| Message ID | 20220918094336.28958-1-shenjian15@huawei.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | net: extend the type of netdev_features_t to bitmap | expand |
On Sun, 18 Sep 2022 09:42:41 +0000 Jian Shen wrote: > 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. For v9 could you filter out all the driver changes? Focus on adding the helpers and converting core (excluding tunnel drivers etc.) in a way that will not break the build. That way we can iterate on the revisions more quickly, hopefully, and convert the drivers once we have the helpers ironed out?
From: Jian Shen <shenjian15@huawei.com> Date: Sun, 18 Sep 2022 09:42:41 +0000 > 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. [patch 1] Hey, what's the current status, how's going? [...] > -- > 2.33.0 Thanks, Olek
在 2022/11/25 23:44, Alexander Lobakin 写道: > From: Jian Shen <shenjian15@huawei.com> > Date: Sun, 18 Sep 2022 09:42:41 +0000 > >> 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. [patch 1] > Hey, > > what's the current status, how's going? > > [...] Hi, Alexander Sorry to reply late, I'm still working on this, dealing with split the patchset. Btw, could you kindly review this V8 set? I have adjusted the protocol of many interfaces and helpers, to avoiding return or pass data large than 64bits. Hope to get more opinions. Thanks! Jian >> -- >> 2.33.0 > Thanks, > Olek > . >
From: "shenjian (K)" <shenjian15@huawei.com> Date: Mon, 28 Nov 2022 23:22:28 +0800 > 2022/11/25 23:44, Alexander Lobakin: > > From: Jian Shen <shenjian15@huawei.com> > > Date: Sun, 18 Sep 2022 09:42:41 +0000 > > > >> 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. [patch 1] > > Hey, > > > > what's the current status, how's going? > > > > [...] > Hi, Alexander > > Sorry to reply late, I'm still working on this, dealing with split the > patchset. Hey, no worries. Just curious as I believe lots of new features are waiting for new bits to be available :D > > Btw, could you kindly review this V8 set? I have adjusted the protocol > of many interfaces and helpers, I'll try to find some time to review it this week, will see. > to avoiding return or pass data large than 64bits. Hope to get more Yes, I'd prefer to not pass more than 64 bits in one function argument, which means functions operating with netdev_features_t must start take pointers. Otherwise, with passing netdev_features_t directly as a struct, the very first newly added feature will do 8 -> 16 bytes on the stack per argument, boom. > opinions. > > Thanks! > > Jian > >> -- > >> 2.33.0 > > Thanks, > > Olek Thanks, Olek
From: Alexander Lobakin <alexandr.lobakin@intel.com> Date: Mon, 28 Nov 2022 16:51:27 +0100 > From: "shenjian (K)" <shenjian15@huawei.com> > Date: Mon, 28 Nov 2022 23:22:28 +0800 > >> 2022/11/25 23:44, Alexander Lobakin: >>> From: Jian Shen <shenjian15@huawei.com> >>> Date: Sun, 18 Sep 2022 09:42:41 +0000 >>> >>>> 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. [patch 1] >>> Hey, >>> >>> what's the current status, how's going? >>> >>> [...] >> Hi, Alexander >> >> Sorry to reply late, I'm still working on this, dealing with split the >> patchset. > > Hey, no worries. Just curious as I believe lots of new features are > waiting for new bits to be available :D Hey, Any news? > >> >> Btw, could you kindly review this V8 set? I have adjusted the protocol >> of many interfaces and helpers, > > I'll try to find some time to review it this week, will see. > >> to avoiding return or pass data large than 64bits. Hope to get more > > Yes, I'd prefer to not pass more than 64 bits in one function > argument, which means functions operating with netdev_features_t > must start take pointers. Otherwise, with passing netdev_features_t > directly as a struct, the very first newly added feature will do > 8 -> 16 bytes on the stack per argument, boom. > >> opinions. >> >> Thanks! >> >> Jian >>>> -- >>>> 2.33.0 >>> Thanks, >>> Olek > > Thanks, > Olek Thanks, Olek
