Currently, the driver sets default feature for netdev->features, netdev->hw_features, netdev->vlan_features and netdev->hw_enc_features separately. It's fussy, because most of the feature bits are same. So refine it by copy value from netdev->features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 62 +++++++------------------ 1 file changed, 16 insertions(+), 46 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index fcbeb1f..8072644 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -3127,11 +3127,6 @@ static void hns3_set_default_feature(struct net_device *netdev)

netdev->priv_flags |= IFF_UNICAST_FLT;

- netdev->hw_enc_features |= 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_TSO_MANGLEID | NETIF_F_FRAGLIST; - netdev->gso_partial_features |= NETIF_F_GSO_GRE_CSUM;

netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | @@ -3141,62 +3136,37 @@ static void hns3_set_default_feature(struct net_device *netdev) NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_UDP_TUNNEL | NETIF_F_SCTP_CRC | NETIF_F_FRAGLIST;

- netdev->vlan_features |= 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->hw_features |= 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; - if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) { - netdev->hw_features |= NETIF_F_GRO_HW; netdev->features |= NETIF_F_GRO_HW;

- if (!(h->flags & HNAE3_SUPPORT_VF)) { - netdev->hw_features |= NETIF_F_NTUPLE; + if (!(h->flags & HNAE3_SUPPORT_VF)) netdev->features |= NETIF_F_NTUPLE; - } }

- if (test_bit(HNAE3_DEV_SUPPORT_UDP_GSO_B, ae_dev->caps)) { - netdev->hw_features |= NETIF_F_GSO_UDP_L4; + if (test_bit(HNAE3_DEV_SUPPORT_UDP_GSO_B, ae_dev->caps)) netdev->features |= NETIF_F_GSO_UDP_L4; - netdev->vlan_features |= NETIF_F_GSO_UDP_L4; - netdev->hw_enc_features |= NETIF_F_GSO_UDP_L4; - }

- if (test_bit(HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, ae_dev->caps)) { - netdev->hw_features |= NETIF_F_HW_CSUM; + if (test_bit(HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, ae_dev->caps)) netdev->features |= NETIF_F_HW_CSUM; - netdev->vlan_features |= NETIF_F_HW_CSUM; - netdev->hw_enc_features |= NETIF_F_HW_CSUM; - } else { - netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + else netdev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - netdev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - netdev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - }

- if (test_bit(HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, ae_dev->caps)) { - netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM; + if (test_bit(HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B, ae_dev->caps)) netdev->features |= NETIF_F_GSO_UDP_TUNNEL_CSUM; - netdev->vlan_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM; - netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM; - }

- if (test_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, ae_dev->caps)) { - netdev->hw_features |= NETIF_F_HW_TC; + if (test_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, ae_dev->caps)) netdev->features |= NETIF_F_HW_TC; - }

- if (test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps)) - netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; + netdev->hw_features |= netdev->features; + 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->hw_enc_features |= netdev->vlan_features | NETIF_F_TSO_MANGLEID; }

static int hns3_alloc_buffer(struct hns3_enet_ring *ring,

For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of netdev_get_wanted_features for adaption.

Signed-off-by: Jian Shen shenjian15@huawei.com --- include/linux/netdevice.h | 6 +++--- net/core/dev.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index f96e31a..efea2d6 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -5004,10 +5004,10 @@ static inline void netdev_intersect_features(netdev_features_t *ret, *ret = f1 & f2; }

-static inline netdev_features_t netdev_get_wanted_features( - struct net_device *dev) +static inline void netdev_get_wanted_features(struct net_device *dev, + netdev_features_t *wanted) { - return (dev->features & ~dev->hw_features) | dev->wanted_features; + *wanted = (dev->features & ~dev->hw_features) | dev->wanted_features; } netdev_features_t netdev_increment_features(netdev_features_t all, netdev_features_t one, netdev_features_t mask); diff --git a/net/core/dev.c b/net/core/dev.c index dfd5fa9..abc6fb7 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -9927,7 +9927,7 @@ int __netdev_update_features(struct net_device *dev)

ASSERT_RTNL();

- features = netdev_get_wanted_features(dev); + netdev_get_wanted_features(dev, &features);

if (dev->netdev_ops->ndo_fix_features) features = dev->netdev_ops->ndo_fix_features(dev, features);

For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of harmonize_features for adaption.

