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[RFCv5 PATCH net-next 00/20] net: extend the type of netdev_features_t to bitmap
by Jian Shen 16 Apr '22

16 Apr '22

For the prototype of netdev_features_t is u64, and the number of netdevice feature bits is 64 now. So there is no space to introduce new feature bit. This patchset try to solve it by change the prototype of netdev_features_t from u64 to structure below: typedef struct { DECLARE_BITMAP(bits, NETDEV_FEATURE_COUNT); } netdev_features_t; With this change, it's necessary to introduce a set of bitmap operation helpers for netdev features. As the nic drivers are not supposed to modify netdev_features directly, it also introduces wrappers helpers to this. [patch 20] There are a set of helpes named as "netdev_features_xxx", and I want to add similar helpers for netdev features members, named as netdev_XXX_features_xxx.(xxx: and/or/xor.., XXX: hw/vlan/mpls...) To make the helpers name differentiable, rename netdev->features to netdev->active_features. [patch 2] For example: #define netdev_active_features_set_bit(ndev, nr) \ netdev_features_set_bit(nr, &ndev->active_features) To avoid mistake using NETIF_F_XXX as NETIF_F_XXX_BIT as input macroes for above helpers, remove all the macroes of NETIF_F_XXX. [patch 20] The features group macroes in netdev_features.h are replaced by a set of const features defined in netdev_features.c. [patch 3-4] For example: macro NETIF_F_ALL_TSO is replaced by netdev_all_tso_features There are some drivers(e.g. sfc) use netdev_features in global structure initialization. Changed the its netdev_features_t memeber to netdev_features_t *, and make it prefer to a netdev_features_t global variables. [patch 5] As suggestion from Andrew Lunn, I wrote some semantic patches to do the work(replacing the netdev features operator by helpers). [patch 8-19] To make the semantic patches simple, I split the complex opreation of netdev_features to simple logical operation. [patch 6, 7] With the prototype is no longer u64, the implementation of print interface for netdev features(%pNF) is changed to bitmap. [patch 20] The whole work is not complete yet. I just use these changes on several files(hns3 driver, sfc drivers, net/ethtool, net/core/dev.c), in order to show how these helpers will be used. I want to get more suggestions for this scheme, any comments would be appreciated. The former discussion please see [1][2][3]. [1]:https://www.spinics.net/lists/netdev/msg769952.html [2]:https://www.spinics.net/lists/netdev/msg777764.html [3]:https://lore.kernel.org/netdev/20211107101519.29264-1-shenjian15@huawei.… ChangeLog: V4->V5: adjust the patch structure, use semantic patch with coccinelle V3->V4: rename netdev->features to netdev->active_features remove helpes for handle first 64 bits remove __NETIF_F(name) macroes replace features group macroes with const features V2->V3: use structure for bitmap, suggest by Edward Cree V1->V2: Extend the prototype from u64 to bitmap, suggest by Andrew Lunn Jian Shen (20): net: rename net_device->features to net_device->active_features net: introduce operation helpers for netdev features net: replace general features macroes with global netdev_features variables net: replace multiple feature bits with netdev features array net: sfc: replace const features initialization with netdev features array net: simplify the netdev features expression net: adjust variables definition for netdev_features_t net: use netdev_features_set_bit helpers net: use netdev_features_or helpers net: use netdev_features_xor helpers net: use netdev_features_clear_bit helpers net: use netdev_features_andnot helpers net: use netdev_features_test_bit helpers net: use netdev_features_intersects helpers net: use netdev_features_and helpers net: use netdev_features_subset helpers net: use netdev_features_equal helpers net: use netdev_set_xxx_features helpers net: use netdev_xxx_features helpers net: redefine the prototype of netdev_features_t .../net/ethernet/hisilicon/hns3/hns3_enet.c | 116 ++- .../ethernet/hisilicon/hns3/hns3_ethtool.c | 4 +- drivers/net/ethernet/sfc/ef10.c | 43 +- drivers/net/ethernet/sfc/ef100_nic.c | 57 +- drivers/net/ethernet/sfc/ef100_rx.c | 4 +- drivers/net/ethernet/sfc/ef100_tx.c | 8 +- drivers/net/ethernet/sfc/ef10_sriov.c | 6 +- drivers/net/ethernet/sfc/efx.c | 96 ++- drivers/net/ethernet/sfc/efx_common.c | 32 +- drivers/net/ethernet/sfc/falcon/efx.c | 75 +- drivers/net/ethernet/sfc/falcon/efx.h | 3 + drivers/net/ethernet/sfc/falcon/falcon.c | 4 +- drivers/net/ethernet/sfc/falcon/net_driver.h | 4 +- drivers/net/ethernet/sfc/falcon/rx.c | 4 +- drivers/net/ethernet/sfc/farch.c | 2 +- drivers/net/ethernet/sfc/mcdi_filters.c | 13 +- drivers/net/ethernet/sfc/mcdi_port_common.c | 2 +- drivers/net/ethernet/sfc/net_driver.h | 4 +- drivers/net/ethernet/sfc/rx.c | 2 +- drivers/net/ethernet/sfc/rx_common.c | 5 +- drivers/net/ethernet/sfc/rx_common.h | 4 + drivers/net/ethernet/sfc/siena.c | 3 +- include/linux/netdev_features.h | 189 ++--- include/linux/netdevice.h | 722 +++++++++++++++++- lib/vsprintf.c | 11 +- net/core/dev.c | 419 ++++++---- net/core/netdev_features.c | 276 +++++++ net/ethtool/features.c | 77 +- net/ethtool/ioctl.c | 140 ++-- 29 files changed, 1797 insertions(+), 528 deletions(-) create mode 100644 net/core/netdev_features.c -- 2.33.0

