[RFCv6,net-next,03/19] net: replace multiple feature bits with netdev features array

Message ID	20220419022206.36381-4-shenjian15@huawei.com (mailing list archive)
State	RFC
Delegated to:	Netdev Maintainers
Headers	show Return-Path: <netdev-owner@kernel.org> From: Jian Shen <shenjian15@huawei.com> To: <davem@davemloft.net>, <kuba@kernel.org>, <andrew@lunn.ch>, <ecree.xilinx@gmail.com>, <hkallweit1@gmail.com>, <alexandr.lobakin@intel.com>, <saeed@kernel.org>, <leon@kernel.org> CC: <netdev@vger.kernel.org>, <linuxarm@openeuler.org>, <lipeng321@huawei.com> Subject: [RFCv6 PATCH net-next 03/19] net: replace multiple feature bits with netdev features array Date: Tue, 19 Apr 2022 10:21:50 +0800 Message-ID: <20220419022206.36381-4-shenjian15@huawei.com> In-Reply-To: <20220419022206.36381-1-shenjian15@huawei.com> References: <20220419022206.36381-1-shenjian15@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII Precedence: bulk
Series	net: extend the type of netdev_features_t to bitmap \| expand [RFCv6,net-next,00/19] net: extend the type of netdev_features_t to bitmap [RFCv6,net-next,01/19] net: introduce operation helpers for netdev features [RFCv6,net-next,02/19] net: replace general features macroes with global netdev_features variables [RFCv6,net-next,03/19] net: replace multiple feature bits with netdev features array [RFCv6,net-next,04/19] net: sfc: replace const features initialization with netdev features array [RFCv6,net-next,05/19] net: simplify the netdev features expression [RFCv6,net-next,06/19] net: adjust variables definition for netdev_features_t [RFCv6,net-next,07/19] net: use netdev_feature_add helpers [RFCv6,net-next,08/19] net: use netdev_features_or helpers [RFCv6,net-next,09/19] net: use netdev_features_xor helpers [RFCv6,net-next,10/19] net: use netdev_feature_del helpers [RFCv6,net-next,11/19] net: use netdev_features_andnot helpers [RFCv6,net-next,12/19] net: use netdev_feature_test helpers [RFCv6,net-next,13/19] net: use netdev_features_intersects helpers [RFCv6,net-next,14/19] net: use netdev_features_and helpers [RFCv6,net-next,15/19] net: use netdev_features_subset helpers [RFCv6,net-next,16/19] net: use netdev_features_equal helpers [RFCv6,net-next,17/19] net: use netdev_features_copy helpers [RFCv6,net-next,18/19] net: use netdev_xxx_features helpers [RFCv6,net-next,19/19] net: redefine the prototype of netdev_features_t

Context	Check	Description
netdev/tree_selection	success	Clearly marked for net-next, async
netdev/apply	fail	Patch does not apply to net-next

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 14dc12c2155d..74ebba5b9bc3 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -12,6 +12,7 @@ #include <linux/ip.h> #include <linux/ipv6.h> #include <linux/module.h> +#include <linux/netdev_features_helper.h> #include <linux/pci.h> #include <linux/aer.h> #include <linux/skbuff.h> @@ -3253,23 +3254,46 @@ static struct pci_driver hns3_driver = { .err_handler = &hns3_err_handler, }; +DECLARE_NETDEV_FEATURE_SET(hns3_default_feature_set, + NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + NETIF_F_HW_VLAN_CTAG_RX_BIT, + NETIF_F_HW_VLAN_CTAG_TX_BIT, + NETIF_F_RXCSUM_BIT, + NETIF_F_SG_BIT, + NETIF_F_GSO_BIT, + NETIF_F_GRO_BIT, + NETIF_F_TSO_BIT, + NETIF_F_TSO6_BIT, + NETIF_F_GSO_GRE_BIT, + NETIF_F_GSO_GRE_CSUM_BIT, + NETIF_F_GSO_UDP_TUNNEL_BIT, + NETIF_F_SCTP_CRC_BIT, + NETIF_F_FRAGLIST); + +DECLARE_NETDEV_FEATURE_SET(hns3_vlan_off_feature_set, + NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + NETIF_F_HW_VLAN_CTAG_RX_BIT, + NETIF_F_HW_VLAN_CTAG_TX_BIT, + NETIF_F_GRO_HW_BIT, + NETIF_F_NTUPLE_BIT, + NETIF_F_HW_TC_BIT); + /* set default feature to hns3 */ static void hns3_set_default_feature(struct net_device *netdev) { struct hnae3_handle *h = hns3_get_handle(netdev); struct pci_dev *pdev = h->pdev; struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev); + netdev_features_t vlan_off_features; + netdev_features_t features; netdev->priv_flags |= IFF_UNICAST_FLT; netdev->gso_partial_features |= NETIF_F_GSO_GRE_CSUM; - netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | - NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_GSO | - NETIF_F_GRO | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_GSO_GRE | - NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_UDP_TUNNEL | - NETIF_F_SCTP_CRC | NETIF_F_FRAGLIST; + netdev_features_zero(&features); + netdev_features_set_array(&hns3_default_feature_set, &features); + netdev->features |= features; if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) { netdev->features |= NETIF_F_GRO_HW; @@ -3296,10 +3320,10 @@ static void hns3_set_default_feature(struct net_device *netdev) if (!test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps)) netdev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; - netdev->vlan_features |= netdev->features & - ~(NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_GRO_HW | NETIF_F_NTUPLE | - NETIF_F_HW_TC); + netdev_features_zero(&vlan_off_features); + netdev_features_set_array(&hns3_vlan_off_feature_set, + &vlan_off_features); + netdev->vlan_features |= netdev->features & ~vlan_off_features; netdev->hw_enc_features |= netdev->vlan_features | NETIF_F_TSO_MANGLEID; } diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 50d535981a35..bb31043902e4 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -1301,6 +1301,12 @@ static void efx_ef10_fini_nic(struct efx_nic *efx) nic_data->mc_stats = NULL; } +DECLARE_NETDEV_FEATURE_SET(ef10_tso_feature_set, + NETIF_F_GSO_UDP_TUNNEL_BIT, + NETIF_F_GSO_GRE_BIT, + NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT, + NETIF_F_GSO_GRE_CSUM_BIT); + static int efx_ef10_init_nic(struct efx_nic *efx) { struct efx_ef10_nic_data *nic_data = efx->nic_data; @@ -1356,8 +1362,9 @@ static int efx_ef10_init_nic(struct efx_nic *efx) if (efx_has_cap(efx, TX_TSO_V2_ENCAP)) { netdev_features_t encap_tso_features; - encap_tso_features = NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | - NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM; + netdev_features_zero(&encap_tso_features); + netdev_features_set_array(&ef10_tso_feature_set, + &encap_tso_features); hw_enc_features |= encap_tso_features | NETIF_F_TSO; efx->net_dev->features |= encap_tso_features; diff --git a/drivers/net/ethernet/sfc/ef100_nic.c b/drivers/net/ethernet/sfc/ef100_nic.c index a07cbf45a326..18bf6a33b355 100644 --- a/drivers/net/ethernet/sfc/ef100_nic.c +++ b/drivers/net/ethernet/sfc/ef100_nic.c @@ -147,6 +147,15 @@ static int ef100_get_mac_address(struct efx_nic *efx, u8 *mac_address) return 0; } +DECLARE_NETDEV_FEATURE_SET(ef100_tso_feature_set, + NETIF_F_TSO_BIT, + NETIF_F_TSO6_BIT, + NETIF_F_GSO_PARTIAL_BIT, + NETIF_F_GSO_UDP_TUNNEL_BIT, + NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT, + NETIF_F_GSO_GRE_BIT, + NETIF_F_GSO_GRE_CSUM_BIT); + static