Signed-off-by: Jian Shen shenjian15@huawei.com --- net/core/dev.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c index 487204d..9dd7421 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3455,22 +3455,19 @@ static void net_mpls_features(struct sk_buff *skb, netdev_features_t *features, } #endif

-static netdev_features_t harmonize_features(struct sk_buff *skb, - netdev_features_t features) +static void harmonize_features(struct sk_buff *skb, netdev_features_t *features) { __be16 type;

type = skb_network_protocol(skb, NULL); - net_mpls_features(skb, &features, type); + net_mpls_features(skb, features, type);

if (skb->ip_summed != CHECKSUM_NONE && - !can_checksum_protocol(features, type)) { - features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); + !can_checksum_protocol(*features, type)) { + *features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); } if (illegal_highdma(skb->dev, skb)) - features &= ~NETIF_F_SG; - - return features; + *features &= ~NETIF_F_SG; }

netdev_features_t passthru_features_check(struct sk_buff *skb, @@ -3552,7 +3549,8 @@ netdev_features_t netif_skb_features(struct sk_buff *skb) else features &= dflt_features_check(skb, dev, features);

- return harmonize_features(skb, features); + harmonize_features(skb, &features); + return features; } EXPORT_SYMBOL(netif_skb_features);

For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of vlan_features_check for adaption.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 2 +- drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 2 +- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 +- drivers/net/ethernet/emulex/benet/be_main.c | 2 +- drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 2 +- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 +- drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 2 +- drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 2 +- drivers/net/ethernet/realtek/8139cp.c | 3 ++- drivers/net/ethernet/realtek/r8169_main.c | 3 ++- drivers/net/usb/lan78xx.c | 2 +- drivers/s390/net/qeth_core_main.c | 3 ++- include/linux/if_vlan.h | 12 +++++------- net/core/dev.c | 3 ++- 14 files changed, 22 insertions(+), 20 deletions(-)

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index 17a585a..3fb15f6 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -2271,7 +2271,7 @@ static netdev_features_t xgbe_features_check(struct sk_buff *skb, struct net_device *netdev, netdev_features_t features) { - features = vlan_features_check(skb, features); + vlan_features_check(skb, &features); features = vxlan_features_check(skb, features);

return features; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 6d98134..5f67a9a 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -12907,7 +12907,7 @@ static netdev_features_t bnx2x_features_check(struct sk_buff *skb, !skb_gso_validate_mac_len(skb, 9700))) features &= ~NETIF_F_GSO_MASK;

- features = vlan_features_check(skb, features); + vlan_features_check(skb, &features); return vxlan_features_check(skb, features); }

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 865fcb8..af6bddf 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -11114,7 +11114,7 @@ static netdev_features_t bnxt_features_check(struct sk_buff *skb, struct bnxt *bp = netdev_priv(dev); u8 *l4_proto;

- features = vlan_features_check(skb, features); + vlan_features_check(skb, &features); switch (vlan_get_protocol(skb)) { case htons(ETH_P_IP): if (!skb->encapsulation) diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 361c1c8..556242d 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -5092,7 +5092,7 @@ static netdev_features_t be_features_check(struct sk_buff *skb, * Q-in-Q packets. * Offload features for normal (non tunnel) packets are unchanged. */ - features = vlan_features_check(skb, features); + vlan_features_check(skb, &features); if (!skb->encapsulation || !(adapter->flags & BE_FLAGS_VXLAN_OFFLOADS)) return features; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index a2f61a8..c51bd5d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2664,7 +2664,7 @@ static netdev_features_t mlx4_en_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features) { - features = vlan_features_check(skb, features); + vlan_features_check(skb, &features); features = vxlan_features_check(skb, features);

/* The ConnectX-3 doesn't support outer IPv6 checksums but it does diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index ccc569c..6c0fc8d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3820,7 +3820,7 @@ netdev_features_t mlx5e_features_check(struct sk_buff *skb, { struct mlx5e_priv *priv = netdev_priv(netdev);

- features = vlan_features_check(skb, features); + vlan_features_check(skb, &features); features = vxlan_features_check(skb, features);

/* Validate if the tunneled packet is being offloaded by HW */ diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 5bfa22a..58e7d98 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -3605,7 +3605,7 @@ nfp_net_features_check(struct sk_buff *skb, struct net_device *dev, u8 l4_hdr;

