[dpdk-dev] [PATCH 2/6 v3] bus/fslmc: introduce API to consume dqrr using index

Nipun Gupta nipun.gupta at nxp.com
Wed Jan 17 12:39:10 CET 2018


A new API qbman_swp_dqrr_idx_consume is defined which takes
input as DQRR index to consume corresponding DQRR entry.

Signed-off-by: Nipun Gupta <nipun.gupta at nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
 drivers/bus/fslmc/qbman/include/fsl_qbman_portal.h | 7 +++++++
 drivers/bus/fslmc/qbman/qbman_portal.c             | 7 +++++++
 drivers/bus/fslmc/rte_bus_fslmc_version.map        | 1 +
 3 files changed, 15 insertions(+)

diff --git a/drivers/bus/fslmc/qbman/include/fsl_qbman_portal.h b/drivers/bus/fslmc/qbman/include/fsl_qbman_portal.h
index 019deae..10f38ca 100644
--- a/drivers/bus/fslmc/qbman/include/fsl_qbman_portal.h
+++ b/drivers/bus/fslmc/qbman/include/fsl_qbman_portal.h
@@ -389,6 +389,13 @@ void qbman_pull_desc_set_channel(struct qbman_pull_desc *d, uint32_t chid,
 void qbman_swp_dqrr_consume(struct qbman_swp *s, const struct qbman_result *dq);
 
 /**
+ * qbman_swp_dqrr_idx_consume() -  Given the DQRR index consume the DQRR entry
+ * @s: the software portal object.
+ * @dqrr_index: the DQRR index entry to be consumed.
+ */
+void qbman_swp_dqrr_idx_consume(struct qbman_swp *s, uint8_t dqrr_index);
+
+/**
  * qbman_get_dqrr_idx() - Get dqrr index from the given dqrr
  * @dqrr: the given dqrr object.
  *
diff --git a/drivers/bus/fslmc/qbman/qbman_portal.c b/drivers/bus/fslmc/qbman/qbman_portal.c
index b5c8b50..b02dfa2 100644
--- a/drivers/bus/fslmc/qbman/qbman_portal.c
+++ b/drivers/bus/fslmc/qbman/qbman_portal.c
@@ -859,6 +859,13 @@ void qbman_swp_dqrr_consume(struct qbman_swp *s,
 	qbman_cinh_write(&s->sys, QBMAN_CINH_SWP_DCAP, QBMAN_IDX_FROM_DQRR(dq));
 }
 
+/* Consume DQRR entries previously returned from qbman_swp_dqrr_next(). */
+void qbman_swp_dqrr_idx_consume(struct qbman_swp *s,
+			    uint8_t dqrr_index)
+{
+	qbman_cinh_write(&s->sys, QBMAN_CINH_SWP_DCAP, dqrr_index);
+}
+
 /*********************************/
 /* Polling user-provided storage */
 /*********************************/
diff --git a/drivers/bus/fslmc/rte_bus_fslmc_version.map b/drivers/bus/fslmc/rte_bus_fslmc_version.map
index 16b759d..b9dd063 100644
--- a/drivers/bus/fslmc/rte_bus_fslmc_version.map
+++ b/drivers/bus/fslmc/rte_bus_fslmc_version.map
@@ -97,6 +97,7 @@ DPDK_18.02 {
 	dpaa2_virt_mode;
 	qbman_fq_query_state;
 	qbman_fq_state_frame_count;
+	qbman_swp_dqrr_idx_consume;
 	rte_fslmc_get_device_count;
 
 } DPDK_17.11;
-- 
1.9.1



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