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Ref: Business Deal!
by Kalinkin Aliaksandr 15 Apr '22

15 Apr '22

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by Nicholas Morgan 14 Apr '22

14 Apr '22

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Wycena paneli fotowoltaicznych
by "Przemysław Wróblewski" 12 Apr '22

12 Apr '22

Dzień dobry, dostrzegam możliwość współpracy z Państwa firmą. Świadczymy kompleksową obsługę inwestycji w fotowoltaikę, która obniża koszty energii elektrycznej nawet o 90%. Czy są Państwo zainteresowani weryfikacją wstępnych propozycji? Pozdrawiam, Przemysław Wróblewski

1 0

[PATCH] MAINTAINERS: update HiSilicon ZIP and QM maintainers
by Zhou Wang 11 Apr '22

11 Apr '22

This patch splits QM and ZIP in MAINTAINERS, then add Weili Qian for QM driver and Yang Shen for ZIP driver. This patch adds missing Kconfig and Makefile files as well. Signed-off-by: Zhou Wang <wangzhou1(a)hisilicon.com> --- MAINTAINERS | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 61d9f11..d721620 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8858,15 +8858,24 @@ F: Documentation/admin-guide/perf/hisi-pcie-pmu.rst F: Documentation/admin-guide/perf/hisi-pmu.rst F: drivers/perf/hisilicon -HISILICON QM AND ZIP Controller DRIVER +HISILICON QM DRIVER +M: Weili Qian <qianweili(a)huawei.com> M: Zhou Wang <wangzhou1(a)hisilicon.com> L: linux-crypto(a)vger.kernel.org S: Maintained -F: Documentation/ABI/testing/debugfs-hisi-zip F: drivers/crypto/hisilicon/qm.c F: drivers/crypto/hisilicon/sgl.c -F: drivers/crypto/hisilicon/zip/ F: include/linux/hisi_acc_qm.h +F: drivers/crypto/hisilicon/Kconfig +F: drivers/crypto/hisilicon/Makefile + +HISILICON ZIP Controller DRIVER +M: Yang Shen <shenyang39(a)huawei.com> +M: Zhou Wang <wangzhou1(a)hisilicon.com> +L: linux-crypto(a)vger.kernel.org +S: Maintained +F: Documentation/ABI/testing/debugfs-hisi-zip +F: drivers/crypto/hisilicon/zip/ HISILICON ROCE DRIVER M: Wenpeng Liang <liangwenpeng(a)huawei.com> -- 2.8.1

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by ISA Email Marketing 10 Apr '22

10 Apr '22

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Prezentacja
by Marek Onufrowicz 05 Apr '22

05 Apr '22

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[PATCH 0/4] rasdaemon: Some little fixes and add some modules support
by Xiaofei Tan 01 Apr '22

01 Apr '22

Some little fixes and add some modules support for kunpeng series. Xiaofei Tan (4): rasdaemon: Fix the issue of sprintf data type mismatch in uuid_le() rasdaemon: Fix the issue of command option -r for hip08 rasdaemon: Fix some print format issues for hisi common error section rasdaemon: Add some modules supported by hisi common error section non-standard-hisi_hip08.c | 6 +++--- non-standard-hisilicon.c | 32 +++++++++++++++++++++----------- ras-extlog-handler.c | 2 +- ras-non-standard-handler.c | 4 ++-- 4 files changed, 27 insertions(+), 17 deletions(-) -- 2.33.0

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by ISA Email Marketing 28 Mar '22

28 Mar '22

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Koszty instalacji fotowoltaicznej
by "Arkadiusz Sokołowski" 28 Mar '22

28 Mar '22

Dzień dobry, stworzyliśmy specjalną ofertę dla firm, na kompleksową obsługę inwestycji w fotowoltaikę. Specjalizujemy się w zakresie doboru, montażu i serwisie instalacji fotowoltaicznych, dysponujemy najnowocześniejszymi rozwiązania, które zapewnią Państwu oczekiwane rezultaty. Możemy przygotować dla Państwa wstępną kalkulację i przeanalizować efekty możliwe do osiągnięcia. Czy są Państwo otwarci na wstępną rozmowę w tym temacie? Pozdrawiam Arkadiusz Sokołowski

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