Adding upstream version 8.4.4.upstream/8.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 743 insertions, 0 deletions

diff --git a/bgpd/rfapi/rfapi_encap_tlv.c b/bgpd/rfapi/rfapi_encap_tlv.c
new file mode 100644
index 0000000..d4e875d
--- /dev/null
+++ b/bgpd/rfapi/rfapi_encap_tlv.c
@@ -0,0 +1,743 @@
+/*
+ * Copyright 2015-2016, LabN Consulting, L.L.C.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "lib/zebra.h"
+
+#include "lib/memory.h"
+#include "lib/prefix.h"
+#include "lib/table.h"
+#include "lib/vty.h"
+
+#include "bgpd/bgpd.h"
+#include "bgpd/bgp_attr.h"
+
+#include "bgpd/bgp_encap_types.h"
+#include "bgpd/bgp_encap_tlv.h"
+
+#include "bgpd/rfapi/rfapi.h"
+#include "bgpd/rfapi/rfapi_encap_tlv.h"
+#include "bgpd/rfapi/rfapi_private.h"
+#include "bgpd/rfapi/rfapi_monitor.h"
+#include "bgpd/rfapi/rfapi_vty.h"
+#include "bgpd/rfapi/bgp_rfapi_cfg.h"
+#include "bgpd/rfapi/vnc_debug.h"
+
+static void rfapi_add_endpoint_address_to_subtlv(
+	struct bgp *bgp, struct rfapi_ip_addr *ea,
+	struct bgp_tea_subtlv_remote_endpoint *subtlv)
+{
+	subtlv->family = ea->addr_family;
+	if (subtlv->family == AF_INET)
+		subtlv->ip_address.v4 = ea->addr.v4;
+	else
+		subtlv->ip_address.v6 = ea->addr.v6;
+	subtlv->as4 = htonl(bgp->as);
+}
+
+bgp_encap_types
+rfapi_tunneltype_option_to_tlv(struct bgp *bgp, struct rfapi_ip_addr *ea,
+			       struct rfapi_tunneltype_option *tto,
+			       struct attr *attr, int always_add)
+{
+
+#define _RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(ttype)                                \
+	if ((always_add                                                        \
+	     || (bgp->rfapi_cfg                                                \
+		 && !CHECK_FLAG(bgp->rfapi_cfg->flags,                         \
+				BGP_VNC_CONFIG_ADV_UN_METHOD_ENCAP)))          \
+	    && ea                                                              \
+	    && !CHECK_SUBTLV_FLAG(&tto->bgpinfo.ttype,                         \
+				  BGP_TEA_SUBTLV_REMOTE_ENDPOINT)) {           \
+		rfapi_add_endpoint_address_to_subtlv(                          \
+			bgp, ea, &tto->bgpinfo.ttype.st_endpoint);             \
+		SET_SUBTLV_FLAG(&tto->bgpinfo.ttype,                           \
+				BGP_TEA_SUBTLV_REMOTE_ENDPOINT);               \
+	}
+
+	struct rfapi_tunneltype_option dto;
+	if (tto == NULL) { /* create default type */
+		tto = &dto;
+		memset(tto, 0, sizeof(dto));
+		tto->type = RFAPI_BGP_ENCAP_TYPE_DEFAULT;
+	}
+	switch (tto->type) {
+	case BGP_ENCAP_TYPE_L2TPV3_OVER_IP:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(l2tpv3_ip);
+		bgp_encap_type_l2tpv3overip_to_tlv(&tto->bgpinfo.l2tpv3_ip,
+						   attr);
+		break;
+
+	case BGP_ENCAP_TYPE_GRE:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(gre);
+		bgp_encap_type_gre_to_tlv(&tto->bgpinfo.gre, attr);
+		break;
+
+	case BGP_ENCAP_TYPE_TRANSMIT_TUNNEL_ENDPOINT:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(transmit_tunnel_endpoint);
+		bgp_encap_type_transmit_tunnel_endpoint(
+			&tto->bgpinfo.transmit_tunnel_endpoint, attr);
+		break;
+
+	case BGP_ENCAP_TYPE_IPSEC_IN_TUNNEL_MODE:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(ipsec_tunnel);
+		bgp_encap_type_ipsec_in_tunnel_mode_to_tlv(
+			&tto->bgpinfo.ipsec_tunnel, attr);
+		break;
+
+	case BGP_ENCAP_TYPE_IP_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(ip_ipsec);
+		bgp_encap_type_ip_in_ip_tunnel_with_ipsec_transport_mode_to_tlv(
+			&tto->bgpinfo.ip_ipsec, attr);
