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net: stmmac: Fix the problem of tso_xmit 

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.

Fixes: a993db88d1 ("net: stmmac: Enable support for > 32 Bits addressing in XGMAC")
Cc: Eric Dumazet <eric.dumazet@gmail.com>
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>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
This commit is contained in:
yuqi jin 2019-10-21 11:27:34 +08:00 committed by Jakub Kicinski
parent 011c7289de
commit 34c1520289
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@ -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);