在 2023/9/13 18:28, Alexander Lobakin 写道: > From: Alexander Lobakin <alexandr.lobakin@intel.com> > Date: Mon, 28 Nov 2022 16:51:27 +0100 > >> From: "shenjian (K)" <shenjian15@huawei.com> >> Date: Mon, 28 Nov 2022 23:22:28 +0800 >> >>> 2022/11/25 23:44, Alexander Lobakin: >>>> From: Jian Shen <shenjian15@huawei.com> >>>> Date: Sun, 18 Sep 2022 09:42:41 +0000 >>>> >>>>> 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. [patch 1] >>>> Hey, >>>> >>>> what's the current status, how's going? >>>> >>>> [...] >>> Hi, Alexander >>> >>> Sorry to reply late, I'm still working on this, dealing with split the >>> patchset. >> Hey, no worries. Just curious as I believe lots of new features are >> waiting for new bits to be available :D > Hey, > > Any news? Sorry， Olek . Would you like to continue the work ? I thought I could finish this work as soon as possible, but in fact, there is a serious time conflict. Jian >>> Btw, could you kindly review this V8 set? I have adjusted the protocol >>> of many interfaces and helpers, >> I'll try to find some time to review it this week, will see. >> >>> to avoiding return or pass data large than 64bits. Hope to get more >> Yes, I'd prefer to not pass more than 64 bits in one function >> argument, which means functions operating with netdev_features_t >> must start take pointers. Otherwise, with passing netdev_features_t >> directly as a struct, the very first newly added feature will do >> 8 -> 16 bytes on the stack per argument, boom. >> >>> opinions. >>> >>> Thanks! >>> >>> Jian >>>>> -- >>>>> 2.33.0 >>>> Thanks, >>>> Olek >> Thanks, >> Olek > Thanks, > Olek > . >
From: Shenjian (K) <shenjian15@huawei.com> Date: Sat, 16 Sep 2023 15:20:27 +0800 > > > 在 2023/9/13 18:28, Alexander Lobakin 写道: >> From: Alexander Lobakin <alexandr.lobakin@intel.com> >> Date: Mon, 28 Nov 2022 16:51:27 +0100 >> >>> From: "shenjian (K)" <shenjian15@huawei.com> >>> Date: Mon, 28 Nov 2022 23:22:28 +0800 >>> >>>> 2022/11/25 23:44, Alexander Lobakin: >>>>> From: Jian Shen <shenjian15@huawei.com> >>>>> Date: Sun, 18 Sep 2022 09:42:41 +0000 >>>>> >>>>>> 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. [patch 1] >>>>> Hey, >>>>> >>>>> what's the current status, how's going? >>>>> >>>>> [...] >>>> Hi, Alexander >>>> >>>> Sorry to reply late, I'm still working on this, dealing with split the >>>> patchset. >>> Hey, no worries. Just curious as I believe lots of new features are >>> waiting for new bits to be available :D >> Hey, >> >> Any news? > Sorry， Olek . > > Would you like to continue the work ? I thought I could finish this work > as soon as possible, but in fact, there is a serious time conflict. Oh well, I'm kinda overloaded as well (as always) and at the same time won't work with the code during the next month due to conferences and a vacation :z :D Would I take this project over, I'd start working on it no sooner than January 2024, so I don't think that would be a good idea. Anyone else? +Cc Sabrina, there's "netdev_features_t extension" mentioned next to her name in one interesting spreadsheet :D > > Jian [...] Thanks, Olek
On Mon, 18 Sep 2023 16:25:14 +0200 Alexander Lobakin wrote: > > Would you like to continue the work ? I thought I could finish this work > > as soon as possible, but in fact, there is a serious time conflict. > > Oh well, I'm kinda overloaded as well (as always) and at the same time > won't work with the code during the next month due to conferences and > a vacation :z :D > Would I take this project over, I'd start working on it no sooner than > January 2024, so I don't think that would be a good idea. > > Anyone else? +Cc Sabrina, there's "netdev_features_t extension" > mentioned next to her name in one interesting spreadsheet :D FTR Olek brought this topic up at netconf and the conclusion/Eric's guidance was to deprioritize this work. Instead focus on cleaning up things which are currently in features but do no need to be accessed in generic fast paths.
