[dpdk-dev] [PATCH] net/i40e: fix data segment buffer length

[Qi Zhang]

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 at dpdk.org

Signed-off-by: Jianfeng Tan <jianfeng.tan at intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang 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 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