/* We can't do TSO over double tagged packets (802.1AD) */ - features &= vlan_features_check(skb, features); + vlan_features_check(skb, &features);

if (!skb->encapsulation) return features; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index a4fa5079..4b13db3 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -496,7 +496,7 @@ static netdev_features_t qlcnic_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features) { - features = vlan_features_check(skb, features); + vlan_features_check(skb, &features); return vxlan_features_check(skb, features); }

diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index edc6190..276a158 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -1860,7 +1860,8 @@ static netdev_features_t cp_features_check(struct sk_buff *skb, if (skb_shinfo(skb)->gso_size > MSSMask) features &= ~NETIF_F_TSO;

- return vlan_features_check(skb, features); + vlan_features_check(skb, &features); + return features; } static const struct net_device_ops cp_netdev_ops = { .ndo_open = cp_open, diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index fa2dab6..d48e589 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -4379,7 +4379,8 @@ static netdev_features_t rtl8169_features_check(struct sk_buff *skb, features &= ~NETIF_F_CSUM_MASK; }

- return vlan_features_check(skb, features); + vlan_features_check(skb, &features); + return features; }

static void rtl8169_pcierr_interrupt(struct net_device *dev) diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 4e8d3c2..e536d96 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -3595,7 +3595,7 @@ static netdev_features_t lan78xx_features_check(struct sk_buff *skb, if (skb->len + TX_OVERHEAD > MAX_SINGLE_PACKET_SIZE) features &= ~NETIF_F_GSO_MASK;

- features = vlan_features_check(skb, features); + vlan_features_check(skb, &features); features = vxlan_features_check(skb, features);

return features; diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 5b973f3..1a7bb6f 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -7006,7 +7006,8 @@ netdev_features_t qeth_features_check(struct sk_buff *skb, features &= ~NETIF_F_SG; }

- return vlan_features_check(skb, features); + vlan_features_check(skb, &features); + return features; } EXPORT_SYMBOL_GPL(qeth_features_check);

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 41a5183..2337538 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -727,8 +727,8 @@ static inline bool skb_vlan_tagged_multi(struct sk_buff *skb) * * Returns features without unsafe ones if the skb has multiple tags. */ -static inline netdev_features_t vlan_features_check(struct sk_buff *skb, - netdev_features_t features) +static inline void vlan_features_check(struct sk_buff *skb, + netdev_features_t *features) { if (skb_vlan_tagged_multi(skb)) { /* In the case of multi-tagged packets, use a direct mask @@ -736,12 +736,10 @@ static inline netdev_features_t vlan_features_check(struct sk_buff *skb, * sure that only devices supporting NETIF_F_HW_CSUM will * have checksum offloading support. */ - features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | - NETIF_F_FRAGLIST | NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX; + *features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | + NETIF_F_FRAGLIST | NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX; } - - return features; }

/** diff --git a/net/core/dev.c b/net/core/dev.c index 4e553d4..78466c8 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3482,7 +3482,8 @@ static netdev_features_t dflt_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features) { - return vlan_features_check(skb, features); + vlan_features_check(skb, &features); + return features; }

static void gso_features_check(const struct sk_buff *skb,

For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of dflt_features_check for adaption.

Signed-off-by: Jian Shen shenjian15@huawei.com --- net/core/dev.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c index 78466c8..31ab16b 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3478,12 +3478,11 @@ netdev_features_t passthru_features_check(struct sk_buff *skb, } EXPORT_SYMBOL(passthru_features_check);

-static netdev_features_t dflt_features_check(struct sk_buff *skb, - struct net_device *dev, - netdev_features_t features) +static void dflt_features_check(struct sk_buff *skb, + struct net_device *dev, + netdev_features_t *features) { - vlan_features_check(skb, &features); - return features; + vlan_features_check(skb, features); }

static void gso_features_check(const struct sk_buff *skb, @@ -3549,7 +3548,7 @@ netdev_features_t netif_skb_features(struct sk_buff *skb) features &= dev->netdev_ops->ndo_features_check(skb, dev, features); else - features &= dflt_features_check(skb, dev, features); + dflt_features_check(skb, dev, &features);

harmonize_features(skb, &features); return features;

