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zebra: dplane API to get provider output q length

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Returns the current number of (completed) contexts in the provider's
output queue (dp_ctx_out_q), allowing access to this data from the
provider itself.

Signed-off-by: Duncan Eastoe <duncan.eastoe@att.com>
This commit is contained in:
Duncan Eastoe 2020-12-11 11:03:53 +00:00
parent 7545bda0a4
commit 53706b4e51
2 changed files with 9 additions and 0 deletions
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6
zebra/zebra_dplane.c
View File

@ -3900,6 +3900,12 @@ int dplane_provider_dequeue_in_list(struct zebra_dplane_provider *prov,
return ret;
}
uint32_t dplane_provider_out_ctx_queue_len(struct zebra_dplane_provider *prov)
{
return atomic_load_explicit(&(prov->dp_out_counter),
memory_order_relaxed);
}
/*
* Enqueue and maintain associated counter
*/

3
zebra/zebra_dplane.h
View File

@ -763,6 +763,9 @@ struct zebra_dplane_ctx *dplane_provider_dequeue_in_ctx(
int dplane_provider_dequeue_in_list(struct zebra_dplane_provider *prov,
struct dplane_ctx_q *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);