From: Anatoly Burakov <anatoly.burakov@intel.com>
Date: Wed, 11 Apr 2018 12:29:51 +0000 (+0100)
Subject: net/bnxt: use contiguous allocation for DMA memory
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=5da1f2d8ebdb5ba850d215d440f0a924bb3fbbaa

net/bnxt: use contiguous allocation for DMA memory

All hardware drivers should allocate IOVA-contiguous
memzones for their hardware resources.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Tested-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Tested-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Tested-by: Gowrishankar Muthukrishnan <gowrishankar.m@linux.vnet.ibm.com>
---

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 0b2165326e..ad7d925a3c 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -3147,9 +3147,10 @@ skip_init:
 				sizeof(struct rx_port_stats) + 512);
 		if (!mz) {
 			mz = rte_memzone_reserve(mz_name, total_alloc_len,
-						 SOCKET_ID_ANY,
-						 RTE_MEMZONE_2MB |
-						 RTE_MEMZONE_SIZE_HINT_ONLY);
+					SOCKET_ID_ANY,
+					RTE_MEMZONE_2MB |
+					RTE_MEMZONE_SIZE_HINT_ONLY |
+					RTE_MEMZONE_IOVA_CONTIG);
 			if (mz == NULL)
 				return -ENOMEM;
 		}
@@ -3181,10 +3182,12 @@ skip_init:
 		total_alloc_len = RTE_CACHE_LINE_ROUNDUP(
 				sizeof(struct tx_port_stats) + 512);
 		if (!mz) {
-			mz = rte_memzone_reserve(mz_name, total_alloc_len,
-						 SOCKET_ID_ANY,
-						 RTE_MEMZONE_2MB |
-						 RTE_MEMZONE_SIZE_HINT_ONLY);
+			mz = rte_memzone_reserve(mz_name,
+					total_alloc_len,
+					SOCKET_ID_ANY,
+					RTE_MEMZONE_2MB |
+					RTE_MEMZONE_SIZE_HINT_ONLY |
+					RTE_MEMZONE_IOVA_CONTIG);
 			if (mz == NULL)
 				return -ENOMEM;
 		}
diff --git a/drivers/net/bnxt/bnxt_ring.c b/drivers/net/bnxt/bnxt_ring.c
index 8fb897216f..0e8a6a2488 100644
--- a/drivers/net/bnxt/bnxt_ring.c
+++ b/drivers/net/bnxt/bnxt_ring.c
@@ -166,10 +166,11 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
 	mz = rte_memzone_lookup(mz_name);
 	if (!mz) {
 		mz = rte_memzone_reserve_aligned(mz_name, total_alloc_len,
-					 SOCKET_ID_ANY,
-					 RTE_MEMZONE_2MB |
-					 RTE_MEMZONE_SIZE_HINT_ONLY,
-					 getpagesize());
+				SOCKET_ID_ANY,
+				RTE_MEMZONE_2MB |
+				RTE_MEMZONE_SIZE_HINT_ONLY |
+				RTE_MEMZONE_IOVA_CONTIG,
+				getpagesize());
 		if (mz == NULL)
 			return -ENOMEM;
 	}
diff --git a/drivers/net/bnxt/bnxt_vnic.c b/drivers/net/bnxt/bnxt_vnic.c
index d4aeb4ca8a..9ccc67e0a9 100644
--- a/drivers/net/bnxt/bnxt_vnic.c
+++ b/drivers/net/bnxt/bnxt_vnic.c
@@ -185,10 +185,10 @@ int bnxt_alloc_vnic_attributes(struct bnxt *bp)
 	mz = rte_memzone_lookup(mz_name);
 	if (!mz) {
 		mz = rte_memzone_reserve(mz_name,
-					 entry_length * max_vnics,
-					 SOCKET_ID_ANY,
-					 RTE_MEMZONE_2MB |
-					 RTE_MEMZONE_SIZE_HINT_ONLY);
+				entry_length * max_vnics, SOCKET_ID_ANY,
+				RTE_MEMZONE_2MB |
+				RTE_MEMZONE_SIZE_HINT_ONLY |
+				RTE_MEMZONE_IOVA_CONTIG);
 		if (!mz)
 			return -ENOMEM;
 	}