net: hns3: add linearizing checking for TSO case

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HW requires every continuous 8 buffer data to be larger than MSS,
we simplify it by ensuring skb_headlen + the first continuous
7 frags to to be larger than GSO header len + mss, and the
remaining continuous 7 frags to be larger than MSS except the
last 7 frags.

This patch adds hns3_skb_need_linearized to handle it for TSO
case.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Yunsheng Lin 2019-05-06 10:48:44 +08:00 • committed by David S. Miller

parent d21ff4f90d

commit db4970aa92

1 changed files with 45 additions and 0 deletions

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drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

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