net: hns3: add 8 BD limit for tx flow

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A single transmit packet can span up to 8 descriptors according
to the HW limit. If a skb has more than 8 frags, driver uses
skb_copy to get a new skb which has less frags.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Peng Li 2019-01-27 00:49:19 +08:00 • committed by David S. Miller

parent 1cce5eb650

commit 51e8439f34

1 changed files with 27 additions and 1 deletions

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28

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

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