Adding upstream version 9.1.upstream/9.1

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

1 files changed, 1220 insertions, 0 deletions

diff --git a/zebra/zebra_dplane.h b/zebra/zebra_dplane.h
new file mode 100644
index 0000000..87c2e03
--- /dev/null
+++ b/zebra/zebra_dplane.h
@@ -0,0 +1,1220 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Zebra dataplane layer api interfaces.
+ * Copyright (c) 2018 Volta Networks, Inc.
+ */
+
+#ifndef _ZEBRA_DPLANE_H
+#define _ZEBRA_DPLANE_H 1
+
+#include "lib/zebra.h"
+#include "lib/prefix.h"
+#include "lib/nexthop.h"
+#include "lib/nexthop_group.h"
+#include "lib/pbr.h"
+#include "lib/vlan.h"
+#include "zebra/zebra_ns.h"
+#include "zebra/rib.h"
+#include "zebra/zserv.h"
+#include "zebra/zebra_mpls.h"
+#include "zebra/zebra_nhg.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Key netlink info from zebra ns */
+struct zebra_dplane_info {
+	ns_id_t ns_id;
+
+#if defined(HAVE_NETLINK)
+	int sock;
+	int seq;
+	bool is_cmd;
+#endif
+};
+
+/* Utility to fill in zns info from main zns struct */
+static inline void
+zebra_dplane_info_from_zns(struct zebra_dplane_info *zns_info,
+			   const struct zebra_ns *zns, bool is_cmd)
+{
+	zns_info->ns_id = zns->ns_id;
+
+#if defined(HAVE_NETLINK)
+	zns_info->is_cmd = is_cmd;
+	if (is_cmd) {
+		zns_info->sock = zns->netlink_cmd.sock;
+		zns_info->seq = zns->netlink_cmd.seq;
+	} else {
+		zns_info->sock = zns->netlink.sock;
+		zns_info->seq = zns->netlink.seq;
+	}
+#endif /* NETLINK */
+}
+
+/*
+ * Notify dplane when namespaces are enabled and disabled. The dplane
+ * needs to start and stop reading incoming events from the ns.
+ */
+void zebra_dplane_ns_enable(struct zebra_ns *zns, bool enabled);
+
+/*
+ * Result codes used when returning status back to the main zebra context.
+ */
+
+/*
+ * Philosophy Note:
+ *
+ * Flags being SET/UNSET do not belong in the South Bound
+ * Interface.  This Setting belongs at the calling level
+ * because we can and will have multiple different interfaces
+ * and we will have potentially multiple different
+ * modules/filters to call.  As such Setting/Unsetting
+ * success failure should be handled by the caller.
+ */
+enum zebra_dplane_status {
+	ZEBRA_DPLANE_STATUS_NONE = 0,
+	ZEBRA_DPLANE_INSTALL_SUCCESS,
+	ZEBRA_DPLANE_INSTALL_FAILURE,
+	ZEBRA_DPLANE_DELETE_SUCCESS,
+	ZEBRA_DPLANE_DELETE_FAILURE,
+
+};
+
+enum zebra_dplane_result {
+	ZEBRA_DPLANE_REQUEST_QUEUED,
+	ZEBRA_DPLANE_REQUEST_SUCCESS,
+	ZEBRA_DPLANE_REQUEST_FAILURE,
+};
+
+enum zebra_dplane_startup_notifications {
+	ZEBRA_DPLANE_INTERFACES_READ,
+	ZEBRA_DPLANE_TUNNELS_READ,
+	ZEBRA_DPLANE_ADDRESSES_READ,
+};
+/*
+ * API between the zebra dataplane system and the main zebra processing
+ * context.
+ */
+
+/*
+ * Operations that the dataplane can process.
+ */
+enum dplane_op_e {
+	DPLANE_OP_NONE = 0,
+
+	/* Route update */
+	DPLANE_OP_ROUTE_INSTALL,
+	DPLANE_OP_ROUTE_UPDATE,
+	DPLANE_OP_ROUTE_DELETE,
+	DPLANE_OP_ROUTE_NOTIFY,
+
+	/* Nexthop update */
+	DPLANE_OP_NH_INSTALL,
+	DPLANE_OP_NH_UPDATE,
+	DPLANE_OP_NH_DELETE,
+
+	/* LSP update */
+	DPLANE_OP_LSP_INSTALL,
+	DPLANE_OP_LSP_UPDATE,
+	DPLANE_OP_LSP_DELETE,
+	DPLANE_OP_LSP_NOTIFY,
+
+	/* Pseudowire update */
+	DPLANE_OP_PW_INSTALL,
+	DPLANE_OP_PW_UNINSTALL,
+
+	/* System route notification */
+	DPLANE_OP_SYS_ROUTE_ADD,
+	DPLANE_OP_SYS_ROUTE_DELETE,
+
+	/* Interface address update */
+	DPLANE_OP_ADDR_INSTALL,
+	DPLANE_OP_ADDR_UNINSTALL,
+
+	/* MAC address update */
+	DPLANE_OP_MAC_INSTALL,
+	DPLANE_OP_MAC_DELETE,
+
+	/* EVPN neighbor updates */
+	DPLANE_OP_NEIGH_INSTALL,
+	DPLANE_OP_NEIGH_UPDATE,
+	DPLANE_OP_NEIGH_DELETE,
+
+	/* EVPN VTEP updates */
+	DPLANE_OP_VTEP_ADD,
+	DPLANE_OP_VTEP_DELETE,
+
+	/* Policy based routing rule update */
+	DPLANE_OP_RULE_ADD,
+	DPLANE_OP_RULE_DELETE,
+	DPLANE_OP_RULE_UPDATE,
+
+	/* Link layer address discovery */
+	DPLANE_OP_NEIGH_DISCOVER,
+
+	/* bridge port update */
+	DPLANE_OP_BR_PORT_UPDATE,
+
+	/* Policy based routing iptable update */
+	DPLANE_OP_IPTABLE_ADD,
+	DPLANE_OP_IPTABLE_DELETE,
+
+	/* Policy based routing ipset update */
+	DPLANE_OP_IPSET_ADD,
+	DPLANE_OP_IPSET_DELETE,
+	DPLANE_OP_IPSET_ENTRY_ADD,
+	DPLANE_OP_IPSET_ENTRY_DELETE,
+
+	/* LINK LAYER IP address update */
+	DPLANE_OP_NEIGH_IP_INSTALL,
+	DPLANE_OP_NEIGH_IP_DELETE,
+
+	DPLANE_OP_NEIGH_TABLE_UPDATE,
+	DPLANE_OP_GRE_SET,
+
+	/* Incoming interface address events */
+	DPLANE_OP_INTF_ADDR_ADD,
+	DPLANE_OP_INTF_ADDR_DEL,
+
+	/* Incoming interface config events */
+	DPLANE_OP_INTF_NETCONFIG,
+
+	/* Interface update */
+	DPLANE_OP_INTF_INSTALL,
+	DPLANE_OP_INTF_UPDATE,
+	DPLANE_OP_INTF_DELETE,
+
+	/* Traffic control */
+	DPLANE_OP_TC_QDISC_INSTALL,
+	DPLANE_OP_TC_QDISC_UNINSTALL,
+	DPLANE_OP_TC_CLASS_ADD,
+	DPLANE_OP_TC_CLASS_DELETE,
+	DPLANE_OP_TC_CLASS_UPDATE,
+	DPLANE_OP_TC_FILTER_ADD,
+	DPLANE_OP_TC_FILTER_DELETE,
+	DPLANE_OP_TC_FILTER_UPDATE,
+
+	/* Startup Control */
+	DPLANE_OP_STARTUP_STAGE,
+};
+
+/*
+ * The vxlan/evpn neighbor management code needs some values to use
+ * when programming neighbor changes. Offer some platform-neutral values
+ * here for use within the dplane apis and plugins.
+ */
+
+/* Neighbor cache flags */
+#define DPLANE_NTF_EXT_LEARNED    0x01
+#define DPLANE_NTF_ROUTER         0x02
+#define DPLANE_NTF_USE            0x04
+
+/* Neighbor cache states */
+#define DPLANE_NUD_REACHABLE      0x01
+#define DPLANE_NUD_STALE          0x02
+#define DPLANE_NUD_NOARP          0x04
+#define DPLANE_NUD_PROBE          0x08
+#define DPLANE_NUD_INCOMPLETE     0x10
+#define DPLANE_NUD_PERMANENT      0x20
+#define DPLANE_NUD_FAILED         0x40
+
+/* MAC update flags - dplane_mac_info.update_flags */
+#define DPLANE_MAC_REMOTE       (1 << 0)
+#define DPLANE_MAC_WAS_STATIC   (1 << 1)
+#define DPLANE_MAC_SET_STATIC   (1 << 2)
+#define DPLANE_MAC_SET_INACTIVE (1 << 3)
+
+/* Neigh update flags - dplane_neigh_info.update_flags */
+#define DPLANE_NEIGH_REMOTE       (1 << 0)
+#define DPLANE_NEIGH_WAS_STATIC   (1 << 1)
+#define DPLANE_NEIGH_SET_STATIC   (1 << 2)
+#define DPLANE_NEIGH_SET_INACTIVE (1 << 3)
+#define DPLANE_NEIGH_NO_EXTENSION (1 << 4)
+
+#define DPLANE_BR_PORT_NON_DF (1 << 0)
+
+/* Definitions for the dplane 'netconf' apis, corresponding to the netlink
+ * NETCONF api.
+ * Sadly, netlink sends incremental updates, so its messages may contain
+ * just a single changed attribute, and not necessarily
+ * a complete snapshot of the attributes.
+ */
+enum dplane_netconf_status_e {
+	DPLANE_NETCONF_STATUS_UNKNOWN = 0,
+	DPLANE_NETCONF_STATUS_ENABLED,
+	DPLANE_NETCONF_STATUS_DISABLED
+};
+
+/* Some special ifindex values that may be part of the dplane netconf api. */
+#define DPLANE_NETCONF_IFINDEX_ALL     -1
+#define DPLANE_NETCONF_IFINDEX_DEFAULT -2
+
+/* Enable system route notifications */
+void dplane_enable_sys_route_notifs(void);
+
+/*
+ * The dataplane context struct is used to exchange info between the main zebra
+ * context and the dataplane module(s). If these are two independent pthreads,
+ * they cannot share existing global data structures safely.
+ */
+
+/* Define a list type for context blocks. The list is exposed/public,
+ * but the internal linkage in the context struct is private, so there
+ * are accessor apis that support enqueue and dequeue.
+ */
+
+PREDECL_DLIST(dplane_ctx_list);
+
+/* Declare a type for (optional) extended interface info objects. */
+PREDECL_DLIST(dplane_intf_extra_list);
+
+/* Allocate a context object */
+struct zebra_dplane_ctx *dplane_ctx_alloc(void);
+
+/*
+ * Reset an allocated context object for re-use. All internal allocations are
+ * freed.
+ */
+void dplane_ctx_reset(struct zebra_dplane_ctx *ctx);
+
+/*
+ * Allow zebra code to walk the queue of pending contexts, evaluate each one
+ * using a callback function. The caller can supply an optional void* arg also.
+ * If the function returns 'true', the context will be dequeued and freed
+ * without being processed.
+ */
+int dplane_clean_ctx_queue(bool (*context_cb)(struct zebra_dplane_ctx *ctx,
+					      void *arg), void *val);
+
+/* Return a dataplane results context block after use; the caller's pointer will
+ * be cleared.
+ */
+void dplane_ctx_fini(struct zebra_dplane_ctx **pctx);
+
+/* Enqueue a context block to caller's tailq. This exists so that the
+ * context struct can remain opaque.
+ */
+void dplane_ctx_enqueue_tail(struct dplane_ctx_list_head *q,
+			     const struct zebra_dplane_ctx *ctx);
+
+/* Append a list of context blocks to another list - again, just keeping
+ * the context struct opaque.
+ */
+void dplane_ctx_list_append(struct dplane_ctx_list_head *to_list,
+			    struct dplane_ctx_list_head *from_list);
+
+/* Dequeue a context block from the head of caller's tailq */
+struct zebra_dplane_ctx *dplane_ctx_dequeue(struct dplane_ctx_list_head *q);
+struct zebra_dplane_ctx *dplane_ctx_get_head(struct dplane_ctx_list_head *q);
+
+/* Init a list of contexts */
+void dplane_ctx_q_init(struct dplane_ctx_list_head *q);
+
+/*
+ * Accessors for information from the context object
+ */
+enum zebra_dplane_result dplane_ctx_get_status(
+	const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_status(struct zebra_dplane_ctx *ctx,
+			   enum zebra_dplane_result status);
+const char *dplane_res2str(enum zebra_dplane_result res);
+
+enum dplane_op_e dplane_ctx_get_op(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_op(struct zebra_dplane_ctx *ctx, enum dplane_op_e op);
+const char *dplane_op2str(enum dplane_op_e op);
+
+const struct prefix *dplane_ctx_get_dest(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_dest(struct zebra_dplane_ctx *ctx,
+			 const struct prefix *dest);
+const char *dplane_ctx_get_ifname(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifname(struct zebra_dplane_ctx *ctx, const char *ifname);
+ifindex_t dplane_ctx_get_ifindex(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifindex(struct zebra_dplane_ctx *ctx, ifindex_t ifindex);
+void dplane_ctx_set_ifp_bond_ifindex(struct zebra_dplane_ctx *ctx,
+				     ifindex_t ifindex);
+ifindex_t dplane_ctx_get_ifp_bond_ifindex(const struct zebra_dplane_ctx *ctx);
+enum zebra_iftype
+dplane_ctx_get_ifp_zif_type(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_zif_type(struct zebra_dplane_ctx *ctx,
+				 enum zebra_iftype zif_type);
+void dplane_ctx_set_ifp_table_id(struct zebra_dplane_ctx *ctx,
+				 uint32_t table_id);
+uint32_t dplane_ctx_get_ifp_table_id(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_hw_addr(struct zebra_dplane_ctx *ctx,
+				int32_t hw_addr_len, uint8_t *hw_addr);
+int32_t dplane_ctx_get_ifp_hw_addr_len(const struct zebra_dplane_ctx *ctx);
+const uint8_t *dplane_ctx_get_ifp_hw_addr(const struct zebra_dplane_ctx *ctx);
+struct zebra_l2info_bridge;
+void dplane_ctx_set_ifp_bridge_info(struct zebra_dplane_ctx *ctx,
+				    struct zebra_l2info_bridge *binfo);
+const struct zebra_l2info_bridge *
+dplane_ctx_get_ifp_bridge_info(const struct zebra_dplane_ctx *ctx);
+struct zebra_l2info_vlan;
+void dplane_ctx_set_ifp_vlan_info(struct zebra_dplane_ctx *ctx,
+				  struct zebra_l2info_vlan *vinfo);
+const struct zebra_l2info_vlan *
+dplane_ctx_get_ifp_vlan_info(const struct zebra_dplane_ctx *ctx);
+struct zebra_l2info_vxlan;
+void dplane_ctx_set_ifp_vxlan_info(struct zebra_dplane_ctx *ctx,
+				   struct zebra_l2info_vxlan *vxinfo);
+const struct zebra_l2info_vxlan *
+dplane_ctx_get_ifp_vxlan_info(const struct zebra_dplane_ctx *ctx);
+struct zebra_l2info_gre;
+void dplane_ctx_set_ifp_gre_info(struct zebra_dplane_ctx *ctx,
+				 struct zebra_l2info_gre *greinfo);
+const struct zebra_l2info_gre *
+dplane_ctx_get_ifp_gre_info(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_zltype(struct zebra_dplane_ctx *ctx,
+			       enum zebra_link_type zlt);
+enum zebra_link_type
+dplane_ctx_get_ifp_zltype(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_link_nsid(struct zebra_dplane_ctx *ctx, ns_id_t ns_id);
+ns_id_t dplane_ctx_get_ifp_link_nsid(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_desc(struct zebra_dplane_ctx *ctx, const char *desc);
+char *dplane_ctx_get_ifp_desc(struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_mtu(struct zebra_dplane_ctx *ctx, uint32_t mtu);
+uint32_t dplane_ctx_get_ifp_mtu(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_vrf_id(struct zebra_dplane_ctx *ctx, vrf_id_t vrf_id);
+vrf_id_t dplane_ctx_get_ifp_vrf_id(const struct zebra_dplane_ctx *ctx);
+enum zebra_slave_iftype;
+void dplane_ctx_set_ifp_zif_slave_type(struct zebra_dplane_ctx *ctx,
+				       enum zebra_slave_iftype zslave_type);
+enum zebra_slave_iftype
+dplane_ctx_get_ifp_zif_slave_type(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_master_ifindex(struct zebra_dplane_ctx *ctx,
+				       ifindex_t master_ifindex);
+ifindex_t dplane_ctx_get_ifp_master_ifindex(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_bridge_ifindex(struct zebra_dplane_ctx *ctx,
+				       ifindex_t bridge_ifindex);
+ifindex_t dplane_ctx_get_ifp_bridge_ifindex(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_bypass(struct zebra_dplane_ctx *ctx, uint8_t bypass);
+uint8_t dplane_ctx_get_ifp_bypass(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_flags(struct zebra_dplane_ctx *ctx, uint64_t flags);
+uint64_t dplane_ctx_get_ifp_flags(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_protodown(struct zebra_dplane_ctx *ctx, bool protodown);
+bool dplane_ctx_get_ifp_protodown(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_startup(struct zebra_dplane_ctx *ctx, bool startup);
+bool dplane_ctx_get_ifp_startup(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_protodown_set(struct zebra_dplane_ctx *ctx, bool set);
+bool dplane_ctx_get_ifp_protodown_set(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_rc_bitfield(struct zebra_dplane_ctx *ctx,
+				    uint32_t rc_bitfield);
+uint32_t dplane_ctx_get_ifp_rc_bitfield(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_link_ifindex(struct zebra_dplane_ctx *ctx,
+				     ifindex_t link_ifindex);
+ifindex_t dplane_ctx_get_ifp_link_ifindex(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_family(struct zebra_dplane_ctx *ctx, uint8_t family);
+uint8_t dplane_ctx_get_ifp_family(const struct zebra_dplane_ctx *ctx);
+struct zebra_vxlan_vni_array;
+void dplane_ctx_set_ifp_vxlan_vni_array(struct zebra_dplane_ctx *ctx,
+					struct zebra_vxlan_vni_array *vniarray);
+
+/*
+ * These defines mirror the values for bridge values in linux
+ * at this point since we only have a linux implementation
+ * we don't need to do any type of translation.  Let's just
+ * pass these through and use them
+ */
+#define DPLANE_BRIDGE_VLAN_INFO_PVID                                           \
+	(1 << 1) /* VLAN is PVID, ingress untagged */
+#define DPLANE_BRIDGE_VLAN_INFO_RANGE_BEGIN                                    \
+	(1 << 3) /* VLAN is start of vlan range */
+#define DPLANE_BRIDGE_VLAN_INFO_RANGE_END                                      \
+	(1 << 4) /* VLAN is end of vlan range */
+const struct zebra_vxlan_vni_array *
+dplane_ctx_get_ifp_vxlan_vni_array(const struct zebra_dplane_ctx *ctx);
+struct zebra_dplane_bridge_vlan_info {
+	uint16_t flags;
+	uint16_t vid;
+};
+void dplane_ctx_set_ifp_no_afspec(struct zebra_dplane_ctx *ctx);
+bool dplane_ctx_get_ifp_no_afspec(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_no_bridge_vlan_info(struct zebra_dplane_ctx *ctx);
+bool dplane_ctx_get_ifp_no_bridge_vlan_info(struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_ifp_bridge_vlan_info(
+	struct zebra_dplane_ctx *ctx,
+	struct zebra_dplane_bridge_vlan_info *bvinfo);
+const struct zebra_dplane_bridge_vlan_info *
+dplane_ctx_get_ifp_bridge_vlan_info(const struct zebra_dplane_ctx *ctx);
+
+struct zebra_dplane_bridge_vlan_info_array {
+	int count;
+	struct zebra_dplane_bridge_vlan_info array[0];
+};
+void dplane_ctx_set_ifp_bridge_vlan_info_array(
+	struct zebra_dplane_ctx *ctx,
+	struct zebra_dplane_bridge_vlan_info_array *bvarray);
+const struct zebra_dplane_bridge_vlan_info_array *
+dplane_ctx_get_ifp_bridge_vlan_info_array(const struct zebra_dplane_ctx *ctx);
+
+/* Retrieve last/current provider id */
+uint32_t dplane_ctx_get_provider(const struct zebra_dplane_ctx *ctx);
+
+/* Providers running before the kernel can control whether a kernel
+ * update should be done.
+ */
+void dplane_ctx_set_skip_kernel(struct zebra_dplane_ctx *ctx);
+bool dplane_ctx_is_skip_kernel(const struct zebra_dplane_ctx *ctx);
+
+/* Source prefix is a little special - use convention to return NULL
+ * to mean "no src prefix"
+ */
+const struct prefix *dplane_ctx_get_src(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_src(struct zebra_dplane_ctx *ctx, const struct prefix *src);
+
+bool dplane_ctx_is_update(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_get_seq(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_get_old_seq(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_vrf(struct zebra_dplane_ctx *ctx, vrf_id_t vrf);
+vrf_id_t dplane_ctx_get_vrf(const struct zebra_dplane_ctx *ctx);
+
+/* In some paths we have only a namespace id */
+void dplane_ctx_set_ns_id(struct zebra_dplane_ctx *ctx, ns_id_t nsid);
+ns_id_t dplane_ctx_get_ns_id(const struct zebra_dplane_ctx *ctx);
+
+bool dplane_ctx_is_from_notif(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_notif_provider(struct zebra_dplane_ctx *ctx,
+				   uint32_t id);
+uint32_t dplane_ctx_get_notif_provider(const struct zebra_dplane_ctx *ctx);
+
+/* Accessors for route update information */
+void dplane_ctx_set_type(struct zebra_dplane_ctx *ctx, int type);
+int dplane_ctx_get_type(const struct zebra_dplane_ctx *ctx);
+int dplane_ctx_get_old_type(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_afi(struct zebra_dplane_ctx *ctx, afi_t afi);
+afi_t dplane_ctx_get_afi(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_safi(struct zebra_dplane_ctx *ctx, safi_t safi);
+safi_t dplane_ctx_get_safi(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_table(struct zebra_dplane_ctx *ctx, uint32_t table);
+uint32_t dplane_ctx_get_table(const struct zebra_dplane_ctx *ctx);
+route_tag_t dplane_ctx_get_tag(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_tag(struct zebra_dplane_ctx *ctx, route_tag_t tag);
+route_tag_t dplane_ctx_get_old_tag(const struct zebra_dplane_ctx *ctx);
+uint16_t dplane_ctx_get_instance(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_instance(struct zebra_dplane_ctx *ctx, uint16_t instance);
+uint16_t dplane_ctx_get_old_instance(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_get_flags(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_flags(struct zebra_dplane_ctx *ctx, uint32_t flags);
+uint32_t dplane_ctx_get_metric(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_get_old_metric(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_get_mtu(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_get_nh_mtu(const struct zebra_dplane_ctx *ctx);
+uint8_t dplane_ctx_get_distance(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_distance(struct zebra_dplane_ctx *ctx, uint8_t distance);
+uint8_t dplane_ctx_get_old_distance(const struct zebra_dplane_ctx *ctx);
+
+/* Accessors for traffic control context */
+int dplane_ctx_tc_qdisc_get_kind(const struct zebra_dplane_ctx *ctx);
+const char *
+dplane_ctx_tc_qdisc_get_kind_str(const struct zebra_dplane_ctx *ctx);
+
+uint32_t dplane_ctx_tc_class_get_handle(const struct zebra_dplane_ctx *ctx);
+int dplane_ctx_tc_class_get_kind(const struct zebra_dplane_ctx *ctx);
+const char *
+dplane_ctx_tc_class_get_kind_str(const struct zebra_dplane_ctx *ctx);
+uint64_t dplane_ctx_tc_class_get_rate(const struct zebra_dplane_ctx *ctx);
+uint64_t dplane_ctx_tc_class_get_ceil(const struct zebra_dplane_ctx *ctx);
+
+int dplane_ctx_tc_filter_get_kind(const struct zebra_dplane_ctx *ctx);
+const char *
+dplane_ctx_tc_filter_get_kind_str(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_tc_filter_get_priority(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_tc_filter_get_handle(const struct zebra_dplane_ctx *ctx);
+uint16_t dplane_ctx_tc_filter_get_minor(const struct zebra_dplane_ctx *ctx);
+uint16_t dplane_ctx_tc_filter_get_eth_proto(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_tc_filter_get_filter_bm(const struct zebra_dplane_ctx *ctx);
+const struct prefix *
+dplane_ctx_tc_filter_get_src_ip(const struct zebra_dplane_ctx *ctx);
+uint16_t
+dplane_ctx_tc_filter_get_src_port_min(const struct zebra_dplane_ctx *ctx);
+uint16_t
+dplane_ctx_tc_filter_get_src_port_max(const struct zebra_dplane_ctx *ctx);
+const struct prefix *
+dplane_ctx_tc_filter_get_dst_ip(const struct zebra_dplane_ctx *ctx);
+uint16_t
+dplane_ctx_tc_filter_get_dst_port_min(const struct zebra_dplane_ctx *ctx);
+uint16_t
+dplane_ctx_tc_filter_get_dst_port_max(const struct zebra_dplane_ctx *ctx);
+uint8_t dplane_ctx_tc_filter_get_ip_proto(const struct zebra_dplane_ctx *ctx);
+uint8_t dplane_ctx_tc_filter_get_dsfield(const struct zebra_dplane_ctx *ctx);
+uint8_t
+dplane_ctx_tc_filter_get_dsfield_mask(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_tc_filter_get_classid(const struct zebra_dplane_ctx *ctx);
+
+void dplane_ctx_set_nexthops(struct zebra_dplane_ctx *ctx, struct nexthop *nh);
+void dplane_ctx_set_backup_nhg(struct zebra_dplane_ctx *ctx,
+			       const struct nexthop_group *nhg);
+
+uint32_t dplane_ctx_get_nhg_id(const struct zebra_dplane_ctx *ctx);
+const struct nexthop_group *dplane_ctx_get_ng(
+	const struct zebra_dplane_ctx *ctx);
+const struct nexthop_group *dplane_ctx_get_old_ng(
+	const struct zebra_dplane_ctx *ctx);
+
+/* Optional extra info about interfaces in nexthops - a plugin must enable
+ * this extra info.
+ */
+const struct dplane_intf_extra *
+dplane_ctx_get_intf_extra(const struct zebra_dplane_ctx *ctx);
+
+const struct dplane_intf_extra *
+dplane_ctx_intf_extra_next(const struct zebra_dplane_ctx *ctx,
+			   const struct dplane_intf_extra *ptr);
+
+vrf_id_t dplane_intf_extra_get_vrfid(const struct dplane_intf_extra *ptr);
+uint32_t dplane_intf_extra_get_ifindex(const struct dplane_intf_extra *ptr);
+uint32_t dplane_intf_extra_get_flags(const struct dplane_intf_extra *ptr);
+uint32_t dplane_intf_extra_get_status(const struct dplane_intf_extra *ptr);
+
+/* Backup nexthop information (list of nexthops) if present. */
+const struct nexthop_group *
+dplane_ctx_get_backup_ng(const struct zebra_dplane_ctx *ctx);
+const struct nexthop_group *
+dplane_ctx_get_old_backup_ng(const struct zebra_dplane_ctx *ctx);
+
+/* Accessors for nexthop information */
+uint32_t dplane_ctx_get_nhe_id(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_get_old_nhe_id(const struct zebra_dplane_ctx *ctx);
+afi_t dplane_ctx_get_nhe_afi(const struct zebra_dplane_ctx *ctx);
+vrf_id_t dplane_ctx_get_nhe_vrf_id(const struct zebra_dplane_ctx *ctx);
+int dplane_ctx_get_nhe_type(const struct zebra_dplane_ctx *ctx);
+const struct nexthop_group *
+dplane_ctx_get_nhe_ng(const struct zebra_dplane_ctx *ctx);
+const struct nh_grp *
+dplane_ctx_get_nhe_nh_grp(const struct zebra_dplane_ctx *ctx);
+uint8_t dplane_ctx_get_nhe_nh_grp_count(const struct zebra_dplane_ctx *ctx);
+
+/* Accessors for LSP information */
+
+/* Init the internal LSP data struct - necessary before adding to it.
+ * If 'lsp' is non-NULL, info will be copied from it to the internal
+ * context data area.
+ */
+int dplane_ctx_lsp_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
+			struct zebra_lsp *lsp);
+
+mpls_label_t dplane_ctx_get_in_label(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_in_label(struct zebra_dplane_ctx *ctx,
+			     mpls_label_t label);
+uint8_t dplane_ctx_get_addr_family(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_addr_family(struct zebra_dplane_ctx *ctx,
+				uint8_t family);
+uint32_t dplane_ctx_get_lsp_flags(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_lsp_flags(struct zebra_dplane_ctx *ctx,
+			      uint32_t flags);
+const struct nhlfe_list_head *dplane_ctx_get_nhlfe_list(
+	const struct zebra_dplane_ctx *ctx);
+const struct nhlfe_list_head *dplane_ctx_get_backup_nhlfe_list(
+	const struct zebra_dplane_ctx *ctx);
+
+struct zebra_nhlfe *dplane_ctx_add_nhlfe(struct zebra_dplane_ctx *ctx,
+					 enum lsp_types_t lsp_type,
+					 enum nexthop_types_t nh_type,
+					 const union g_addr *gate,
+					 ifindex_t ifindex, uint8_t num_labels,
+					 mpls_label_t *out_labels);
+
+struct zebra_nhlfe *dplane_ctx_add_backup_nhlfe(
+	struct zebra_dplane_ctx *ctx, enum lsp_types_t lsp_type,
+	enum nexthop_types_t nh_type, const union g_addr *gate,
+	ifindex_t ifindex, uint8_t num_labels, mpls_label_t *out_labels);
+
+const struct zebra_nhlfe *
+dplane_ctx_get_best_nhlfe(const struct zebra_dplane_ctx *ctx);
+const struct zebra_nhlfe *
+dplane_ctx_set_best_nhlfe(struct zebra_dplane_ctx *ctx,
+			  struct zebra_nhlfe *nhlfe);
+uint32_t dplane_ctx_get_lsp_num_ecmp(const struct zebra_dplane_ctx *ctx);
+
+/* Accessors for pseudowire information */
+mpls_label_t dplane_ctx_get_pw_local_label(const struct zebra_dplane_ctx *ctx);
+mpls_label_t dplane_ctx_get_pw_remote_label(const struct zebra_dplane_ctx *ctx);
+int dplane_ctx_get_pw_type(const struct zebra_dplane_ctx *ctx);
+int dplane_ctx_get_pw_af(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_get_pw_flags(const struct zebra_dplane_ctx *ctx);
+int dplane_ctx_get_pw_status(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_pw_status(struct zebra_dplane_ctx *ctx, int status);
+const union g_addr *dplane_ctx_get_pw_dest(
+	const struct zebra_dplane_ctx *ctx);
+const union pw_protocol_fields *dplane_ctx_get_pw_proto(
+	const struct zebra_dplane_ctx *ctx);
+const struct nexthop_group *dplane_ctx_get_pw_nhg(
+	const struct zebra_dplane_ctx *ctx);
+const struct nexthop_group *
+dplane_ctx_get_pw_primary_nhg(const struct zebra_dplane_ctx *ctx);
+const struct nexthop_group *
+dplane_ctx_get_pw_backup_nhg(const struct zebra_dplane_ctx *ctx);
+
+/* Accessors for interface information */
+uint32_t dplane_ctx_get_intf_metric(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_intf_metric(struct zebra_dplane_ctx *ctx, uint32_t metric);
+uint32_t dplane_ctx_get_intf_pd_reason_val(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_intf_pd_reason_val(struct zebra_dplane_ctx *ctx, bool val);
+bool dplane_ctx_intf_is_protodown(const struct zebra_dplane_ctx *ctx);
+/* Is interface addr p2p? */
+bool dplane_ctx_intf_is_connected(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_intf_set_connected(struct zebra_dplane_ctx *ctx);
+bool dplane_ctx_intf_is_secondary(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_intf_set_secondary(struct zebra_dplane_ctx *ctx);
+bool dplane_ctx_intf_is_broadcast(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_intf_set_broadcast(struct zebra_dplane_ctx *ctx);
+const struct prefix *dplane_ctx_get_intf_addr(
+	const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_intf_addr(struct zebra_dplane_ctx *ctx,
+			      const struct prefix *p);
+bool dplane_ctx_intf_has_dest(const struct zebra_dplane_ctx *ctx);
+const struct prefix *dplane_ctx_get_intf_dest(
+	const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_intf_dest(struct zebra_dplane_ctx *ctx,
+			      const struct prefix *p);
+bool dplane_ctx_intf_has_label(const struct zebra_dplane_ctx *ctx);
+const char *dplane_ctx_get_intf_label(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_set_intf_label(struct zebra_dplane_ctx *ctx, const char *label);
+void dplane_ctx_set_intf_txqlen(struct zebra_dplane_ctx *ctx, uint32_t txqlen);
+uint32_t dplane_ctx_get_intf_txqlen(const struct zebra_dplane_ctx *ctx);
+
+/* Accessors for MAC information */
+vlanid_t dplane_ctx_mac_get_vlan(const struct zebra_dplane_ctx *ctx);
+bool dplane_ctx_mac_is_sticky(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_mac_get_update_flags(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_mac_get_nhg_id(const struct zebra_dplane_ctx *ctx);
+const struct ethaddr *dplane_ctx_mac_get_addr(
+	const struct zebra_dplane_ctx *ctx);
+vni_t dplane_ctx_mac_get_vni(const struct zebra_dplane_ctx *ctx);
+const struct in_addr *dplane_ctx_mac_get_vtep_ip(
+	const struct zebra_dplane_ctx *ctx);
+ifindex_t dplane_ctx_mac_get_br_ifindex(const struct zebra_dplane_ctx *ctx);
+
+/* Accessors for neighbor information */
+const struct ipaddr *dplane_ctx_neigh_get_ipaddr(
+	const struct zebra_dplane_ctx *ctx);
+const struct ethaddr *dplane_ctx_neigh_get_mac(
+	const struct zebra_dplane_ctx *ctx);
+vni_t dplane_ctx_neigh_get_vni(const struct zebra_dplane_ctx *ctx);
+const struct ipaddr *
+dplane_ctx_neigh_get_link_ip(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_neigh_get_flags(const struct zebra_dplane_ctx *ctx);
+uint16_t dplane_ctx_neigh_get_state(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_neigh_get_update_flags(const struct zebra_dplane_ctx *ctx);
+
+/* Accessors for policy based routing rule information */
+void dplane_ctx_rule_get(const struct zebra_dplane_ctx *ctx,
+	struct pbr_rule *pNew, struct pbr_rule *pOld);
+int dplane_ctx_rule_get_sock(const struct zebra_dplane_ctx *ctx);
+int dplane_ctx_rule_get_unique(const struct zebra_dplane_ctx *ctx);
+int dplane_ctx_rule_get_seq(const struct zebra_dplane_ctx *ctx);
+const char *dplane_ctx_rule_get_ifname(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_rule_get_priority(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_rule_get_old_priority(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_rule_get_table(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_rule_get_old_table(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_rule_get_filter_bm(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_rule_get_old_filter_bm(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_rule_get_fwmark(const struct zebra_dplane_ctx *ctx);
