[dpdk-stable] patch 'net/i40e: fix Rx data segment buffer length' has been queued to stable release 17.05.2

[Yuanhan Liu]

Hi,

FYI, your patch has been queued to stable release 17.05.2

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 08/24/17. So please
shout if anyone has objections.

Thanks.

	--yliu

---
>From f338a398860e4190d1519e0c1ed1aa33860c614b Mon Sep 17 00:00:00 2001
From: Qi Zhang <qi.z.zhang at intel.com>
Date: Wed, 2 Aug 2017 15:22:09 +0800
Subject: [PATCH] net/i40e: fix Rx data segment buffer length

[ upstream commit 1ff8e79591a6cc99c475a50e87adb30d9b20569a ]

Buffer length be configured for each data segment should not exceed
the requested value, or device may fill data that exceed the boundary
of memory that be reserved.

Fixes: 4861cde46116 ("i40e: new poll mode driver")

Signed-off-by: Jianfeng Tan <jianfeng.tan at intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
Reviewed-by: Mark Kavanagh <mark.b.kavanagh at intel.com>
Tested-by: Mark Kavanagh <mark.b.kavanagh at intel.com>
---
 drivers/net/i40e/i40e_rxtx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 351cb94..07b09b2 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -2474,7 +2474,7 @@ i40e_rx_queue_config(struct i40e_rx_queue *rxq)
 	case I40E_FLAG_HEADER_SPLIT_DISABLED:
 	default:
 		rxq->rx_hdr_len = 0;
-		rxq->rx_buf_len = RTE_ALIGN(buf_size,
+		rxq->rx_buf_len = RTE_ALIGN_FLOOR(buf_size,
 			(1 << I40E_RXQ_CTX_DBUFF_SHIFT));
 		rxq->hs_mode = i40e_header_split_none;
 		break;
-- 
2.7.4