diff mbox

[dpdk-dev,3/3] net/bnxt: initialize mbuf data_off

Message ID 20180419235754.75550-4-ajit.khaparde@broadcom.com (mailing list archive)
State Changes Requested, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Ajit Khaparde April 19, 2018, 11:57 p.m. UTC 
  Initialize mbuf->data_off to RTE_PKTMBUF_HEADROOM after allocation.
Without this, it might be possible that the DMA address provided
to the HW may not be in sync to what is indicated to the application
in bnxt_rx_pkt.

Fixes: 2eb53b134aae ("net/bnxt: add initial Rx code")
Cc: stable@dpdk.org

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/bnxt_rxr.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c
index 4bc320430..7b956ac78 100644
--- a/drivers/net/bnxt/bnxt_rxr.c
+++ b/drivers/net/bnxt/bnxt_rxr.c
@@ -46,6 +46,7 @@  static inline int bnxt_alloc_rx_data(struct bnxt_rx_queue *rxq,
 	}
 
 	rx_buf->mbuf = mbuf;
+	mbuf->data_off = RTE_PKTMBUF_HEADROOM;
 
 	rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
 
@@ -73,6 +74,7 @@  static inline int bnxt_alloc_ag_data(struct bnxt_rx_queue *rxq,
 
 
 	rx_buf->mbuf = mbuf;
+	mbuf->data_off = RTE_PKTMBUF_HEADROOM;
 
 	rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));