int efx_ef100_init_datapath_caps(struct efx_nic *efx) { MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_V7_OUT_LEN); @@ -185,10 +194,10 @@ static int efx_ef100_init_datapath_caps(struct efx_nic *efx) if (efx_ef100_has_cap(nic_data->datapath_caps2, TX_TSO_V3)) { struct net_device *net_dev = efx->net_dev; - netdev_features_t tso = NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_GSO_PARTIAL | - NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_UDP_TUNNEL_CSUM | - NETIF_F_GSO_GRE | NETIF_F_GSO_GRE_CSUM; + netdev_features_t tso; + netdev_features_zero(&tso); + netdev_features_set_array(&ef100_tso_feature_set, &tso); net_dev->features |= tso; net_dev->hw_features |= tso; net_dev->hw_enc_features |= tso; @@ -1105,6 +1114,11 @@ static int ef100_check_design_params(struct efx_nic *efx) return rc; } +DECLARE_NETDEV_FEATURE_SET(ef100_vlan_feature_set, + NETIF_F_HW_CSUM_BIT, + NETIF_F_SG_BIT, + NETIF_F_HIGHDMA_BIT); + /* NIC probe and remove */ static int ef100_probe_main(struct efx_nic *efx) @@ -1126,8 +1140,8 @@ static int ef100_probe_main(struct efx_nic *efx) net_dev->features |= efx->type->offload_features; net_dev->hw_features |= efx->type->offload_features; net_dev->hw_enc_features |= efx->type->offload_features; - net_dev->vlan_features |= NETIF_F_HW_CSUM | NETIF_F_SG | - NETIF_F_HIGHDMA | NETIF_F_ALL_TSO; + net_dev->vlan_features |= NETIF_F_ALL_TSO; + netdev_vlan_features_set_array(net_dev, &ef100_vlan_feature_set); /* Populate design-parameter defaults */ nic_data->tso_max_hdr_len = ESE_EF100_DP_GZ_TSO_MAX_HDR_LEN_DEFAULT; diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 302dc835ac3d..bd76e1c5f879 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -988,6 +988,18 @@ static int efx_pci_probe_main(struct efx_nic *efx) return rc; } +DECLARE_NETDEV_FEATURE_SET(efx_active_feature_set, + NETIF_F_SG_BIT, + NETIF_F_TSO_BIT, + NETIF_F_RXCSUM_BIT, + NETIF_F_RXALL_BIT); + +DECLARE_NETDEV_FEATURE_SET(efx_vlan_feature_set, + NETIF_F_HW_CSUM_BIT, + NETIF_F_SG_BIT, + NETIF_F_HIGHDMA_BIT, + NETIF_F_RXCSUM_BIT); + static int efx_pci_probe_post_io(struct efx_nic *efx) { struct net_device *net_dev = efx->net_dev; @@ -1004,17 +1016,16 @@ static int efx_pci_probe_post_io(struct efx_nic *efx) } /* Determine netdevice features */ - net_dev->features |= (efx->type->offload_features | NETIF_F_SG | - NETIF_F_TSO | NETIF_F_RXCSUM | NETIF_F_RXALL); + net_dev->features |= efx->type->offload_features; + netdev_active_features_set_array(net_dev, &efx_active_feature_set); if (efx->type->offload_features & (NETIF_F_IPV6_CSUM | NETIF_F_HW_CSUM)) net_dev->features |= NETIF_F_TSO6; /* Check whether device supports TSO */ if (!efx->type->tso_versions || !efx->type->tso_versions(efx)) net_dev->features &= ~NETIF_F_ALL_TSO; /* Mask for features that also apply to VLAN devices */ - net_dev->vlan_features |= (NETIF_F_HW_CSUM | NETIF_F_SG | - NETIF_F_HIGHDMA | NETIF_F_ALL_TSO | - NETIF_F_RXCSUM); + net_dev->vlan_features |= NETIF_F_ALL_TSO; + netdev_vlan_features_set_array(net_dev, &efx_vlan_feature_set); net_dev->hw_features |= net_dev->features & ~efx->fixed_features; diff --git a/drivers/net/ethernet/sfc/falcon/efx.c b/drivers/net/ethernet/sfc/falcon/efx.c index 60c595ef7589..eeae4edf4a47 100644 --- a/drivers/net/ethernet/sfc/falcon/efx.c +++ b/drivers/net/ethernet/sfc/falcon/efx.c @@ -2859,6 +2859,12 @@ static int ef4_pci_probe_main(struct