+uint32_t dplane_ctx_rule_get_old_fwmark(const struct zebra_dplane_ctx *ctx);
+uint8_t dplane_ctx_rule_get_dsfield(const struct zebra_dplane_ctx *ctx);
+uint8_t dplane_ctx_rule_get_old_dsfield(const struct zebra_dplane_ctx *ctx);
+uint8_t dplane_ctx_rule_get_ipproto(const struct zebra_dplane_ctx *ctx);
+uint8_t dplane_ctx_rule_get_old_ipproto(const struct zebra_dplane_ctx *ctx);
+uint16_t dplane_ctx_rule_get_src_port(const struct zebra_dplane_ctx *ctx);
+uint16_t dplane_ctx_rule_get_old_src_port(const struct zebra_dplane_ctx *ctx);
+uint16_t dplane_ctx_rule_get_dst_port(const struct zebra_dplane_ctx *ctx);
+uint16_t dplane_ctx_rule_get_old_dst_port(const struct zebra_dplane_ctx *ctx);
+const struct prefix *
+dplane_ctx_rule_get_src_ip(const struct zebra_dplane_ctx *ctx);
+const struct prefix *
+dplane_ctx_rule_get_old_src_ip(const struct zebra_dplane_ctx *ctx);
+const struct prefix *
+dplane_ctx_rule_get_dst_ip(const struct zebra_dplane_ctx *ctx);
+const struct prefix *
+dplane_ctx_rule_get_old_dst_ip(const struct zebra_dplane_ctx *ctx);
+const struct ethaddr *
+dplane_ctx_rule_get_smac(const struct zebra_dplane_ctx *ctx);
+const struct ethaddr *
+dplane_ctx_rule_get_dmac(const struct zebra_dplane_ctx *ctx);
+int dplane_ctx_rule_get_out_ifindex(const struct zebra_dplane_ctx *ctx);
+intptr_t dplane_ctx_rule_get_dp_flow_ptr(const struct zebra_dplane_ctx *ctx);
+intptr_t
+dplane_ctx_rule_get_old_dp_flow_ptr(const struct zebra_dplane_ctx *ctx);
+void dplane_ctx_rule_set_dp_flow_ptr(struct zebra_dplane_ctx *ctx,
+				     intptr_t dp_flow_ptr);
+vrf_id_t dplane_ctx_rule_get_vrfid(const struct zebra_dplane_ctx *ctx);
+
+/* Accessors for policy based routing iptable information */
+struct zebra_pbr_iptable;
+void dplane_ctx_get_pbr_iptable(const struct zebra_dplane_ctx *ctx,
+				struct zebra_pbr_iptable *table);
+struct zebra_pbr_ipset;
+void dplane_ctx_get_pbr_ipset(const struct zebra_dplane_ctx *ctx,
+			      struct zebra_pbr_ipset *ipset);
+struct zebra_pbr_ipset_entry;
+void dplane_ctx_get_pbr_ipset_entry(const struct zebra_dplane_ctx *ctx,
+				    struct zebra_pbr_ipset_entry *entry);
+/* Accessors for bridge port information */
+uint32_t dplane_ctx_get_br_port_flags(const struct zebra_dplane_ctx *ctx);
+uint32_t
+dplane_ctx_get_br_port_sph_filter_cnt(const struct zebra_dplane_ctx *ctx);
+const struct in_addr *
+dplane_ctx_get_br_port_sph_filters(const struct zebra_dplane_ctx *ctx);
+uint32_t
+dplane_ctx_get_br_port_backup_nhg_id(const struct zebra_dplane_ctx *ctx);
+
+/* Accessors for neighbor table information */
+uint8_t dplane_ctx_neightable_get_family(const struct zebra_dplane_ctx *ctx);
+uint32_t
+dplane_ctx_neightable_get_app_probes(const struct zebra_dplane_ctx *ctx);
+uint32_t
+dplane_ctx_neightable_get_mcast_probes(const struct zebra_dplane_ctx *ctx);
+uint32_t
+dplane_ctx_neightable_get_ucast_probes(const struct zebra_dplane_ctx *ctx);
+
+/* Accessor for GRE set */
+uint32_t
+dplane_ctx_gre_get_link_ifindex(const struct zebra_dplane_ctx *ctx);
+unsigned int
+dplane_ctx_gre_get_mtu(const struct zebra_dplane_ctx *ctx);
+const struct zebra_l2info_gre *
+dplane_ctx_gre_get_info(const struct zebra_dplane_ctx *ctx);
+
+/* Interface netconf info */
+enum dplane_netconf_status_e
+dplane_ctx_get_netconf_mpls(const struct zebra_dplane_ctx *ctx);
+enum dplane_netconf_status_e
+dplane_ctx_get_netconf_mcast(const struct zebra_dplane_ctx *ctx);
+enum dplane_netconf_status_e
+dplane_ctx_get_netconf_linkdown(const struct zebra_dplane_ctx *ctx);
+
+void dplane_ctx_set_netconf_mpls(struct zebra_dplane_ctx *ctx,
+				 enum dplane_netconf_status_e val);
+void dplane_ctx_set_netconf_mcast(struct zebra_dplane_ctx *ctx,
+				  enum dplane_netconf_status_e val);
+void dplane_ctx_set_netconf_linkdown(struct zebra_dplane_ctx *ctx,
+				     enum dplane_netconf_status_e val);
+
+/* Namespace fd info - esp. for netlink communication */
+const struct zebra_dplane_info *dplane_ctx_get_ns(
+	const struct zebra_dplane_ctx *ctx);
+int dplane_ctx_get_ns_sock(const struct zebra_dplane_ctx *ctx);
+
+/* Indicates zebra shutdown/exit is in progress. Some operations may be
+ * simplified or skipped during shutdown processing.
+ */
+bool dplane_is_in_shutdown(void);
+
+/*
+ * Enqueue route change operations for the dataplane.
+ */
+enum zebra_dplane_result dplane_route_add(struct route_node *rn,
+					  struct route_entry *re);
+
+enum zebra_dplane_result dplane_route_update(struct route_node *rn,
+					     struct route_entry *re,
+					     struct route_entry *old_re);
+
+enum zebra_dplane_result dplane_route_delete(struct route_node *rn,
+					     struct route_entry *re);
+
+/* Notify the dplane when system/connected routes change */
+enum zebra_dplane_result dplane_sys_route_add(struct route_node *rn,
+					      struct route_entry *re);
+enum zebra_dplane_result dplane_sys_route_del(struct route_node *rn,
+					      struct route_entry *re);
+
+/* Update from an async notification, to bring other fibs up-to-date */
+enum zebra_dplane_result dplane_route_notif_update(
+	struct route_node *rn,
+	struct route_entry *re,
+	enum dplane_op_e op,
+	struct zebra_dplane_ctx *ctx);
+
+/*
+ * Enqueue bridge port changes for the dataplane.
+ */
+enum zebra_dplane_result dplane_br_port_update(
+	const struct interface *ifp, bool non_df, uint32_t sph_filter_cnt,
+	const struct in_addr *sph_filters, uint32_t backup_nhg_id);
+
+/* Forward ref of nhg_hash_entry */
+struct nhg_hash_entry;
+/*
+ * Enqueue a nexthop change operation for the dataplane.
+ */
+enum zebra_dplane_result dplane_nexthop_add(struct nhg_hash_entry *nhe);
+enum zebra_dplane_result dplane_nexthop_update(struct nhg_hash_entry *nhe);
+enum zebra_dplane_result dplane_nexthop_delete(struct nhg_hash_entry *nhe);
+
+/*
+ * Enqueue LSP change operations for the dataplane.
+ */
+enum zebra_dplane_result dplane_lsp_add(struct zebra_lsp *lsp);
+enum zebra_dplane_result dplane_lsp_update(struct zebra_lsp *lsp);
+enum zebra_dplane_result dplane_lsp_delete(struct zebra_lsp *lsp);
+
+/* Update or un-install resulting from an async notification */
+enum zebra_dplane_result dplane_lsp_notif_update(struct zebra_lsp *lsp,
+						 enum dplane_op_e op,
+						 struct zebra_dplane_ctx *ctx);
+
+/*
+ * Enqueue pseudowire operations for the dataplane.
