X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fmpls%2Fpacket.h;h=ca6ac407686a7b15a7a6d9e1792b5a118d841b58;hb=31ed74407643595fdce206e9d7487108fb8b33ab;hp=bc67445be8987aa004ee4c4028a88b4f868c3c54;hpb=8f931a47b0fa58d5d33a792062650a42ff8bef70;p=vpp.git

diff --git a/src/vnet/mpls/packet.h b/src/vnet/mpls/packet.h
index bc67445be89..ca6ac407686 100644
--- a/src/vnet/mpls/packet.h
+++ b/src/vnet/mpls/packet.h
@@ -42,6 +42,32 @@ typedef enum mpls_eos_bit_t_
     [MPLS_EOS] = "eos",				\
 }
 
+/**
+ * The Default TTL added to MPLS label headers when no other value is available
+ */
+#define MPLS_LABEL_DEFAULT_TTL 64
+
+/**
+ * The Default EXP added to MPLS label headers when no other value is available
+ */
+#define MPLS_LABEL_DEFAULT_EXP 0
+
+/**
+ * When in uniform mode convert an IPv[46] DSCP value to an MPLS EXP value
+ */
+static inline u8 ip_dscp_to_mpls_exp (u8 tos)
+{
+    return (tos >> 5);
+}
+
+/**
+ * When in uniform mode convert an MPLS EXP value to an IPv[46] DSCP value
+ */
+static inline u8 mpls_exp_to_ip_dscp (u8 exp)
+{
+    return (exp << 5);
+}
+
 #define FOR_EACH_MPLS_EOS_BIT(_eos) \
     for (_eos = MPLS_NON_EOS; _eos <= MPLS_EOS; _eos++)