ef4_nic *efx) return rc; } +DECLARE_NETDEV_FEATURE_SET(efx_vlan_feature_set, + NETIF_F_HW_CSUM_BIT, + NETIF_F_SG_BIT, + NETIF_F_HIGHDMA_BIT, + NETIF_F_RXCSUM_BIT); + /* NIC initialisation * * This is called at module load (or hotplug insertion, @@ -2907,9 +2913,7 @@ static int ef4_pci_probe(struct pci_dev *pci_dev, net_dev->features |= (efx->type->offload_features | NETIF_F_SG | NETIF_F_RXCSUM); /* Mask for features that also apply to VLAN devices */ - net_dev->vlan_features |= (NETIF_F_HW_CSUM | NETIF_F_SG | - NETIF_F_HIGHDMA | NETIF_F_RXCSUM); - + netdev_vlan_features_set_array(net_dev, &efx_vlan_feature_set); net_dev->hw_features = net_dev->features & ~efx->fixed_features; /* Disable VLAN filtering by default. It may be enforced if diff --git a/drivers/net/ethernet/sfc/falcon/net_driver.h b/drivers/net/ethernet/sfc/falcon/net_driver.h index a381cf9ec4f3..e1c7e3098a95 100644 --- a/drivers/net/ethernet/sfc/falcon/net_driver.h +++ b/drivers/net/ethernet/sfc/falcon/net_driver.h @@ -26,6 +26,7 @@ #include <linux/vmalloc.h> #include <linux/i2c.h> #include <linux/mtd/mtd.h> +#include <linux/netdev_features_helper.h> #include <net/busy_poll.h> #include "enum.h" diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index c75dc75e2857..2407fd4ef785 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -25,6 +25,7 @@ #include <linux/rwsem.h> #include <linux/vmalloc.h> #include <linux/mtd/mtd.h> +#include <linux/netdev_features_helper.h> #include <net/busy_poll.h> #include <net/xdp.h> diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 326e14ee05db..243ee8a0bd18 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -15,6 +15,7 @@ #include <linux/errno.h> #include <linux/ethtool.h> #include <linux/netdevice.h> +#include <linux/netdev_features_helper.h> #include <linux/net_tstamp.h> #include <linux/phy.h> #include <linux/bitops.h> @@ -288,9 +289,13 @@ static int ethtool_set_one_feature(struct net_device *dev, #define ETH_ALL_FLAGS (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \ ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH) -#define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_CTAG_RX | \ - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_NTUPLE | \ - NETIF_F_RXHASH) + +DECLARE_NETDEV_FEATURE_SET(ethtool_all_feature_set, + NETIF_F_LRO_BIT, + NETIF_F_HW_VLAN_CTAG_RX_BIT, + NETIF_F_HW_VLAN_CTAG_TX_BIT, + NETIF_F_NTUPLE_BIT, + NETIF_F_RXHASH_BIT); static u32 __ethtool_get_flags(struct net_device *dev) { @@ -313,6 +318,7 @@ static u32 __ethtool_get_flags(struct net_device *dev) static int __ethtool_set_flags(struct net_device *dev, u32 data) { netdev_features_t features = 0, changed; + netdev_features_t eth_all_features; if (data & ~ETH_ALL_FLAGS) return -EINVAL; @@ -328,8 +334,11 @@ static int __ethtool_set_flags(struct net_device *dev, u32 data) if (data & ETH_FLAG_RXHASH) features |= NETIF_F_RXHASH; + netdev_features_zero(&eth_all_features); + netdev_features_set_array(&ethtool_all_feature_set, &eth_all_features); + /* allow changing only bits set in hw_features */ - changed = (features ^ dev->features) & ETH_ALL_FEATURES; + changed = (features ^ dev->features) & eth_all_features; if (changed & ~dev->hw_features) return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP;

[RFCv6,net-next,03/19] net: replace multiple feature bits with netdev features array

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