For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of netif_skb_features for adaption.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/xen-netfront.c | 9 +++++++-- include/linux/netdevice.h | 2 +- net/core/dev.c | 20 ++++++++++---------- net/core/netpoll.c | 2 +- net/ipv4/ip_output.c | 2 +- net/ipv6/ip6_output.c | 2 +- net/sched/sch_cake.c | 3 ++- net/sched/sch_netem.c | 3 ++- net/sched/sch_taprio.c | 3 ++- net/sched/sch_tbf.c | 3 ++- 10 files changed, 29 insertions(+), 20 deletions(-)

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 4427590..a8c2d41 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -648,6 +648,7 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev unsigned long flags; struct netfront_queue *queue = NULL; unsigned int num_queues = dev->real_num_tx_queues; + netdev_features_t features; u16 queue_index; struct sk_buff *nskb;

@@ -697,8 +698,12 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev spin_lock_irqsave(&queue->tx_lock, flags);

if (unlikely(!netif_carrier_ok(dev) || - (slots > 1 && !xennet_can_sg(dev)) || - netif_needs_gso(skb, netif_skb_features(skb)))) { + (slots > 1 && !xennet_can_sg(dev)))) { + spin_unlock_irqrestore(&queue->tx_lock, flags); + goto drop; + } + netif_skb_features(skb, &features); + if (unlikely(netif_needs_gso(skb, features))) { spin_unlock_irqrestore(&queue->tx_lock, flags); goto drop; } diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index aa3ca93..842b29ee 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -5031,7 +5031,7 @@ void netif_stacked_transfer_operstate(const struct net_device *rootdev,

void passthru_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t *features); -netdev_features_t netif_skb_features(struct sk_buff *skb); +void netif_skb_features(struct sk_buff *skb, netdev_features_t *features);

static inline bool net_gso_ok(netdev_features_t features, int gso_type) { diff --git a/net/core/dev.c b/net/core/dev.c index a084a19..e7719c2 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3521,34 +3521,34 @@ static void gso_features_check(const struct sk_buff *skb, } }

-netdev_features_t netif_skb_features(struct sk_buff *skb) +void netif_skb_features(struct sk_buff *skb, netdev_features_t *features) { struct net_device *dev = skb->dev; - netdev_features_t features = dev->features; + + *features = dev->features;

if (skb_is_gso(skb)) - gso_features_check(skb, dev, &features); + gso_features_check(skb, dev, features);

/* If encapsulation offload request, verify we are testing * hardware encapsulation features instead of standard * features for the netdev */ if (skb->encapsulation) - features &= dev->hw_enc_features; + *features &= dev->hw_enc_features;

if (skb_vlan_tagged(skb)) - netdev_intersect_features(&features, features, + netdev_intersect_features(features, *features, dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX);

if (dev->netdev_ops->ndo_features_check) - dev->netdev_ops->ndo_features_check(skb, dev, &features); + dev->netdev_ops->ndo_features_check(skb, dev, features); else - dflt_features_check(skb, dev, &features); + dflt_features_check(skb, dev, features);

- harmonize_features(skb, &features); - return features; + harmonize_features(skb, features); } EXPORT_SYMBOL(netif_skb_features);

@@ -3633,7 +3633,7 @@ static struct sk_buff *validate_xmit_skb(struct sk_buff *skb, struct net_device { netdev_features_t features;

- features = netif_skb_features(skb); + netif_skb_features(skb, &features); skb = validate_xmit_vlan(skb, features); if (unlikely(!skb)) goto out_null; diff --git a/net/core/netpoll.c b/net/core/netpoll.c index edfc0f8..d2fc92b 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -77,7 +77,7 @@ static netdev_tx_t netpoll_start_xmit(struct sk_buff *skb, netdev_tx_t status = NETDEV_TX_OK; netdev_features_t features;

- features = netif_skb_features(skb); + netif_skb_features(skb, &features);

if (skb_vlan_tag_present(skb) && !vlan_hw_offload_capable(features, skb->vlan_proto)) { diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 6b04a88..e458f1f 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -255,7 +255,7 @@ static int ip_finish_output_gso(struct net *net, struct sock *sk, * bridged to a NETIF_F_TSO tunnel stacked over an interface with an * insufficient MTU. */ - features = netif_skb_features(skb); + netif_skb_features(skb, &features); BUILD_BUG_ON(sizeof(*IPCB(skb)) > SKB_GSO_CB_OFFSET); segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK); if (IS_ERR_OR_NULL(segs)) { diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 12f985f..46a0867 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -146,7 +146,7 @@ ip6_finish_output_gso_slowpath_drop(struct net *net, struct sock *sk, * describing the cases where GSO segment length exceeds the * egress MTU. */ - features = netif_skb_features(skb); + netif_skb_features(skb, &features); segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK); if (IS_ERR_OR_NULL(segs)) { kfree_skb(skb); diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c index ecc5c4d..0808569 100644 --- a/net/sched/sch_cake.c +++ b/net/sched/sch_cake.c @@ -1740,9 +1740,10 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,