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. [patch 1] 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. Serveal macroes remained temporarily by some precompile dependency.[patch 55] The features group macroes in netdev_features.h are replaced by a set of const features defined in netdev_features.c. [patch 2-3] 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 4~9] Also, there are many features(e.g. NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK) are used by several drivers, replaces them with global netdev features variables, in order to simple the expressions.[patch 10~13] As suggestion from Andrew Lunn, I wrote some semantic patches to do the work(replacing the netdev features operator by helpers). To make the semantic patches simple, I split the complex expressions of netdev_features to simple logical operation. [patch 14~15] For the prototype of netdev_features_t is no longer u64, so it's incorrect to assigne 0 to it, use netdev_empty_features intead. [patch 16] Some drivers defines macroes and functions wich use NETIF_F_XXX as parameter. For all the macroes NETIF_F_XXX will be removed at last, so change these macroes and functions to use NETIF_F_XXX_BIT. [patch 17~23] With above preparation, then apply the semantic patches to do the expression transition. For example, replace expression "ndev->hw_features |= NETIF_F_TSO;" by "netdev_hw_feature_set(ndev, NETIF_F_TSO_BIT)". [patch 24~35, 54] For the prototype of netdev_features_t is larger than 8 bytes, so it's not recommend to be passed direclty. There are many function in kernel use netdev_features_t as parameter or return value, change the prototype of these functions by using netdev_features_t *. [patch 36~53] With the prototype is no longer u64, the implementation of print interface for netdev features(%pNF) is changed to bitmap. [patch 55] The former discussion please see [1][2][3][4][5][6]. [1]:https://www.spinics.net/lists/netdev/msg769952.html [2]:https://www.spinics.net/lists/netdev/msg777764.html [3]:https://www.spinics.net/lists/netdev/msg778921.html [4]:https://www.spinics.net/lists/netdev/msg809293.html [5]:https://www.spinics.net/lists/netdev/msg814349.html [6]: https://www.spinics.net/lists/netdev/msg838709.html ChangeLog: V7->V8: fix comments from Alexander Lobakin: change the prototype of netdev_features_and and other similar helpers reduce the using of netdev_emtpy_features fix some typo issue use netdev_features_set/clear_set to replace the definition of feature set refine the build check for net_gso_ok() change the prototype of functions using netdev_features_t V6->V7: Add netdev_feature_change helpers, remove netdev_features_copy and netdev_xxx_features helpers. Complete the treewide netdev features changes. Suggestions from Alexander Lobakin: refine the definition of DECLARE_NETDEV_FEATURE_SET, and remove useless blank lines. V5-V6: suggestions from Jakub Kicinski: drop the rename for netdev->features simplify names of some helpers, and move them to a new header file refine the implement for netdev_features_set_array 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 (55): net: introduce operation helpers for netdev features net: replace general features macroes with global netdev_features variables treewide: replace multiple feature bits with DECLARE_NETDEV_FEATURE_SET net: sfc: replace const features initialization with DECLARE_NETDEV_FEATURE_SET net: atlantic: replace const features initialization with NETDEV_FEATURE_SET iwlwifi: replace const features initialization with NETDEV_FEATURE_SET net: ethernet: mtk_eth_soc: replace const features initialization with