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(mpls_ipsec);
+		bgp_encap_type_mpls_in_ip_tunnel_with_ipsec_transport_mode_to_tlv(
+			&tto->bgpinfo.mpls_ipsec, attr);
+		break;
+
+	case BGP_ENCAP_TYPE_IP_IN_IP:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(ip_ip);
+		bgp_encap_type_ip_in_ip_to_tlv(&tto->bgpinfo.ip_ip, attr);
+		break;
+
+	case BGP_ENCAP_TYPE_VXLAN:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(vxlan);
+		bgp_encap_type_vxlan_to_tlv(&tto->bgpinfo.vxlan, attr);
+		break;
+
+	case BGP_ENCAP_TYPE_NVGRE:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(nvgre);
+		bgp_encap_type_nvgre_to_tlv(&tto->bgpinfo.nvgre, attr);
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS:
+		/* nothing to do for MPLS */
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS_IN_GRE:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(mpls_gre);
+		bgp_encap_type_mpls_in_gre_to_tlv(&tto->bgpinfo.mpls_gre, attr);
+		break;
+
+	case BGP_ENCAP_TYPE_VXLAN_GPE:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(vxlan_gpe);
+		bgp_encap_type_vxlan_gpe_to_tlv(&tto->bgpinfo.vxlan_gpe, attr);
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS_IN_UDP:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(mpls_udp);
+		bgp_encap_type_mpls_in_udp_to_tlv(&tto->bgpinfo.mpls_udp, attr);
+		break;
+
+	case BGP_ENCAP_TYPE_PBB:
+		_RTTO_MAYBE_ADD_ENDPOINT_ADDRESS(pbb);
+		bgp_encap_type_pbb_to_tlv(&tto->bgpinfo.pbb, attr);
+		break;
+
+	default:
+		assert(0);
+	}
+	return tto->type;
+}
+
+struct rfapi_un_option *rfapi_encap_tlv_to_un_option(struct attr *attr)
+{
+	struct rfapi_un_option *uo = NULL;
+	struct rfapi_tunneltype_option *tto;
+	int rc;
+	struct bgp_attr_encap_subtlv *stlv;
+
+	/* no tunnel encap attr stored */
+	if (!attr->encap_tunneltype)
+		return NULL;
+
+	stlv = attr->encap_subtlvs;
+
+	uo = XCALLOC(MTYPE_RFAPI_UN_OPTION, sizeof(struct rfapi_un_option));
+	uo->type = RFAPI_UN_OPTION_TYPE_TUNNELTYPE;
+	uo->v.tunnel.type = attr->encap_tunneltype;
+	tto = &uo->v.tunnel;
+
+	switch (attr->encap_tunneltype) {
+	case BGP_ENCAP_TYPE_L2TPV3_OVER_IP:
+		rc = tlv_to_bgp_encap_type_l2tpv3overip(
+			stlv, &tto->bgpinfo.l2tpv3_ip);
+		break;
+
+	case BGP_ENCAP_TYPE_GRE:
+		rc = tlv_to_bgp_encap_type_gre(stlv, &tto->bgpinfo.gre);
+		break;
+
+	case BGP_ENCAP_TYPE_TRANSMIT_TUNNEL_ENDPOINT:
+		rc = tlv_to_bgp_encap_type_transmit_tunnel_endpoint(
+			stlv, &tto->bgpinfo.transmit_tunnel_endpoint);
+		break;
+
+	case BGP_ENCAP_TYPE_IPSEC_IN_TUNNEL_MODE:
+		rc = tlv_to_bgp_encap_type_ipsec_in_tunnel_mode(
+			stlv, &tto->bgpinfo.ipsec_tunnel);
+		break;
+
+	case BGP_ENCAP_TYPE_IP_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE:
+		rc = tlv_to_bgp_encap_type_ip_in_ip_tunnel_with_ipsec_transport_mode(
+			stlv, &tto->bgpinfo.ip_ipsec);
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE:
+		rc = tlv_to_bgp_encap_type_mpls_in_ip_tunnel_with_ipsec_transport_mode(
+			stlv, &tto->bgpinfo.mpls_ipsec);
+		break;
+
+	case BGP_ENCAP_TYPE_IP_IN_IP:
+		rc = tlv_to_bgp_encap_type_ip_in_ip(stlv, &tto->bgpinfo.ip_ip);
+		break;
+
+	case BGP_ENCAP_TYPE_VXLAN:
+		rc = tlv_to_bgp_encap_type_vxlan(stlv, &tto->bgpinfo.vxlan);
+		break;
+
+	case BGP_ENCAP_TYPE_NVGRE:
+		rc = tlv_to_bgp_encap_type_nvgre(stlv, &tto->bgpinfo.nvgre);
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS:
+		rc = tlv_to_bgp_encap_type_mpls(stlv, &tto->bgpinfo.mpls);
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS_IN_GRE:
+		rc = tlv_to_bgp_encap_type_mpls_in_gre(stlv,
+						       &tto->bgpinfo.mpls_gre);
+		break;
+
+	case BGP_ENCAP_TYPE_VXLAN_GPE:
+		rc = tlv_to_bgp_encap_type_vxlan_gpe(stlv,
+						     &tto->bgpinfo.vxlan_gpe);
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS_IN_UDP:
+		rc = tlv_to_bgp_encap_type_mpls_in_udp(stlv,
+						       &tto->bgpinfo.mpls_udp);
+		break;
+
+	case BGP_ENCAP_TYPE_PBB:
+		rc = tlv_to_bgp_encap_type_pbb(stlv, &tto->bgpinfo.pbb);
+		break;
+
+	default:
+		vnc_zlog_debug_verbose("%s: unknown tunnel type %d", __func__,
+				       attr->encap_tunneltype);
+		rc = -1;
+		break;
+	}
+	if (rc) {
+		XFREE(MTYPE_RFAPI_UN_OPTION, uo);
+	}
+	return uo;
+}
+
+/***********************************************************************
+ *			SUBTLV PRINT
+ ***********************************************************************/
+
+static void subtlv_print_encap_l2tpv3_over_ip(
+	void *stream, int column_offset,
+	struct bgp_tea_subtlv_encap_l2tpv3_over_ip *st)
+{
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!st)
+		return;
+
+	fp(out, "%*s%s%s", column_offset, "", "SubTLV: Encap(L2TPv3 over IP)",
+	   vty_newline);
+	fp(out, "%*s  SessionID: %d%s", column_offset, "", st->sessionid,
+	   vty_newline);
+	fp(out, "%*s  Cookie: (length %d)%s", column_offset, "",
+	   st->cookie_length, vty_newline);
+}
+
+static void subtlv_print_encap_gre(void *stream, int column_offset,
+				   struct bgp_tea_subtlv_encap_gre_key *st)
+{
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!st)
+		return;
+
+	fp(out, "%*s%s%s", column_offset, "", "SubTLV: Encap(GRE)",
+	   vty_newline);
+	fp(out, "%*s  GRE key: %d (0x%x)%s", column_offset, "", st->gre_key,
+	   st->gre_key, vty_newline);
+}
+
+static void subtlv_print_encap_pbb(void *stream, int column_offset,
+				   struct bgp_tea_subtlv_encap_pbb *st)
+{
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!st)
+		return;
+
+	fp(out, "%*s%s%s", column_offset, "", "SubTLV: Encap(PBB)",
+	   vty_newline);
+	if (st->flag_isid) {
+		fp(out, "%*s  ISID: %d (0x%x)%s", column_offset, "", st->isid,
+		   st->isid, vty_newline);
+	}
+	if (st->flag_vid) {
+		fp(out, "%*s  VID: %d (0x%x)%s", column_offset, "", st->vid,
+		   st->vid, vty_newline);
+	}
+	fp(out, "%*s  MACADDR %02x:%02x:%02x:%02x:%02x:%02x%s", column_offset,
+	   "", st->macaddr[0], st->macaddr[1], st->macaddr[2], st->macaddr[3],
+	   st->macaddr[4], st->macaddr[5], vty_newline);
+}
+
+static void subtlv_print_proto_type(void *stream, int column_offset,
+				    struct bgp_tea_subtlv_proto_type *st)
+{
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!st)
+		return;
+
+	fp(out, "%*s%s%s", column_offset, "", "SubTLV: Encap(Proto Type)",
+	   vty_newline);
+	fp(out, "%*s  Proto %d (0x%x)%s", column_offset, "", st->proto,
+	   st->proto, vty_newline);
+}
+
+static void subtlv_print_color(void *stream, int column_offset,
+			       struct bgp_tea_subtlv_color *st)
+{
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!st)
+		return;
+
+	fp(out, "%*s%s%s", column_offset, "", "SubTLV: Color", vty_newline);
+	fp(out, "%*s  Color: %d (0x%x)", column_offset, "", st->color,
+	   st->color, vty_newline);
+}
+
+static void subtlv_print_ipsec_ta(void *stream, int column_offset,
+				  struct bgp_tea_subtlv_ipsec_ta *st)
+{
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!st)
+		return;
+
+	fp(out, "%*s%s%s", column_offset, "", "SubTLV: IPSEC TA", vty_newline);
+	fp(out, "%*s  Authenticator Type: %d (0x%x)", column_offset, "",