if (skb_is_gso(skb) && q->rate_flags & CAKE_FLAG_SPLIT_GSO) { struct sk_buff *segs, *nskb; - netdev_features_t features = netif_skb_features(skb); + netdev_features_t features; unsigned int slen = 0, numsegs = 0;

+ netif_skb_features(skb, &features); segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK); if (IS_ERR_OR_NULL(segs)) return qdisc_drop(skb, sch, to_free); diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 0c345e4..414d57e 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -413,8 +413,9 @@ static struct sk_buff *netem_segment(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free) { struct sk_buff *segs; - netdev_features_t features = netif_skb_features(skb); + netdev_features_t features;

+ netif_skb_features(skb, &features); segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);

if (IS_ERR_OR_NULL(segs)) { diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 9c79374..a4073c4 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -453,10 +453,11 @@ static int taprio_enqueue(struct sk_buff *skb, struct Qdisc *sch, */ if (skb_is_gso(skb) && !FULL_OFFLOAD_IS_ENABLED(q->flags)) { unsigned int slen = 0, numsegs = 0, len = qdisc_pkt_len(skb); - netdev_features_t features = netif_skb_features(skb); + netdev_features_t features; struct sk_buff *segs, *nskb; int ret;

+ netif_skb_features(skb, &features); segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK); if (IS_ERR_OR_NULL(segs)) return qdisc_drop(skb, sch, to_free); diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index 78e7902..99e6d726 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -192,10 +192,11 @@ static int tbf_segment(struct sk_buff *skb, struct Qdisc *sch, { struct tbf_sched_data *q = qdisc_priv(sch); struct sk_buff *segs, *nskb; - netdev_features_t features = netif_skb_features(skb); + netdev_features_t features; unsigned int len = 0, prev_len = qdisc_pkt_len(skb); int ret, nb;

+ netif_skb_features(skb, &features); segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);

if (IS_ERR_OR_NULL(segs))

For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of netdev_fix_features for adaption.

Signed-off-by: Jian Shen shenjian15@huawei.com --- net/core/dev.c | 78 ++++++++++++++++++++++++++++------------------------------ 1 file changed, 38 insertions(+), 40 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c index ac1ab4b..fe0524d 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -9814,99 +9814,97 @@ static void netdev_sync_lower_features(struct net_device *upper, } }

-static netdev_features_t netdev_fix_features(struct net_device *dev, - netdev_features_t features) +static void netdev_fix_features(struct net_device *dev, + netdev_features_t *features) { /* Fix illegal checksum combinations */ - if ((features & NETIF_F_HW_CSUM) && - (features & (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM))) { + if ((*features & NETIF_F_HW_CSUM) && + (*features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM))) { netdev_warn(dev, "mixed HW and IP checksum settings.\n"); - features &= ~(NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM); + *features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); }

/* TSO requires that SG is present as well. */ - if ((features & NETIF_F_ALL_TSO) && !(features & NETIF_F_SG)) { + if ((*features & NETIF_F_ALL_TSO) && !(*features & NETIF_F_SG)) { netdev_dbg(dev, "Dropping TSO features since no SG feature.\n"); - features &= ~NETIF_F_ALL_TSO; + *features &= ~NETIF_F_ALL_TSO; }

- if ((features & NETIF_F_TSO) && !(features & NETIF_F_HW_CSUM) && - !(features & NETIF_F_IP_CSUM)) { + if ((*features & NETIF_F_TSO) && !(*features & NETIF_F_HW_CSUM) && + !(*features & NETIF_F_IP_CSUM)) { netdev_dbg(dev, "Dropping TSO features since no CSUM feature.\n"); - features &= ~NETIF_F_TSO; - features &= ~NETIF_F_TSO_ECN; + *features &= ~NETIF_F_TSO; + *features &= ~NETIF_F_TSO_ECN; }

