[dpdk-dev] [PATCH v4 14/21] bus/fslmc: define queues for DPAA2 devices

Hemant Agrawal hemant.agrawal at nxp.com
Tue Apr 11 15:37:20 CEST 2017


Before DPAA2 devices can communicate using hardware queues, this patch
adds queue definitions in the FSLMC bus which the DPAA2 devices would
instantitate.

Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
 drivers/bus/fslmc/portal/dpaa2_hw_pvt.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
index 453fc10..b230e78 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
@@ -37,9 +37,12 @@
 #include <mc/fsl_mc_sys.h>
 #include <fsl_qbman_portal.h>
 
+#define DPAA2_DQRR_RING_SIZE	16
+	/** <Maximum number of slots available in RX ring*/
 
 #define MC_PORTAL_INDEX		0
 #define NUM_DPIO_REGIONS	2
+#define NUM_DQS_PER_QUEUE       2
 
 /* Maximum release/acquire from QBMAN */
 #define DPAA2_MBUF_MAX_ACQ_REL	7
@@ -77,6 +80,23 @@ struct dpaa2_dpbp_dev {
 	uint32_t dpbp_id; /*HW ID for DPBP object */
 };
 
+struct queue_storage_info_t {
+	struct qbman_result *dq_storage[NUM_DQS_PER_QUEUE];
+};
+
+struct dpaa2_queue {
+	struct rte_mempool *mb_pool; /**< mbuf pool to populate RX ring. */
+	void *dev;
+	int32_t eventfd;	/*!< Event Fd of this queue */
+	uint32_t fqid;		/*!< Unique ID of this queue */
+	uint8_t tc_index;	/*!< traffic class identifier */
+	uint16_t flow_id;	/*!< To be used by DPAA2 frmework */
+	uint64_t rx_pkts;
+	uint64_t tx_pkts;
+	uint64_t err_pkts;
+	struct queue_storage_info_t *q_storage;
+};
+
 /*! Global MCP list */
 extern void *(*rte_mcp_ptr_list);
 
-- 
1.9.1



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