+ */
+enum zebra_dplane_result dplane_pw_install(struct zebra_pw *pw);
+enum zebra_dplane_result dplane_pw_uninstall(struct zebra_pw *pw);
+
+enum zebra_dplane_result
+dplane_intf_mpls_modify_state(const struct interface *ifp, const bool set);
+/*
+ * Enqueue interface address changes for the dataplane.
+ */
+enum zebra_dplane_result dplane_intf_addr_set(const struct interface *ifp,
+					      const struct connected *ifc);
+enum zebra_dplane_result dplane_intf_addr_unset(const struct interface *ifp,
+						const struct connected *ifc);
+
+/*
+ * Enqueue interface link changes for the dataplane.
+ */
+enum zebra_dplane_result dplane_intf_add(const struct interface *ifp);
+enum zebra_dplane_result dplane_intf_update(const struct interface *ifp);
+
+/*
+ * Enqueue tc link changes for the dataplane.
+ */
+
+struct zebra_tc_qdisc;
+struct zebra_tc_class;
+struct zebra_tc_filter;
+enum zebra_dplane_result dplane_tc_qdisc_install(struct zebra_tc_qdisc *qdisc);
+enum zebra_dplane_result
+dplane_tc_qdisc_uninstall(struct zebra_tc_qdisc *qdisc);
+enum zebra_dplane_result dplane_tc_class_add(struct zebra_tc_class *class);
+enum zebra_dplane_result dplane_tc_class_delete(struct zebra_tc_class *class);
+enum zebra_dplane_result dplane_tc_class_update(struct zebra_tc_class *class);
+enum zebra_dplane_result dplane_tc_filter_add(struct zebra_tc_filter *filter);
+enum zebra_dplane_result
+dplane_tc_filter_delete(struct zebra_tc_filter *filter);
+enum zebra_dplane_result
+dplane_tc_filter_update(struct zebra_tc_filter *filter);
+
+/*
+ * Link layer operations for the dataplane.
+ */
+enum zebra_dplane_result dplane_neigh_ip_update(enum dplane_op_e op,
+						const struct interface *ifp,
+						struct ipaddr *link_ip,
+						struct ipaddr *ip,
+						uint32_t ndm_state,
+						int protocol);
+
+/*
+ * Enqueue evpn mac operations for the dataplane.
+ */
+enum zebra_dplane_result
+dplane_rem_mac_add(const struct interface *ifp,
+		   const struct interface *bridge_ifp, vlanid_t vid,
+		   const struct ethaddr *mac, vni_t vni, struct in_addr vtep_ip,
+		   bool sticky, uint32_t nhg_id, bool was_static);
+
+enum zebra_dplane_result dplane_local_mac_add(const struct interface *ifp,
+					const struct interface *bridge_ifp,
+					vlanid_t vid,
+					const struct ethaddr *mac,
+					bool sticky,
+					uint32_t set_static,
+					uint32_t set_inactive);
+
+enum zebra_dplane_result
+dplane_local_mac_del(const struct interface *ifp,
+		     const struct interface *bridge_ifp, vlanid_t vid,
+		     const struct ethaddr *mac);
+
+enum zebra_dplane_result dplane_rem_mac_del(const struct interface *ifp,
+					    const struct interface *bridge_ifp,
+					    vlanid_t vid,
+					    const struct ethaddr *mac,
+					    vni_t vni, struct in_addr vtep_ip);
+
+/* Helper api to init an empty or new context for a MAC update */
+void dplane_mac_init(struct zebra_dplane_ctx *ctx, const struct interface *ifp,
+		     const struct interface *br_ifp, vlanid_t vid,
+		     const struct ethaddr *mac, vni_t vni,
+		     struct in_addr vtep_ip, bool sticky, uint32_t nhg_id,
+		     uint32_t update_flags);
+
+/*
+ * Enqueue evpn neighbor updates for the dataplane.
+ */
+enum zebra_dplane_result dplane_rem_neigh_add(const struct interface *ifp,
+					  const struct ipaddr *ip,
+					  const struct ethaddr *mac,
+					  uint32_t flags, bool was_static);
+enum zebra_dplane_result dplane_local_neigh_add(const struct interface *ifp,
+					  const struct ipaddr *ip,
+					  const struct ethaddr *mac,
+					  bool set_router, bool set_static,
+					  bool set_inactive);
+enum zebra_dplane_result dplane_rem_neigh_delete(const struct interface *ifp,
+					     const struct ipaddr *ip);
+
+/*
+ * Enqueue evpn VTEP updates for the dataplane.
+ */
+enum zebra_dplane_result dplane_vtep_add(const struct interface *ifp,
+					 const struct in_addr *ip,
+					 vni_t vni);
+enum zebra_dplane_result dplane_vtep_delete(const struct interface *ifp,
+					    const struct in_addr *ip,
+					    vni_t vni);
+
+/*
+ * Enqueue a neighbour discovery request for the dataplane.
+ */
+enum zebra_dplane_result dplane_neigh_discover(const struct interface *ifp,
+					       const struct ipaddr *ip);
+
+/*
+ * Enqueue a neighbor table parameter set
+ */
+enum zebra_dplane_result dplane_neigh_table_update(const struct interface *ifp,
+						   const uint8_t family,
+						   const uint32_t app_probes,
+						   const uint32_t ucast_probes,
+						   const uint32_t mcast_probes);
+
+/*
+ * Enqueue a GRE set
+ */
+enum zebra_dplane_result
+dplane_gre_set(struct interface *ifp, struct interface *ifp_link,
+	       unsigned int mtu, const struct zebra_l2info_gre *gre_info);
+
+/* Forward ref of zebra_pbr_rule */
+struct zebra_pbr_rule;
+
+/*
+ * Enqueue policy based routing rule for the dataplane.
+ * It is possible that the user-defined sequence number and the one in the
+ * forwarding plane may not coincide, hence the API requires a separate
+ * rule priority - maps to preference/FRA_PRIORITY on Linux.
+ */
+enum zebra_dplane_result dplane_pbr_rule_add(struct zebra_pbr_rule *rule);
+enum zebra_dplane_result dplane_pbr_rule_delete(struct zebra_pbr_rule *rule);
+enum zebra_dplane_result
+dplane_pbr_rule_update(struct zebra_pbr_rule *old_rule,
+		       struct zebra_pbr_rule *new_rule);
+/* iptable */
+enum zebra_dplane_result
+dplane_pbr_iptable_add(struct zebra_pbr_iptable *iptable);
+enum zebra_dplane_result
+dplane_pbr_iptable_delete(struct zebra_pbr_iptable *iptable);
+
+/* ipset */
+struct zebra_pbr_ipset;
+enum zebra_dplane_result dplane_pbr_ipset_add(struct zebra_pbr_ipset *ipset);
+enum zebra_dplane_result dplane_pbr_ipset_delete(struct zebra_pbr_ipset *ipset);
+
+/* ipset entry */
+struct zebra_pbr_ipset_entry;
+enum zebra_dplane_result
+dplane_pbr_ipset_entry_add(struct zebra_pbr_ipset_entry *ipset);
+enum zebra_dplane_result
+dplane_pbr_ipset_entry_delete(struct zebra_pbr_ipset_entry *ipset);
+
+/* Encode route information into data plane context. */
+int dplane_ctx_route_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
+			  struct route_node *rn, struct route_entry *re);
+
+int dplane_ctx_route_init_basic(struct zebra_dplane_ctx *ctx,
+				enum dplane_op_e op, struct route_entry *re,
+				const struct prefix *p,
+				const struct prefix_ipv6 *src_p, afi_t afi,
+				safi_t safi);
+
+/* Encode next hop information into data plane context. */
+int dplane_ctx_nexthop_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
+			    struct nhg_hash_entry *nhe);
+
+/* Encode interface information into data plane context. */
+int dplane_ctx_intf_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
+			 const struct interface *ifp);
+
+/* Encode traffic control information into data plane context. */
+int dplane_ctx_tc_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op);
+
+/* Retrieve the limit on the number of pending, unprocessed updates. */
+uint32_t dplane_get_in_queue_limit(void);
+
+/* Configure limit on the number of pending, queued updates. If 'unset', reset
+ * to default value.
