1 files changed, 138 insertions, 0 deletions
diff --git a/lib/iana_afi.h b/lib/iana_afi.h
new file mode 100644
index 0000000..b9c19cc
--- /dev/null
+++ b/lib/iana_afi.h
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * iana_afi and safi definitions.
+ * Copyright (C) 2018-2019 Cumulus Networks, Inc.
+ * Donald Sharp
+ */
+#ifndef __IANA_AFI_H__
+
+#include <prefix.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * The above AFI and SAFI definitions are for internal use. The protocol
+ * definitions (IANA values) as for example used in BGP protocol packets
+ * are defined below and these will get mapped to/from the internal values
+ * in the appropriate places.
+ * The rationale is that the protocol (IANA) values may be sparse and are
+ * not optimal for use in data-structure sizing.
+ * Note: Only useful (i.e., supported) values are defined below.
+ */
+typedef enum {
+	IANA_AFI_RESERVED = 0,
+	IANA_AFI_IPV4 = 1,
+	IANA_AFI_IPV6 = 2,
+	IANA_AFI_L2VPN = 25,
+} iana_afi_t;
+
+typedef enum {
+	IANA_SAFI_RESERVED = 0,
+	IANA_SAFI_UNICAST = 1,
+	IANA_SAFI_MULTICAST = 2,
+	IANA_SAFI_LABELED_UNICAST = 4,
+	IANA_SAFI_ENCAP = 7,
+	IANA_SAFI_EVPN = 70,
+	IANA_SAFI_MPLS_VPN = 128,
+	IANA_SAFI_FLOWSPEC = 133
+} iana_safi_t;
+
+static inline afi_t afi_iana2int(iana_afi_t afi)
+{
+	switch (afi) {
+	case IANA_AFI_IPV4:
+		return AFI_IP;
+	case IANA_AFI_IPV6:
+		return AFI_IP6;
+	case IANA_AFI_L2VPN:
+		return AFI_L2VPN;
+	case IANA_AFI_RESERVED:
+		return AFI_MAX;
+	}
+
+	return AFI_MAX;
+}
+
+static inline iana_afi_t afi_int2iana(afi_t afi)
+{
+	switch (afi) {
+	case AFI_IP:
+		return IANA_AFI_IPV4;
+	case AFI_IP6:
+		return IANA_AFI_IPV6;
+	case AFI_L2VPN:
+		return IANA_AFI_L2VPN;
+	case AFI_UNSPEC:
+	case AFI_MAX:
+		return IANA_AFI_RESERVED;
+	}
+
+	return IANA_AFI_RESERVED;
+}
+
+static inline const char *iana_afi2str(iana_afi_t afi)
+{
+	return afi2str(afi_iana2int(afi));
+}
+
+static inline safi_t safi_iana2int(iana_safi_t safi)
+{
+	switch (safi) {
+	case IANA_SAFI_UNICAST:
+		return SAFI_UNICAST;
+	case IANA_SAFI_MULTICAST:
+		return SAFI_MULTICAST;
+	case IANA_SAFI_MPLS_VPN:
+		return SAFI_MPLS_VPN;
+	case IANA_SAFI_ENCAP:
+		return SAFI_ENCAP;
+	case IANA_SAFI_EVPN:
+		return SAFI_EVPN;
+	case IANA_SAFI_LABELED_UNICAST:
+		return SAFI_LABELED_UNICAST;
+	case IANA_SAFI_FLOWSPEC:
+		return SAFI_FLOWSPEC;
+	case IANA_SAFI_RESERVED:
+		return SAFI_MAX;
+	}
+
+	return SAFI_MAX;
+}
+
+static inline iana_safi_t safi_int2iana(safi_t safi)
+{
+	switch (safi) {
+	case SAFI_UNICAST:
+		return IANA_SAFI_UNICAST;
+	case SAFI_MULTICAST:
+		return IANA_SAFI_MULTICAST;
+	case SAFI_MPLS_VPN:
+		return IANA_SAFI_MPLS_VPN;
+	case SAFI_ENCAP:
+		return IANA_SAFI_ENCAP;
+	case SAFI_EVPN:
+		return IANA_SAFI_EVPN;
+	case SAFI_LABELED_UNICAST:
+		return IANA_SAFI_LABELED_UNICAST;
+	case SAFI_FLOWSPEC:
+		return IANA_SAFI_FLOWSPEC;
+	case SAFI_UNSPEC:
+	case SAFI_MAX:
+		return IANA_SAFI_RESERVED;
+	}
+
+	return IANA_SAFI_RESERVED;
+}
+
+static inline const char *iana_safi2str(iana_safi_t safi)
+{
+	return safi2str(safi_iana2int(safi));
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif