From: Hemant Agrawal <hemant.agrawal@nxp.com>
Date: Tue, 23 Jan 2018 12:27:03 +0000 (+0530)
Subject: mempool/dpaa: fix address translation optimization
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=df2a17124257255eb59004c787e590ae21e27345

mempool/dpaa: fix address translation optimization

Fixes: 83a4f267f2e3 ("mempool/dpaa: optimize phy to virt conversion")
Cc: stable@dpdk.org

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

diff --git a/drivers/mempool/dpaa/dpaa_mempool.c b/drivers/mempool/dpaa/dpaa_mempool.c
index dc4bcc9ac5..c880d4fb39 100644
--- a/drivers/mempool/dpaa/dpaa_mempool.c
+++ b/drivers/mempool/dpaa/dpaa_mempool.c
@@ -150,8 +150,8 @@ dpaa_mbuf_free_bulk(struct rte_mempool *pool,
 		uint64_t phy = rte_mempool_virt2iova(obj_table[i]);
 
 		if (unlikely(!bp_info->ptov_off)) {
-			/* buffers are not from multiple memzones */
-			if (!(bp_info->flags & DPAA_MPOOL_MULTI_MEMZONE)) {
+			/* buffers are from single mem segment */
+			if (bp_info->flags & DPAA_MPOOL_SINGLE_SEGMENT) {
 				bp_info->ptov_off
 						= (uint64_t)obj_table[i] - phy;
 				rte_dpaa_bpid_info[bp_info->bpid].ptov_off
@@ -282,9 +282,8 @@ dpaa_register_memory_area(const struct rte_mempool *mp,
 			   len, total_elt_sz * mp->size);
 
 	/* Detect pool area has sufficient space for elements in this memzone */
-	if (len < total_elt_sz * mp->size)
-		/* Else, Memory will be allocated from multiple memzones */
-		bp_info->flags |= DPAA_MPOOL_MULTI_MEMZONE;
+	if (len >= total_elt_sz * mp->size)
+		bp_info->flags |= DPAA_MPOOL_SINGLE_SEGMENT;
 
 	return 0;
 }
diff --git a/drivers/mempool/dpaa/dpaa_mempool.h b/drivers/mempool/dpaa/dpaa_mempool.h
index 02aa51300e..9435dd2f8a 100644
--- a/drivers/mempool/dpaa/dpaa_mempool.h
+++ b/drivers/mempool/dpaa/dpaa_mempool.h
@@ -28,8 +28,8 @@
 /* Maximum release/acquire from BMAN */
 #define DPAA_MBUF_MAX_ACQ_REL  8
 
-/* Buffers are allocated from multiple memzones i.e. non phys contiguous */
-#define DPAA_MPOOL_MULTI_MEMZONE  0x01
+/* Buffers are allocated from single mem segment i.e. phys contiguous */
+#define DPAA_MPOOL_SINGLE_SEGMENT  0x01
 
 struct dpaa_bp_info {
 	struct rte_mempool *mp;