+ */
+void dplane_set_in_queue_limit(uint32_t limit, bool set);
+
+/* Retrieve the current queue depth of incoming, unprocessed updates */
+uint32_t dplane_get_in_queue_len(void);
+
+/*
+ * Vty/cli apis
+ */
+int dplane_show_helper(struct vty *vty, bool detailed);
+int dplane_show_provs_helper(struct vty *vty, bool detailed);
+int dplane_config_write_helper(struct vty *vty);
+
+/*
+ * Dataplane providers: modules that process or consume dataplane events.
+ */
+
+struct zebra_dplane_provider;
+
+/* Support string name for a dataplane provider */
+#define DPLANE_PROVIDER_NAMELEN 64
+
+/* Priority or ordering values for providers. The idea is that there may be
+ * some pre-processing, followed by an external or remote dataplane,
+ * followed by the kernel, followed by some post-processing step (such as
+ * the fpm output stream.)
+ */
+enum dplane_provider_prio {
+	DPLANE_PRIO_NONE = 0,
+	DPLANE_PRIO_PREPROCESS,
+	DPLANE_PRIO_PRE_KERNEL,
+	DPLANE_PRIO_KERNEL,
+	DPLANE_PRIO_POSTPROCESS,
+	DPLANE_PRIO_LAST
+};
+
+/* Flags values used during provider registration. */
+#define DPLANE_PROV_FLAGS_DEFAULT  0x0
+
+/* Provider will be spawning its own worker thread */
+#define DPLANE_PROV_FLAG_THREADED  0x1
+
+/* Provider registration: ordering or priority value, callbacks, and optional
+ * opaque data value. If 'prov_p', return the newly-allocated provider object
+ * on success.
+ */
+
+/* Providers offer an entry-point for incoming work, called in the context of
+ * the dataplane pthread. The dataplane pthread enqueues any new work to the
+ * provider's 'inbound' queue, then calls the callback. The dataplane
+ * then checks the provider's outbound queue for completed work.
+ */
+
+/*
+ * Providers can offer a 'start' callback; if present, the dataplane will
+ * call it when it is starting - when its pthread and event-scheduling
+ * thread_master are available.
+ */
+
+/* Providers can offer an entry-point for shutdown and cleanup. This is called
+ * with 'early' during shutdown, to indicate that the dataplane subsystem
+ * is allowing work to move through the providers and finish.
+ * When called without 'early', the provider should release
+ * all resources (if it has any allocated).
+ */
+int dplane_provider_register(const char *name,
+			     enum dplane_provider_prio prio,
+			     int flags,
+			     int (*start_fp)(struct zebra_dplane_provider *),
+			     int (*fp)(struct zebra_dplane_provider *),
+			     int (*fini_fp)(struct zebra_dplane_provider *,
+					    bool early),
+			     void *data,
+			     struct zebra_dplane_provider **prov_p);
+
+/* Accessors for provider attributes */
+const char *dplane_provider_get_name(const struct zebra_dplane_provider *prov);
+uint32_t dplane_provider_get_id(const struct zebra_dplane_provider *prov);
+void *dplane_provider_get_data(const struct zebra_dplane_provider *prov);
+bool dplane_provider_is_threaded(const struct zebra_dplane_provider *prov);
+
+/* Lock/unlock a provider's mutex - iff the provider was registered with
+ * the THREADED flag.
+ */
+void dplane_provider_lock(struct zebra_dplane_provider *prov);
+void dplane_provider_unlock(struct zebra_dplane_provider *prov);
+
+/* Obtain thread_master for dataplane thread */
+struct event_loop *dplane_get_thread_master(void);
+
+/* Providers should (generally) limit number of updates per work cycle */
+int dplane_provider_get_work_limit(const struct zebra_dplane_provider *prov);
+
+/* Provider api to signal that work/events are available
+ * for the dataplane pthread.
+ */
+int dplane_provider_work_ready(void);
+
+/* Dequeue, maintain associated counter and locking */
+struct zebra_dplane_ctx *dplane_provider_dequeue_in_ctx(
+	struct zebra_dplane_provider *prov);
+
+/* Dequeue work to a list, maintain counter and locking, return count */
+int dplane_provider_dequeue_in_list(struct zebra_dplane_provider *prov,
+				    struct dplane_ctx_list_head *listp);
+
+/* Current completed work queue length */
+uint32_t dplane_provider_out_ctx_queue_len(struct zebra_dplane_provider *prov);
+
+/* Enqueue completed work, maintain associated counter and locking */
+void dplane_provider_enqueue_out_ctx(struct zebra_dplane_provider *prov,
+				     struct zebra_dplane_ctx *ctx);
+
+/* Enqueue a context directly to zebra main. */
+void dplane_provider_enqueue_to_zebra(struct zebra_dplane_ctx *ctx);
+
+/* Enable collection of extra info about interfaces in route updates;
+ * this allows a provider/plugin to see some extra info in route update
+ * context objects.
+ */
+void dplane_enable_intf_extra_info(void);
+
+/*
+ * Initialize the dataplane modules at zebra startup. This is currently called
+ * by the rib module. Zebra registers a results callback with the dataplane.
+ * The callback is called in the dataplane pthread context,
+ * so the expectation is that the contexts are queued for the zebra
+ * main pthread.
+ */
+void zebra_dplane_init(int (*)(struct dplane_ctx_list_head *));
+
+/*
+ * Start the dataplane pthread. This step needs to be run later than the
+ * 'init' step, in case zebra has fork-ed.
+ */
+void zebra_dplane_start(void);
+
+/* Finalize/cleanup apis, one called early as shutdown is starting,
+ * one called late at the end of zebra shutdown, and then one called
+ * from the zebra main pthread to stop the dplane pthread and
+ * free all resources.
+ *
+ * Zebra expects to try to clean up all vrfs and all routes during
+ * shutdown, so the dplane must be available until very late.
+ */
+void zebra_dplane_pre_finish(void);
+void zebra_dplane_finish(void);
+void zebra_dplane_shutdown(void);
+
+void zebra_dplane_startup_stage(struct zebra_ns *zns,
+				enum zebra_dplane_startup_notifications spot);
+
+/*
+ * decision point for sending a routing update through the old
+ * straight to zebra master pthread or through the dplane to
+ * the master pthread for handling
+ */
+void dplane_rib_add_multipath(afi_t afi, safi_t safi, struct prefix *p,
+			      struct prefix_ipv6 *src_p, struct route_entry *re,
+			      struct nexthop_group *ng, int startup,
+			      struct zebra_dplane_ctx *ctx);
+
+enum zebra_dplane_startup_notifications
+dplane_ctx_get_startup_spot(struct zebra_dplane_ctx *ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _ZEBRA_DPLANE_H */