net: hns3: Add handling of GRO Pkts not fully RX'ed in NAPI poll

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The "FE bit" in the description means the last description for
a packets. When HW GRO enable, HW write data to ring every
packet/buffer, there is greater probability that driver handle
with the describtion but HW still not set the "FE bit".

When drier handle the packet and HW still not set "FE bit",
driver stores skb and bd_num in rx ring, and continue to use the
skb and bd_num in next napi.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Peng Li 2018-11-15 09:29:22 +00:00 • committed by David S. Miller

parent b26a6fea22

commit e559709505

2 changed files with 140 additions and 62 deletions

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198

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

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6

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

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