Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1518352

[PATCH net-next 09/17] net: hns: modify buffer format of cpu data to le64

From Salil Mehta <salil.mehta@huawei.com>
Newsgroups linux.kernel
Subject [PATCH net-next 09/17] net: hns: modify buffer format of cpu data to le64
Date 2016-11-09 19:20 +0100
Message-ID <sBFDA-2qo-11@gated-at.bofh.it> (permalink)
References <sBFDz-2qo-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


From: Qianqian Xie <xieqianqian@huawei.com>

Hardware ring buffer data is stored in Little-endian. Thus cpu data
should be modified to Little-endian.

Signed-off-by: Qianqian Xie <xieqianqian@huawei.com>
Reviewed-by: Yisen Zhuang <yisen.zhuang@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns/hnae.h |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h
index e093cbf..b0f0557 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.h
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.h
@@ -590,7 +590,7 @@ static inline int hnae_alloc_buffer_attach(struct hnae_ring *ring, int i)
 	if (ret)
 		return ret;
 
-	ring->desc[i].addr = (__le64)ring->desc_cb[i].dma;
+	ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma);
 
 	return 0;
 }
@@ -621,14 +621,14 @@ static inline void hnae_replace_buffer(struct hnae_ring *ring, int i,
 
 	bops->unmap_buffer(ring, &ring->desc_cb[i]);
 	ring->desc_cb[i] = *res_cb;
-	ring->desc[i].addr = (__le64)ring->desc_cb[i].dma;
+	ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma);
 	ring->desc[i].rx.ipoff_bnum_pid_flag = 0;
 }
 
 static inline void hnae_reuse_buffer(struct hnae_ring *ring, int i)
 {
 	ring->desc_cb[i].reuse_flag = 0;
-	ring->desc[i].addr = (__le64)(ring->desc_cb[i].dma
+	ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma
 		+ ring->desc_cb[i].page_offset);
 	ring->desc[i].rx.ipoff_bnum_pid_flag = 0;
 }
-- 
1.7.9.5

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH net-next 09/17] net: hns: modify buffer format of cpu data to le64 Salil Mehta <salil.mehta@huawei.com> - 2016-11-09 19:20 +0100

csiph-web