[PATCH v2 1/4] net/nbl: change default Rx extension header size to 12 bytes

[Dimon Zhao]

The default Rx extension header size is reduced from 16 bytes to 12 bytes.
This reduction saves PCIe bandwidth by decreasing packet overhead.

Signed-off-by: Dimon Zhao <dimon.zhao at nebula-matrix.com>
---
 drivers/net/nbl/nbl_dev/nbl_dev.c     | 2 +-
 drivers/net/nbl/nbl_hw/nbl_resource.h | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/nbl/nbl_dev/nbl_dev.c b/drivers/net/nbl/nbl_dev/nbl_dev.c
index 0381bb74ec..9d79215309 100644
--- a/drivers/net/nbl/nbl_dev/nbl_dev.c
+++ b/drivers/net/nbl/nbl_dev/nbl_dev.c
@@ -87,7 +87,7 @@ static int nbl_dev_txrx_start(struct rte_eth_dev *eth_dev)
 		param.local_queue_id = i + ring_mgt->queue_offset;
 		param.intr_en = 0;
 		param.intr_mask = 0;
-		param.half_offload_en = 1;
+		param.half_offload_en = 0;
 		param.extend_header = 1;
 		param.split = 0;
 		param.rxcsum = 1;
diff --git a/drivers/net/nbl/nbl_hw/nbl_resource.h b/drivers/net/nbl/nbl_hw/nbl_resource.h
index e5d184a2a0..aba0f8e0c1 100644
--- a/drivers/net/nbl/nbl_hw/nbl_resource.h
+++ b/drivers/net/nbl/nbl_hw/nbl_resource.h
@@ -107,8 +107,6 @@ union nbl_rx_extend_head {
 		u32 l4s_dec_ind :1;
 		u32 rsv2 :4;
 		u32 num_buffers :8;
-		/* DW3 */
-		u32 hash_value;
 	} leonis;
 	struct nbl_rx_ehdr_common {
 		u32 dw0;
-- 
2.34.1