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zebra: add init api for dplane lsp context

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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>
This commit is contained in:
Mark Stapp 2020-06-02 11:04:56 -04:00
parent 0024ea8ecd
commit 65f264cf42
2 changed files with 24 additions and 8 deletions
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24
zebra/zebra_dplane.c
View File

@ -1952,18 +1952,12 @@ done:
/*
* Capture information for an LSP update in a dplane context.
*/
static int dplane_ctx_lsp_init(struct zebra_dplane_ctx *ctx,
enum dplane_op_e op,
zebra_lsp_t *lsp)
int dplane_ctx_lsp_init(struct zebra_dplane_ctx *ctx, enum dplane_op_e op,
zebra_lsp_t *lsp)
{
int ret = AOK;
zebra_nhlfe_t *nhlfe, *new_nhlfe;
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("init dplane ctx %s: in-label %u ecmp# %d",
dplane_op2str(op), lsp->ile.in_label,
lsp->num_ecmp);
ctx->zd_op = op;
ctx->zd_status = ZEBRA_DPLANE_REQUEST_SUCCESS;
@ -1975,6 +1969,20 @@ static int dplane_ctx_lsp_init(struct zebra_dplane_ctx *ctx,
nhlfe_list_init(&(ctx->u.lsp.nhlfe_list));
nhlfe_list_init(&(ctx->u.lsp.backup_nhlfe_list));
/* This may be called to create/init a dplane context, not necessarily
* to copy an lsp object.
*/
if (lsp == NULL) {
ret = AOK;
goto done;
}
if (IS_ZEBRA_DEBUG_DPLANE_DETAIL)
zlog_debug("init dplane ctx %s: in-label %u ecmp# %d",
dplane_op2str(op), lsp->ile.in_label,
lsp->num_ecmp);
ctx->u.lsp.ile = lsp->ile;
ctx->u.lsp.addr_family = lsp->addr_family;
ctx->u.lsp.num_ecmp = lsp->num_ecmp;

8
zebra/zebra_dplane.h
View File

@ -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);