_node_type_t fib_node_type;
 
   /* convenience */
   vlib_main_t *vlib_main;
@@ -119,6 +134,8 @@ typedef struct
 
   bool ip4_protocol_registered;
   bool ip6_protocol_registered;
+
+  u16 msg_id_base;
 } ipip_main_t;
 
 extern ipip_main_t ipip_main;
@@ -149,12 +166,14 @@ sixrd_get_addr_net (const ipip_tunnel_t * t, u64 dal)
 
 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,
                      ip4_address_t * ip4_src, bool security_check,
-                     u32 fib_index, u32 * sw_if_index);
+                     u32 ip4_fib_index, u32 ip6_fib_index,
+                     u32 * sw_if_index);
 int sixrd_del_tunnel (u32 sw_if_index);
 void ipip_tunnel_db_add (ipip_tunnel_t * t, ipip_tunnel_key_t * key);
 void ipip_tunnel_db_remove (ipip_tunnel_t * t);