- if ((features & NETIF_F_TSO6) && !(features & NETIF_F_HW_CSUM) && - !(features & NETIF_F_IPV6_CSUM)) { + if ((*features & NETIF_F_TSO6) && !(*features & NETIF_F_HW_CSUM) && + !(*features & NETIF_F_IPV6_CSUM)) { netdev_dbg(dev, "Dropping TSO6 features since no CSUM feature.\n"); - features &= ~NETIF_F_TSO6; + *features &= ~NETIF_F_TSO6; }

/* TSO with IPv4 ID mangling requires IPv4 TSO be enabled */ - if ((features & NETIF_F_TSO_MANGLEID) && !(features & NETIF_F_TSO)) - features &= ~NETIF_F_TSO_MANGLEID; + if ((*features & NETIF_F_TSO_MANGLEID) && !(*features & NETIF_F_TSO)) + *features &= ~NETIF_F_TSO_MANGLEID;

/* TSO ECN requires that TSO is present as well. */ - if ((features & NETIF_F_ALL_TSO) == NETIF_F_TSO_ECN) - features &= ~NETIF_F_TSO_ECN; + if ((*features & NETIF_F_ALL_TSO) == NETIF_F_TSO_ECN) + *features &= ~NETIF_F_TSO_ECN;

/* Software GSO depends on SG. */ - if ((features & NETIF_F_GSO) && !(features & NETIF_F_SG)) { + if ((*features & NETIF_F_GSO) && !(*features & NETIF_F_SG)) { netdev_dbg(dev, "Dropping NETIF_F_GSO since no SG feature.\n"); - features &= ~NETIF_F_GSO; + *features &= ~NETIF_F_GSO; }

/* GSO partial features require GSO partial be set */ - if ((features & dev->gso_partial_features) && - !(features & NETIF_F_GSO_PARTIAL)) { + if ((*features & dev->gso_partial_features) && + !(*features & NETIF_F_GSO_PARTIAL)) { netdev_dbg(dev, "Dropping partially supported GSO features since no GSO partial.\n"); - features &= ~dev->gso_partial_features; + *features &= ~dev->gso_partial_features; }

- if (!(features & NETIF_F_RXCSUM)) { + if (!(*features & NETIF_F_RXCSUM)) { /* NETIF_F_GRO_HW implies doing RXCSUM since every packet * successfully merged by hardware must also have the * checksum verified by hardware. If the user does not * want to enable RXCSUM, logically, we should disable GRO_HW. */ - if (features & NETIF_F_GRO_HW) { + if (*features & NETIF_F_GRO_HW) { netdev_dbg(dev, "Dropping NETIF_F_GRO_HW since no RXCSUM feature.\n"); - features &= ~NETIF_F_GRO_HW; + *features &= ~NETIF_F_GRO_HW; } }

/* LRO/HW-GRO features cannot be combined with RX-FCS */ - if (features & NETIF_F_RXFCS) { - if (features & NETIF_F_LRO) { + if (*features & NETIF_F_RXFCS) { + if (*features & NETIF_F_LRO) { netdev_dbg(dev, "Dropping LRO feature since RX-FCS is requested.\n"); - features &= ~NETIF_F_LRO; + *features &= ~NETIF_F_LRO; }

- if (features & NETIF_F_GRO_HW) { + if (*features & NETIF_F_GRO_HW) { netdev_dbg(dev, "Dropping HW-GRO feature since RX-FCS is requested.\n"); - features &= ~NETIF_F_GRO_HW; + *features &= ~NETIF_F_GRO_HW; } }

- if (features & NETIF_F_HW_TLS_TX) { - bool ip_csum = (features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) == + if (*features & NETIF_F_HW_TLS_TX) { + bool ip_csum = (*features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) == (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); - bool hw_csum = features & NETIF_F_HW_CSUM; + bool hw_csum = *features & NETIF_F_HW_CSUM;

if (!ip_csum && !hw_csum) { netdev_dbg(dev, "Dropping TLS TX HW offload feature since no CSUM feature.\n"); - features &= ~NETIF_F_HW_TLS_TX; + *features &= ~NETIF_F_HW_TLS_TX; } }

