From: Qi Zhang <qi.z.zhang@intel.com>
To: jingjing.wu@intel.com
Cc: dev@dpdk.org, jianfeng.tang@intel.com,
Qi Zhang <qi.z.zhang@intel.com>,
stable@dpdk.org, Jianfeng Tan <jianfeng.tan@intel.com>
Subject: [dpdk-dev] [PATCH] net/i40e: fix data segment buffer length
Date: Wed, 2 Aug 2017 15:22:09 +0800 [thread overview]
Message-ID: <20170802072209.15233-1-qi.z.zhang@intel.com> (raw)
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")
Cc: stable@dpdk.org
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@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 ae64de6..d42c23c 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;
--
2.9.4
next reply other threads:[~2017-08-01 23:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-02 7:22 Qi Zhang [this message]
2017-08-02 10:54 ` Kavanagh, Mark B
2017-08-03 20:47 ` Thomas Monjalon
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