| Message ID | 1627614864-50824-1-git-send-email-huangguangbin2@huawei.com |
|---|---|
| Headers | show |
| Series | net: hns3: add support for TX push | expand |
On Fri, Jul 30, 2021 at 11:14:21AM +0800, Guangbin Huang wrote: > From: Xiongfeng Wang <wangxiongfeng2@huawei.com> > > DGH prohibits merging memory accesses with Normal-NC or Device-GRE > attributes before the hint instruction with any memory accesses > appearing after the hint instruction. Provide macros to expose it to the > arch code. > > Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> > Signed-off-by: Cheng Jian <cj.chengjian@huawei.com> > Signed-off-by: Yufeng Mo <moyufeng@huawei.com> > --- > arch/arm64/include/asm/assembler.h | 7 +++++++ > arch/arm64/include/asm/barrier.h | 1 + > 2 files changed, 8 insertions(+) > > diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h > index 89faca0e740d..5a3348b5e9f3 100644 > --- a/arch/arm64/include/asm/assembler.h > +++ b/arch/arm64/include/asm/assembler.h > @@ -90,6 +90,13 @@ > .endm > > /* > + * Data gathering hint > + */ > + .macro dgh > + hint #6 > + .endm Do we need this macro? It doesn't seem to be used anywhere.
This series adds TX push support for the HNS3 ethernet driver. Huazhong Tan (2): net: hns3: add support for TX push mode net: hns3: add ethtool priv-flag for TX push Xiongfeng Wang (2): arm64: barrier: add DGH macros to control memory accesses merging io: add function to flush the write combine buffer to device immediately arch/arm64/include/asm/assembler.h | 7 ++ arch/arm64/include/asm/barrier.h | 1 + arch/arm64/include/asm/io.h | 2 + drivers/net/ethernet/hisilicon/hns3/hnae3.h | 2 + drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 82 ++++++++++++++++++++-- drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 6 ++ drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 21 +++++- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c | 2 + .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 11 ++- .../ethernet/hisilicon/hns3/hns3pf/hclge_main.h | 8 +++ .../ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c | 2 + .../ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 11 ++- .../ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h | 8 +++ include/linux/io.h | 6 ++ 14 files changed, 160 insertions(+), 9 deletions(-)