bus/fslmc: register platform HW mempool on runtime

Detect if the DPAA2 mempool objects are present and register
it as platform default hw mempool

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>

config/defconfig_arm64-dpaa2-linuxapp-gcc

@@ -26,7 +26,6 @@ CONFIG_RTE_LIBRTE_VHOST_NUMA=n
 # Compile Support Libraries for DPAA2
 #
 CONFIG_RTE_LIBRTE_DPAA2_MEMPOOL=y
-CONFIG_RTE_MBUF_DEFAULT_MEMPOOL_OPS="dpaa2"
 CONFIG_RTE_LIBRTE_DPAA2_USE_PHYS_IOVA=n
 
 #

drivers/bus/fslmc/portal/dpaa2_hw_dpbp.c

@@ -20,6 +20,7 @@
 #include <rte_kvargs.h>
 #include <rte_dev.h>
 #include <rte_ethdev_driver.h>
+#include <rte_mbuf_pool_ops.h>
 
 #include <fslmc_logs.h>
 #include <rte_fslmc.h>
@@ -38,6 +39,7 @@ dpaa2_create_dpbp_device(int vdev_fd __rte_unused,
 {
 	struct dpaa2_dpbp_dev *dpbp_node;
 	int ret;
+	static int register_once;
 
 	/* Allocate DPAA2 dpbp handle */
 	dpbp_node = rte_malloc(NULL, sizeof(struct dpaa2_dpbp_dev), 0);
@@ -74,6 +76,11 @@ dpaa2_create_dpbp_device(int vdev_fd __rte_unused,
 
 	RTE_LOG(DEBUG, PMD, "DPAA2: Added [dpbp.%d]\n", dpbp_id);
 
+	if (!register_once) {
+		if (rte_mbuf_set_platform_mempool_ops(DPAA2_MEMPOOL_OPS_NAME))
+			register_once = 1;
+	}
+
 	return 0;
 }
 

drivers/bus/fslmc/portal/dpaa2_hw_pvt.h

@@ -44,6 +44,8 @@
 /* Maximum release/acquire from QBMAN */
 #define DPAA2_MBUF_MAX_ACQ_REL	7
 
+#define DPAA2_MEMPOOL_OPS_NAME		"dpaa2"
+
 #define MAX_BPID 256
 #define DPAA2_MBUF_HW_ANNOTATION	64
 #define DPAA2_FD_PTA_SIZE		0

drivers/mempool/dpaa2/dpaa2_hw_mempool.c

@@ -354,7 +354,7 @@ rte_hw_mbuf_get_count(const struct rte_mempool *mp)
 }
 
 struct rte_mempool_ops dpaa2_mpool_ops = {
-	.name = "dpaa2",
+	.name = DPAA2_MEMPOOL_OPS_NAME,
 	.alloc = rte_hw_mbuf_create_pool,
 	.free = rte_hw_mbuf_free_pool,
 	.enqueue = rte_hw_mbuf_free_bulk,