NETDEV_FEATURE_SET ravb: replace const features initialization with NETDEV_FEATURE_SET test_bpf: replace const features initialization with NETDEV_FEATURE_SET treewide: replace NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK by netdev_csum_gso_features_mask treewide: replace NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM by netdev_ip_csum_features treewide: replace NETIF_F_TSO | NETIF_F_TSO6 by netdev_general_tso_features treewide: replace VLAN tag feature array by const vlan features net: simplify the netdev features expressions for xxx_gso_segment treewide: simplify the netdev features expression treewide: adjust the handle for netdev features '0' treewide: adjust features initialization net: mlx4: adjust the net device feature relative macroes net: mlx5e: adjust net device feature relative macroes net: mlxsw: adjust input parameter for function mlxsw_sp_handle_feature net: iavf: adjust net device features relative macroes net: core: adjust netdev_sync_xxx_features net: adjust the build check for net_gso_ok() treewide: use netdev_feature_add helpers treewide: use netdev_features_or/set helpers treewide: use netdev_feature_change helpers treewide: use netdev_feature_del helpers treewide: use netdev_features_andnot/clear helpers treewide: use netdev_features_xor helpers treewide: use netdev_feature_test helpers treewide: use netdev_features_intersects helpers treewide: use netdev_features_and/mask helpers treewide: use netdev_features_subset helpers treewide: use netdev_features_equal helpers treewide: use netdev_features_empty helpers net: adjust the prototype of netdev_increment_features() net: adjust the prototype of netdev_add_tso_features() net: core: adjust prototype of several functions used in net/core/dev.c net: adjust the prototype of netdev_intersect_features() net: adjust the prototype of netif_skb_features() net: adjust the prototype of xxx_features_check() net: adjust the prototype of ndo_fix_features net: adjust the prototype of xxx_set_features() net: adjust the prototype fo xxx_gso_segment() family net: vlan: adjust the prototype of vlan functions net: adjust the prototype of netif_needs_gso() and relative functions net: adjust the prototype of skb_needs_linearize() net: adjust the prototype of validate_xmit_xfrm() and relative functions net: adjust the prototype of can_checksum_protocol() net: tap: adjust the prototype of update_features() net: mlx4: adjust the prototype of check_csum() and mlx4_en_update_loopback_state() net: gve: adjust the prototype of gve_rx(), gve_clean_rx_done() and gve_rx_complete_skb() net: sfc: adjust the prototype of xxx_supported_features() treewide: use netdev_features_copy helpers net: redefine the prototype of netdev_features_t arch/um/drivers/vector_kern.c | 16 +- arch/um/drivers/vector_transports.c | 32 +- drivers/firewire/net.c | 4 +- drivers/hsi/clients/ssi_protocol.c | 2 +- drivers/infiniband/hw/hfi1/netdev.h | 1 + drivers/infiniband/hw/hfi1/vnic_main.c | 8 +- drivers/infiniband/ulp/ipoib/ipoib.h | 1 + drivers/infiniband/ulp/ipoib/ipoib_cm.c | 2 +- drivers/infiniband/ulp/ipoib/ipoib_ib.c | 2 +- drivers/infiniband/ulp/ipoib/ipoib_main.c | 19 +- drivers/infiniband/ulp/ipoib/ipoib_verbs.c | 2 +- drivers/misc/sgi-xp/xpnet.c | 3 +- drivers/net/amt.c | 13 +- drivers/net/bareudp.c | 15 +- drivers/net/bonding/bond_main.c | 143 ++-- drivers/net/bonding/bond_options.c | 8 +- drivers/net/caif/caif_serial.c | 3 +- drivers/net/can/dev/dev.c | 4 +- drivers/net/dsa/xrs700x/xrs700x.c | 17 +- drivers/net/dummy.c | 14 +- drivers/net/ethernet/3com/3c59x.c | 10 +- drivers/net/ethernet/3com/typhoon.c | 31 +- drivers/net/ethernet/adaptec/starfire.c | 9 +- drivers/net/ethernet/aeroflex/greth.c | 12 +- drivers/net/ethernet/alacritech/slicoss.c | 6 +- drivers/net/ethernet/alteon/acenic.c | 9 +- drivers/net/ethernet/altera/altera_tse_main.c | 10 +- drivers/net/ethernet/amazon/ena/ena_netdev.c | 47 +- 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drivers/net/ethernet/atheros/alx/main.c | 20 +- drivers/net/ethernet/atheros/atl1c/atl1c.h | 1 + .../net/ethernet/atheros/atl1c/atl1c_main.c | 44 +- drivers/net/ethernet/atheros/atl1e/atl1e.h | 1 + .../net/ethernet/atheros/atl1e/atl1e_main.c | 59 +- drivers/net/ethernet/atheros/atlx/atl1.c | 21 +- drivers/net/ethernet/atheros/atlx/atl2.c | 39 +- drivers/net/ethernet/atheros/atlx/atlx.c | 27 +- drivers/net/ethernet/broadcom/b44.c | 3 +- drivers/net/ethernet/broadcom/bcmsysport.c | 36 +- drivers/net/ethernet/broadcom/bgmac.c | 10 +- drivers/net/ethernet/broadcom/bnx2.c | 52 +- .../net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 60 +- .../net/ethernet/broadcom/bnx2x/bnx2x_cmn.h | 5 +- .../net/ethernet/broadcom/bnx2x/bnx2x_main.c | 101 ++- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 157 ++-- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 6 +- drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c | 4 +- drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c | 10 +- drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 4 +- .../net/ethernet/broadcom/genet/bcmgenet.c | 17 +- drivers/net/ethernet/broadcom/tg3.c | 68 +- drivers/net/ethernet/brocade/bna/bnad.c | 45 +- drivers/net/ethernet/cadence/macb_main.c | 90 ++- drivers/net/ethernet/calxeda/xgmac.c | 23 +- .../net/ethernet/cavium/liquidio/lio_core.c | 4 +- .../net/ethernet/cavium/liquidio/lio_main.c | 147 ++-- .../ethernet/cavium/liquidio/lio_vf_main.c | 117 +-- .../ethernet/cavium/liquidio/octeon_network.h | 4 +- .../net/ethernet/cavium/thunder/nicvf_main.c | 52 +- .../ethernet/cavium/thunder/nicvf_queues.c | 7 +- .../ethernet/cavium/thunder/nicvf_queues.h | 2 +- drivers/net/ethernet/chelsio/cxgb/cxgb2.c | 51 +- drivers/net/ethernet/chelsio/cxgb/sge.c | 10 +- drivers/net/ethernet/chelsio/cxgb/sge.h | 2 +- .../net/ethernet/chelsio/cxgb3/cxgb3_main.c | 73 +- drivers/net/ethernet/chelsio/cxgb3/sge.c | 8 +- .../net/ethernet/chelsio/cxgb4/cxgb4_fcoe.c | 16 +- .../net/ethernet/chelsio/cxgb4/cxgb4_main.c | 110 +-- .../net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.h | 2 +- drivers/net/ethernet/chelsio/cxgb4/sge.c | 8 +- .../ethernet/chelsio/cxgb4vf/cxgb4vf_main.c | 56 +- drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 4 +- .../chelsio/inline_crypto/chtls/chtls_main.c | 2 +- drivers/net/ethernet/cirrus/ep93xx_eth.c | 3 +- drivers/net/ethernet/cisco/enic/enic_main.c | 60 +- drivers/net/ethernet/cortina/gemini.c | 28 +- drivers/net/ethernet/davicom/dm9000.c | 23 +- drivers/net/ethernet/davicom/dm9051.c | 2 +- drivers/net/ethernet/dnet.c | 3 +- drivers/net/ethernet/ec_bhf.c | 3 +- drivers/net/ethernet/emulex/benet/be_main.c | 62 +- drivers/net/ethernet/engleder/tsnep_main.c | 16 +- drivers/net/ethernet/ethoc.c | 3 +- drivers/net/ethernet/faraday/ftgmac100.c | 34 +- .../net/ethernet/freescale/dpaa/dpaa_eth.c | 21 +- .../net/ethernet/freescale/dpaa2/dpaa2-eth.c | 42 +- .../ethernet/freescale/dpaa2/dpaa2-switch.c | 8 +- .../ethernet/freescale/dpaa2/dpaa2-switch.h | 1 + drivers/net/ethernet/freescale/enetc/enetc.c | 29 +- drivers/net/ethernet/freescale/enetc/enetc.h | 2 +- .../net/ethernet/freescale/enetc/enetc_pf.c | 48 +- .../net/ethernet/freescale/enetc/enetc_vf.c | 31 +- drivers/net/ethernet/freescale/fec_main.c | 31 +- .../ethernet/freescale/fs_enet/fs_enet-main.c | 2 +- drivers/net/ethernet/freescale/gianfar.c | 34 +- drivers/net/ethernet/freescale/gianfar.h | 2 +- .../net/ethernet/freescale/gianfar_ethtool.c | 12 +- .../ethernet/fungible/funeth/funeth_ktls.c | 4 +- .../ethernet/fungible/funeth/funeth_main.c | 47 +- .../net/ethernet/fungible/funeth/funeth_rx.c | 4 +- drivers/net/ethernet/google/gve/gve_adminq.c | 5 +- drivers/net/ethernet/google/gve/gve_main.c | 28 +- drivers/net/ethernet/google/gve/gve_rx.c | 10 +- drivers/net/ethernet/google/gve/gve_rx_dqo.c | 11 +- drivers/net/ethernet/hisilicon/hix5hd2_gmac.c | 8 +- drivers/net/ethernet/hisilicon/hns/hns_enet.c | 52 +- .../net/ethernet/hisilicon/hns3/hns3_enet.c | 107 +-- .../ethernet/hisilicon/hns3/hns3_ethtool.c | 4 +- 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.../net/ethernet/intel/iavf/iavf_virtchnl.c | 4 +- drivers/net/ethernet/intel/ice/ice.h | 1 + drivers/net/ethernet/intel/ice/ice_lib.c | 5 +- drivers/net/ethernet/intel/ice/ice_main.c | 285 ++++--- drivers/net/ethernet/intel/ice/ice_repr.c | 2 +- drivers/net/ethernet/intel/ice/ice_tc_lib.c | 2 +- drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 11 +- drivers/net/ethernet/intel/igb/igb_ethtool.c | 2 +- drivers/net/ethernet/intel/igb/igb_main.c | 158 ++-- drivers/net/ethernet/intel/igbvf/netdev.c | 100 +-- drivers/net/ethernet/intel/igc/igc_ethtool.c | 2 +- drivers/net/ethernet/intel/igc/igc_mac.c | 1 + drivers/net/ethernet/intel/igc/igc_main.c | 139 ++-- drivers/net/ethernet/intel/ixgb/ixgb_main.c | 46 +- .../net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c | 2 +- .../net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 2 +- drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c | 7 +- drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c | 2 +- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 224 +++--- 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drivers/net/ethernet/sfc/efx_common.h | 6 +- drivers/net/ethernet/sfc/falcon/efx.c | 59 +- drivers/net/ethernet/sfc/falcon/efx.h | 3 + drivers/net/ethernet/sfc/falcon/falcon.c | 4 +- drivers/net/ethernet/sfc/falcon/net_driver.h | 8 +- drivers/net/ethernet/sfc/falcon/rx.c | 4 +- drivers/net/ethernet/sfc/mcdi_filters.c | 17 +- drivers/net/ethernet/sfc/mcdi_port_common.c | 2 +- drivers/net/ethernet/sfc/net_driver.h | 8 +- drivers/net/ethernet/sfc/rx.c | 2 +- drivers/net/ethernet/sfc/rx_common.c | 4 +- drivers/net/ethernet/sfc/rx_common.h | 4 + drivers/net/ethernet/sfc/siena/efx.c | 46 +- drivers/net/ethernet/sfc/siena/efx.h | 2 + drivers/net/ethernet/sfc/siena/efx_common.c | 40 +- drivers/net/ethernet/sfc/siena/efx_common.h | 7 +- drivers/net/ethernet/sfc/siena/farch.c | 2 +- .../net/ethernet/sfc/siena/mcdi_port_common.c | 2 +- drivers/net/ethernet/sfc/siena/net_driver.h | 8 +- drivers/net/ethernet/sfc/siena/rx.c | 2 +- drivers/net/ethernet/sfc/siena/rx_common.c | 4 +- drivers/net/ethernet/sfc/siena/siena.c | 3 +- drivers/net/ethernet/sfc/siena/tx_common.c | 4 +- drivers/net/ethernet/sfc/tx_common.c | 4 +- drivers/net/ethernet/sgi/ioc3-eth.c | 10 +- drivers/net/ethernet/silan/sc92031.c | 7 +- drivers/net/ethernet/socionext/netsec.c | 14 +- drivers/net/ethernet/socionext/sni_ave.c | 7 +- .../net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 +- .../net/ethernet/stmicro/stmmac/stmmac_main.c | 56 +- .../stmicro/stmmac/stmmac_selftests.c | 4 +- drivers/net/ethernet/sun/cassini.c | 6 +- drivers/net/ethernet/sun/ldmvsw.c | 5 +- drivers/net/ethernet/sun/niu.c | 12 +- drivers/net/ethernet/sun/sungem.c | 11 +- drivers/net/ethernet/sun/sunhme.c | 13 +- drivers/net/ethernet/sun/sunvnet.c | 7 +- drivers/net/ethernet/sun/sunvnet_common.c | 5 +- .../net/ethernet/synopsys/dwc-xlgmac-common.c | 29 +- drivers/net/ethernet/synopsys/dwc-xlgmac-hw.c | 14 +- .../net/ethernet/synopsys/dwc-xlgmac-net.c | 34 +- drivers/net/ethernet/synopsys/dwc-xlgmac.h | 1 + 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drivers/s390/net/qeth_core_main.c | 132 ++-- drivers/s390/net/qeth_l2_main.c | 34 +- drivers/s390/net/qeth_l3_main.c | 44 +- drivers/scsi/fcoe/fcoe.c | 12 +- drivers/staging/octeon/ethernet.c | 6 +- drivers/staging/qlge/qlge_main.c | 58 +- drivers/usb/gadget/function/f_phonet.c | 3 +- include/linux/if_tap.h | 3 +- include/linux/if_vlan.h | 27 +- include/linux/netdev_feature_helpers.h | 724 ++++++++++++++++++ include/linux/netdev_features.h | 178 ++--- include/linux/netdevice.h | 175 +++-- include/linux/skbuff.h | 79 +- include/linux/tcp.h | 1 + include/net/bonding.h | 5 +- include/net/inet_common.h | 2 +- include/net/ip_tunnels.h | 3 +- include/net/net_failover.h | 8 +- include/net/pkt_cls.h | 2 +- include/net/sock.h | 7 +- include/net/tcp.h | 2 +- include/net/udp.h | 13 +- include/net/udp_tunnel.h | 8 +- include/net/vxlan.h | 16 +- include/net/xfrm.h | 11 +- lib/test_bpf.c | 37 +- lib/vsprintf.c | 9 +- net/8021q/vlan.c | 10 +- net/8021q/vlan.h | 24 +- net/8021q/vlan_core.c | 4 +- net/8021q/vlan_dev.c | 55 +- net/batman-adv/soft-interface.c | 6 +- net/bridge/br_device.c | 26 +- net/bridge/br_if.c | 17 +- net/bridge/br_private.h | 3 +- net/core/Makefile | 2 +- net/core/dev.c | 411 +++++----- net/core/dev.h | 2 + net/core/gro.c | 5 +- net/core/netdev_features.c | 226 ++++++ net/core/netpoll.c | 4 +- net/core/pktgen.c | 6 +- net/core/skbuff.c | 22 +- net/core/skmsg.c | 2 +- net/core/sock.c | 16 +- net/dccp/ipv4.c | 2 +- net/dccp/ipv6.c | 8 +- net/dsa/slave.c | 25 +- net/ethtool/common.h | 1 + net/ethtool/features.c | 126 ++- net/ethtool/ioctl.c | 136 ++-- net/hsr/hsr_device.c | 37 +- net/hsr/hsr_forward.c | 8 +- net/hsr/hsr_framereg.c | 2 +- net/hsr/hsr_slave.c | 2 +- net/ieee802154/6lowpan/core.c | 2 +- net/ieee802154/core.c | 15 +- net/ipv4/af_inet.c | 13 +- net/ipv4/esp4_offload.c | 42 +- net/ipv4/gre_offload.c | 12 +- net/ipv4/ip_gre.c | 31 +- net/ipv4/ip_output.c | 24 +- net/ipv4/ip_tunnel.c | 3 +- net/ipv4/ip_vti.c | 2 +- net/ipv4/ipip.c | 20 +- net/ipv4/ipmr.c | 2 +- net/ipv4/tcp.c | 10 +- net/ipv4/tcp_ipv4.c | 2 +- net/ipv4/tcp_offload.c | 11 +- net/ipv4/udp_offload.c | 47 +- net/ipv6/af_inet6.c | 2 +- net/ipv6/esp6_offload.c | 36 +- net/ipv6/inet6_connection_sock.c | 2 +- net/ipv6/ip6_gre.c | 23 +- net/ipv6/ip6_offload.c | 14 +- net/ipv6/ip6_output.c | 20 +- net/ipv6/ip6_tunnel.c | 22 +- net/ipv6/ip6mr.c | 2 +- net/ipv6/sit.c | 22 +- net/ipv6/tcp_ipv6.c | 2 +- net/ipv6/tcpv6_offload.c | 2 +- net/ipv6/udp_offload.c | 13 +- net/l2tp/l2tp_eth.c | 2 +- net/mac80211/ieee80211_i.h | 13 +- net/mac80211/iface.c | 9 +- net/mac80211/main.c | 24 +- net/mac80211/tx.c | 4 +- net/mpls/mpls_gso.c | 7 +- net/netfilter/ipvs/ip_vs_proto_sctp.c | 3 +- net/netfilter/nfnetlink_queue.c | 5 +- net/nsh/nsh.c | 10 +- net/openvswitch/datapath.c | 10 +- net/openvswitch/vport-internal_dev.c | 22 +- net/phonet/pep-gprs.c | 4 +- net/sched/sch_cake.c | 6 +- net/sched/sch_netem.c | 6 +- net/sched/sch_taprio.c | 6 +- net/sched/sch_tbf.c | 7 +- net/sctp/offload.c | 13 +- net/sctp/output.c | 2 +- net/sunrpc/sunrpc.h | 2 +- net/tls/tls_device.c | 8 +- net/wireless/core.c | 15 +- net/xfrm/xfrm_device.c | 40 +- net/xfrm/xfrm_interface.c | 16 +- net/xfrm/xfrm_output.c | 9 +- 508 files changed, 8214 insertions(+), 5558 deletions(-) create mode 100644 include/linux/netdev_feature_helpers.h create mode 100644 net/core/netdev_features.c