- if ((features & NETIF_F_HW_TLS_RX) && !(features & NETIF_F_RXCSUM)) { + if ((*features & NETIF_F_HW_TLS_RX) && !(*features & NETIF_F_RXCSUM)) { netdev_dbg(dev, "Dropping TLS RX HW offload feature since no RXCSUM feature.\n"); - features &= ~NETIF_F_HW_TLS_RX; + *features &= ~NETIF_F_HW_TLS_RX; } - - return features; }

int __netdev_update_features(struct net_device *dev) @@ -9924,7 +9922,7 @@ int __netdev_update_features(struct net_device *dev) dev->netdev_ops->ndo_fix_features(dev, &features);

/* driver might be less strict about feature dependencies */ - features = netdev_fix_features(dev, features); + netdev_fix_features(dev, &features);

/* some features can't be enabled if they're off on an upper device */ netdev_for_each_upper_dev_rcu(dev, upper, iter)

For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of br_features_recompute for adaption.

Signed-off-by: Jian Shen shenjian15@huawei.com --- net/bridge/br_device.c | 2 +- net/bridge/br_if.c | 17 +++++++---------- net/bridge/br_private.h | 3 +-- 3 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 622559a..fc508b9 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -292,7 +292,7 @@ static void br_fix_features(struct net_device *dev, netdev_features_t *features) { struct net_bridge *br = netdev_priv(dev);

- *features = br_features_recompute(br, *features); + br_features_recompute(br, features); }

#ifdef CONFIG_NET_POLL_CONTROLLER diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 67c60240..321e2b4 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -532,25 +532,22 @@ static void br_set_gso_limits(struct net_bridge *br) /* * Recomputes features using slave's features */ -netdev_features_t br_features_recompute(struct net_bridge *br, - netdev_features_t features) +void br_features_recompute(struct net_bridge *br, netdev_features_t *features) { struct net_bridge_port *p; netdev_features_t mask;

if (list_empty(&br->port_list)) - return features; + return;

- mask = features; - features &= ~NETIF_F_ONE_FOR_ALL; + mask = *features; + *features &= ~NETIF_F_ONE_FOR_ALL;

list_for_each_entry(p, &br->port_list, list) { - features = netdev_increment_features(features, - p->dev->features, mask); + *features = netdev_increment_features(*features, + p->dev->features, mask); } - features = netdev_add_tso_features(features, mask); - - return features; + *features = netdev_add_tso_features(*features, mask); }

/* called with RTNL */ diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 51991f1..241361c 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -809,8 +809,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev, struct netlink_ext_ack *extack); int br_del_if(struct net_bridge *br, struct net_device *dev); void br_mtu_auto_adjust(struct net_bridge *br); -netdev_features_t br_features_recompute(struct net_bridge *br, - netdev_features_t features); +void br_features_recompute(struct net_bridge *br, netdev_features_t *features); void br_port_flags_change(struct net_bridge_port *port, unsigned long mask); void br_manage_promisc(struct net_bridge *br); int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev);

For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of netdev_increment_features for adaption.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/bonding/bond_main.c | 28 ++++++++++++++-------------- drivers/net/ipvlan/ipvlan_main.c | 4 ++-- drivers/net/macvlan.c | 2 +- drivers/net/net_failover.c | 28 ++++++++++++---------------- drivers/net/team/team.c | 19 ++++++++----------- include/linux/netdevice.h | 6 +++--- net/bridge/br_if.c | 4 ++-- net/core/dev.c | 7 ++++--- net/hsr/hsr_device.c | 5 ++--- 9 files changed, 48 insertions(+), 55 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 6999a8c..3f1554c 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1376,9 +1376,8 @@ static void bond_fix_features(struct net_device *dev, *features |= NETIF_F_ALL_FOR_ALL;

bond_for_each_slave(bond, slave, iter) { - *features = netdev_increment_features(*features, - slave->dev->features, - mask); + netdev_increment_features(features, *features, + slave->dev->features, mask); } netdev_add_tso_features(features, mask); } @@ -1417,22 +1416,23 @@ static void bond_compute_features(struct bonding *bond) mpls_features &= NETIF_F_ALL_FOR_ALL;

bond_for_each_slave(bond, slave, iter) { - vlan_features = netdev_increment_features(vlan_features, - slave->dev->vlan_features, BOND_VLAN_FEATURES); + netdev_increment_features(&vlan_features, vlan_features, + slave->dev->vlan_features, + BOND_VLAN_FEATURES);

