[dpdk-dev] [PATCH] cxgbe: fix alignment for data offset in mbufs

[Rahul Lakkireddy]

Fixup alignment for data offset when refilling mbufs.

Fixes: edd04c619685 ("net/cxgbe: update Rx path for Chelsio T6")

Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy at chelsio.com>
Signed-off-by: Kumar Sanghvi <kumaras at chelsio.com>
---
 drivers/net/cxgbe/sge.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/cxgbe/sge.c b/drivers/net/cxgbe/sge.c
index d088065..4e4a462 100644
--- a/drivers/net/cxgbe/sge.c
+++ b/drivers/net/cxgbe/sge.c
@@ -415,7 +415,11 @@ static unsigned int refill_fl_usembufs(struct adapter *adap, struct sge_fl *q,
 		}
 
 		rte_mbuf_refcnt_set(mbuf, 1);
-		mbuf->data_off = RTE_PKTMBUF_HEADROOM;
+		mbuf->data_off =
+			(uint16_t)(RTE_PTR_ALIGN((char *)mbuf->buf_addr +
+						 RTE_PKTMBUF_HEADROOM,
+						 adap->sge.fl_align) -
+				   (char *)mbuf->buf_addr);
 		mbuf->next = NULL;
 		mbuf->nb_segs = 1;
 		mbuf->port = rxq->rspq.port_id;
-- 
2.5.3