net: hns3: support skb's frag page recycling based on page pool

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This patch adds skb's frag page recycling support based on
the frag page support in page pool.

The performance improves above 10~20% for single thread iperf
TCP flow with IOMMU disabled when iperf server and irq/NAPI
have a different CPU.

The performance improves about 135%(14Gbit to 33Gbit) for single
thread iperf TCP flow when IOMMU is in strict mode and iperf
server shares the same cpu with irq/NAPI.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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This commit is contained in:

Yunsheng Lin 2021-08-06 10:46:22 +08:00 • committed by Jakub Kicinski

parent 53e0961da1

commit 93188e9642

3 changed files with 78 additions and 5 deletions

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1

drivers/net/ethernet/hisilicon/Kconfig

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79

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

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3

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

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