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* [dpdk-dev] [PATCH] net/i40e: fix data segment buffer length
@ 2017-08-02  7:22 Qi Zhang
  2017-08-02 10:54 ` Kavanagh, Mark B
  0 siblings, 1 reply; 3+ messages in thread
From: Qi Zhang @ 2017-08-02  7:22 UTC (permalink / raw)
  To: jingjing.wu; +Cc: dev, jianfeng.tang, Qi Zhang, stable, Jianfeng Tan

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2017-08-03 20:47 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2017-08-02  7:22 [dpdk-dev] [PATCH] net/i40e: fix data segment buffer length Qi Zhang
2017-08-02 10:54 ` Kavanagh, Mark B
2017-08-03 20:47   ` Thomas Monjalon

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