zebra: dataplane context reset and init apis

Add a public reset api, so a context can be reset and reused;
add apis to init a context for a route or mac update.

Signed-off-by: Mark Stapp <mjs@voltanet.io>

1 files changed, 15 insertions, 0 deletions

diff --git a/zebra/zebra_dplane.h b/zebra/zebra_dplane.h
index 9ce4df197c..9fe8b3b513 100644
--- a/zebra/zebra_dplane.h
+++ b/zebra/zebra_dplane.h
@@ -180,6 +180,12 @@ TAILQ_HEAD(dplane_ctx_q, zebra_dplane_ctx);
 /* 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);
+
 /* Return a dataplane results context block after use; the caller's pointer will
  * be cleared.
  */
@@ -451,6 +457,15 @@ enum zebra_dplane_result dplane_mac_del(const struct interface *ifp,
 					const struct ethaddr *mac,
 					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,
+		     struct in_addr vtep_ip,
+		     bool sticky);
+
 /*
  * Enqueue evpn neighbor updates for the dataplane.
  */