+	   st->authenticator_type, st->authenticator_type, vty_newline);
+	fp(out, "%*s  Authenticator: (length %d)", column_offset, "",
+	   st->authenticator_length, vty_newline);
+}
+
+/***********************************************************************
+ *			TLV PRINT
+ ***********************************************************************/
+
+static void
+print_encap_type_l2tpv3overip(void *stream, int column_offset,
+			      struct bgp_encap_type_l2tpv3_over_ip *bet)
+{
+	const char *type = "L2TPv3 over IP";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	subtlv_print_encap_l2tpv3_over_ip(stream, column_offset + 2,
+					  &bet->st_encap);
+	subtlv_print_proto_type(stream, column_offset + 2, &bet->st_proto);
+	subtlv_print_color(stream, column_offset + 2, &bet->st_color);
+}
+
+static void print_encap_type_gre(void *stream, int column_offset,
+				 struct bgp_encap_type_gre *bet)
+{
+	const char *type = "GRE";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	subtlv_print_encap_gre(stream, column_offset + 2, &bet->st_encap);
+	subtlv_print_proto_type(stream, column_offset + 2, &bet->st_proto);
+	subtlv_print_color(stream, column_offset + 2, &bet->st_color);
+}
+
+static void print_encap_type_ip_in_ip(void *stream, int column_offset,
+				      struct bgp_encap_type_ip_in_ip *bet)
+{
+	const char *type = "IP in IP";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	subtlv_print_proto_type(stream, column_offset + 2, &bet->st_proto);
+	subtlv_print_color(stream, column_offset + 2, &bet->st_color);
+}
+
+static void print_encap_type_transmit_tunnel_endpoint(
+	void *stream, int column_offset,
+	struct bgp_encap_type_transmit_tunnel_endpoint *bet)
+{
+	const char *type = "Transmit Tunnel Endpoint";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	/* no subtlvs for this type */
+}
+
+static void print_encap_type_ipsec_in_tunnel_mode(
+	void *stream, int column_offset,
+	struct bgp_encap_type_ipsec_in_tunnel_mode *bet)
+{
+	const char *type = "IPSEC in Tunnel mode";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+	subtlv_print_ipsec_ta(stream, column_offset + 2, &bet->st_ipsec_ta);
+}
+
+static void print_encap_type_ip_in_ip_tunnel_with_ipsec_transport_mode(
+	void *stream, int column_offset,
+	struct bgp_encap_type_ip_in_ip_tunnel_with_ipsec_transport_mode *bet)
+{
+	const char *type = "IP in IP Tunnel with IPSEC transport mode";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	subtlv_print_ipsec_ta(stream, column_offset + 2, &bet->st_ipsec_ta);
+}
+
+static void print_encap_type_mpls_in_ip_tunnel_with_ipsec_transport_mode(
+	void *stream, int column_offset,
+	struct bgp_encap_type_mpls_in_ip_tunnel_with_ipsec_transport_mode *bet)
+{
+	const char *type = "MPLS in IP Tunnel with IPSEC transport mode";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	subtlv_print_ipsec_ta(stream, column_offset + 2, &bet->st_ipsec_ta);
+}
+
+
+static void print_encap_type_pbb(void *stream, int column_offset,
+				 struct bgp_encap_type_pbb *bet)
+{
+	const char *type = "PBB";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	subtlv_print_encap_pbb(stream, column_offset + 2, &bet->st_encap);
+}
+
+
+static void print_encap_type_vxlan(void *stream, int column_offset,
+				   struct bgp_encap_type_vxlan *bet)
+{
+	const char *type = "VXLAN";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	/* no subtlvs for this type */
+}
+
+
+static void print_encap_type_nvgre(void *stream, int column_offset,
+				   struct bgp_encap_type_nvgre *bet)
+{
