zebra: add init api for dplane lsp context

Add an init api (based on what had been a private/static api)
to allow a caller to init a context and use it to generate LSP
updates. This might be useful for testing, or from a dplane
plugin.

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

1 files changed, 8 insertions, 0 deletions

diff --git a/zebra/zebra_dplane.h b/zebra/zebra_dplane.h
index 46d556bfc..8e873886d 100644
--- a/zebra/zebra_dplane.h
+++ b/zebra/zebra_dplane.h
@@ -310,6 +310,14 @@ 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,
+			zebra_lsp_t *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);