net: stmmac: Fix the problem of tso_xmit
diff mbox series

Message ID 1571309950-43543-1-git-send-email-zhangshaokun@hisilicon.com
State Mainlined
Commit 34c15202896d11e3974788daf9005a84ec45f7a2
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Series
  • net: stmmac: Fix the problem of tso_xmit
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Commit Message

Shaokun Zhang Oct. 17, 2019, 10:59 a.m. UTC
From: yuqi jin <jinyuqi@huawei.com>

When the address width of DMA is greater than 32, the packet header occupies
a BD descriptor. The starting address of the data should be added to the
header length.

Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Jose Abreu <joabreu@synopsys.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: yuqi jin <jinyuqi@huawei.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Eric Dumazet Oct. 18, 2019, 4:01 p.m. UTC | #1
On 10/17/19 3:59 AM, Shaokun Zhang wrote:
> From: yuqi jin <jinyuqi@huawei.com>
> 
> When the address width of DMA is greater than 32, the packet header occupies
> a BD descriptor. The starting address of the data should be added to the
> header length.
> 
> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
> Cc: Alexandre Torgue <alexandre.torgue@st.com>
> Cc: Jose Abreu <joabreu@synopsys.com>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
> Signed-off-by: yuqi jin <jinyuqi@huawei.com>
> Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
> ---

Please add a Fixes: tag,
thanks.

Patch
diff mbox series

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index c76a1336a451..3e02e64c5fa0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2995,6 +2995,7 @@  static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
 	} else {
 		stmmac_set_desc_addr(priv, first, des);
 		tmp_pay_len = pay_len;
+		des += proto_hdr_len;
 	}
 
 	stmmac_tso_allocator(priv, des, tmp_pay_len, (nfrags == 0), queue);