zebra: dplane APIs for programming evpn-mh access port attributes

This includes -
1. non-DF block filter
2. List of es-peers that need to be blocked per-access port (for
split horizon filtering)
3. Backup nexthop group to failover local-es via the VxLAN overlay

Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/zebra/zebra_dplane.h b/zebra/zebra_dplane.h
index fd70211f7c..b37bf665ae 100644
--- a/zebra/zebra_dplane.h
+++ b/zebra/zebra_dplane.h
@@ -152,6 +152,9 @@ enum dplane_op_e {
 
 	/* Link layer address discovery */
 	DPLANE_OP_NEIGH_DISCOVER,
+
+	/* bridge port update */
+	DPLANE_OP_BR_PORT_UPDATE,
 };
 
 /*
@@ -184,6 +187,8 @@ enum dplane_op_e {
 #define DPLANE_NEIGH_SET_STATIC   (1 << 2)
 #define DPLANE_NEIGH_SET_INACTIVE (1 << 3)
 
+#define DPLANE_BR_PORT_NON_DF (1 << 0)
+
 /* Enable system route notifications */
 void dplane_enable_sys_route_notifs(void);
 
@@ -444,6 +449,15 @@ 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);
 
+/* 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);
+
 /* Namespace info - esp. for netlink communication */
 const struct zebra_dplane_info *dplane_ctx_get_ns(
 	const struct zebra_dplane_ctx *ctx);
@@ -479,6 +493,12 @@ enum zebra_dplane_result dplane_route_notif_update(
 	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;