+	const char *type = "NVGRE";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	/* no subtlvs for this type */
+}
+
+static void print_encap_type_mpls(void *stream, int column_offset,
+				  struct bgp_encap_type_mpls *bet)
+{
+	const char *type = "MPLS";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	/* no subtlvs for this type */
+}
+
+static void print_encap_type_mpls_in_gre(void *stream, int column_offset,
+					 struct bgp_encap_type_mpls_in_gre *bet)
+{
+	const char *type = "MPLS in GRE";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	/* no subtlvs for this type */
+}
+
+static void print_encap_type_vxlan_gpe(void *stream, int column_offset,
+				       struct bgp_encap_type_vxlan_gpe *bet)
+{
+	const char *type = "VXLAN GPE";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	/* no subtlvs for this type */
+}
+
+static void print_encap_type_mpls_in_udp(void *stream, int column_offset,
+					 struct bgp_encap_type_mpls_in_udp *bet)
+{
+	const char *type = "MPLS in UDP";
+	int (*fp)(void *, const char *, ...);
+	struct vty *vty;
+	void *out;
+	const char *vty_newline;
+
+	if (rfapiStream2Vty(stream, &fp, &vty, &out, &vty_newline) == 0)
+		return;
+	if (!bet)
+		return;
+
+	fp(out, "%*sTEA type %s%s", column_offset, "", type, vty_newline);
+
+	/* no subtlvs for this type */
+}
+
+void rfapi_print_tunneltype_option(void *stream, int column_offset,
+				   struct rfapi_tunneltype_option *tto)
+{
+	switch (tto->type) {
+	case BGP_ENCAP_TYPE_L2TPV3_OVER_IP:
+		print_encap_type_l2tpv3overip(stream, column_offset,
+					      &tto->bgpinfo.l2tpv3_ip);
+		break;
+
+	case BGP_ENCAP_TYPE_GRE:
+		print_encap_type_gre(stream, column_offset, &tto->bgpinfo.gre);
+		break;
+
+	case BGP_ENCAP_TYPE_TRANSMIT_TUNNEL_ENDPOINT:
+		print_encap_type_transmit_tunnel_endpoint(
+			stream, column_offset,
+			&tto->bgpinfo.transmit_tunnel_endpoint);
+		break;
+
+	case BGP_ENCAP_TYPE_IPSEC_IN_TUNNEL_MODE:
+		print_encap_type_ipsec_in_tunnel_mode(
+			stream, column_offset, &tto->bgpinfo.ipsec_tunnel);
+		break;
+
+	case BGP_ENCAP_TYPE_IP_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE:
+		print_encap_type_ip_in_ip_tunnel_with_ipsec_transport_mode(
+			stream, column_offset, &tto->bgpinfo.ip_ipsec);
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE:
+		print_encap_type_mpls_in_ip_tunnel_with_ipsec_transport_mode(
+			stream, column_offset, &tto->bgpinfo.mpls_ipsec);
+		break;
+
+	case BGP_ENCAP_TYPE_IP_IN_IP:
+		print_encap_type_ip_in_ip(stream, column_offset,
+					  &tto->bgpinfo.ip_ip);
+		break;
+
+	case BGP_ENCAP_TYPE_VXLAN:
+		print_encap_type_vxlan(stream, column_offset,
+				       &tto->bgpinfo.vxlan);
+		break;
+
+	case BGP_ENCAP_TYPE_NVGRE:
+		print_encap_type_nvgre(stream, column_offset,
+				       &tto->bgpinfo.nvgre);
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS:
+		print_encap_type_mpls(stream, column_offset,
+				      &tto->bgpinfo.mpls);
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS_IN_GRE:
+		print_encap_type_mpls_in_gre(stream, column_offset,
+					     &tto->bgpinfo.mpls_gre);
+		break;
+
+	case BGP_ENCAP_TYPE_VXLAN_GPE:
+		print_encap_type_vxlan_gpe(stream, column_offset,
+					   &tto->bgpinfo.vxlan_gpe);
+		break;
+
+	case BGP_ENCAP_TYPE_MPLS_IN_UDP:
+		print_encap_type_mpls_in_udp(stream, column_offset,
+					     &tto->bgpinfo.mpls_udp);
+		break;
+
+	case BGP_ENCAP_TYPE_PBB:
+		print_encap_type_pbb(stream, column_offset, &tto->bgpinfo.pbb);
+		break;
+
+	default:
+		assert(0);
+	}
+}