- enc_features = netdev_increment_features(enc_features, - slave->dev->hw_enc_features, - BOND_ENC_FEATURES); + netdev_increment_features(&enc_features, enc_features, + slave->dev->hw_enc_features, + BOND_ENC_FEATURES);

#ifdef CONFIG_XFRM_OFFLOAD - xfrm_features = netdev_increment_features(xfrm_features, - slave->dev->hw_enc_features, - BOND_XFRM_FEATURES); + netdev_increment_features(&xfrm_features, xfrm_features, + slave->dev->hw_enc_features, + BOND_XFRM_FEATURES); #endif /* CONFIG_XFRM_OFFLOAD */

- mpls_features = netdev_increment_features(mpls_features, - slave->dev->mpls_features, - BOND_MPLS_FEATURES); + netdev_increment_features(&mpls_features, mpls_features, + slave->dev->mpls_features, + BOND_MPLS_FEATURES);

dst_release_flag &= slave->dev->priv_flags; if (slave->dev->hard_header_len > max_hard_header_len) diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index 8fcc91c..6a0b7bd 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -242,8 +242,8 @@ static void ipvlan_fix_features(struct net_device *dev,

*features |= NETIF_F_ALL_FOR_ALL; *features &= (ipvlan->sfeatures | ~IPVLAN_FEATURES); - *features = netdev_increment_features(ipvlan->phy_dev->features, - *features, *features); + netdev_increment_features(features, ipvlan->phy_dev->features, + *features, *features); *features |= IPVLAN_ALWAYS_ON; *features &= (IPVLAN_FEATURES | IPVLAN_ALWAYS_ON); } diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 27cd9c0..3c408653 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -1079,7 +1079,7 @@ static void macvlan_fix_features(struct net_device *dev, mask = *features;

lowerdev_features &= (*features | ~NETIF_F_LRO); - *features = netdev_increment_features(lowerdev_features, *features, mask); + netdev_increment_features(features, lowerdev_features, *features, mask); *features |= ALWAYS_ON_FEATURES; *features &= (ALWAYS_ON_FEATURES | MACVLAN_FEATURES); } diff --git a/drivers/net/net_failover.c b/drivers/net/net_failover.c index 2a48924..878cad2 100644 --- a/drivers/net/net_failover.c +++ b/drivers/net/net_failover.c @@ -390,14 +390,12 @@ static void net_failover_compute_features(struct net_device *dev)

primary_dev = rcu_dereference(nfo_info->primary_dev); if (primary_dev) { - vlan_features = - netdev_increment_features(vlan_features, - primary_dev->vlan_features, - FAILOVER_VLAN_FEATURES); - enc_features = - netdev_increment_features(enc_features, - primary_dev->hw_enc_features, - FAILOVER_ENC_FEATURES); + netdev_increment_features(&vlan_features, vlan_features, + primary_dev->vlan_features, + FAILOVER_VLAN_FEATURES); + netdev_increment_features(&enc_features, enc_features, + primary_dev->hw_enc_features, + FAILOVER_ENC_FEATURES);

dst_release_flag &= primary_dev->priv_flags; if (primary_dev->hard_header_len > max_hard_header_len) @@ -406,14 +404,12 @@ static void net_failover_compute_features(struct net_device *dev)

standby_dev = rcu_dereference(nfo_info->standby_dev); if (standby_dev) { - vlan_features = - netdev_increment_features(vlan_features, - standby_dev->vlan_features, - FAILOVER_VLAN_FEATURES); - enc_features = - netdev_increment_features(enc_features, - standby_dev->hw_enc_features, - FAILOVER_ENC_FEATURES); + netdev_increment_features(&vlan_features, vlan_features, + standby_dev->vlan_features, + FAILOVER_VLAN_FEATURES); + netdev_increment_features(&enc_features, enc_features, + standby_dev->hw_enc_features, + FAILOVER_ENC_FEATURES);

dst_release_flag &= standby_dev->priv_flags; if (standby_dev->hard_header_len > max_hard_header_len) diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 706572b..fa96ee6 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -994,14 +994,12 @@ static void __team_compute_features(struct team *team)

rcu_read_lock(); list_for_each_entry_rcu(port, &team->port_list, list) { - vlan_features = netdev_increment_features(vlan_features, - port->dev->vlan_features, - TEAM_VLAN_FEATURES); - enc_features = - netdev_increment_features(enc_features, - port->dev->hw_enc_features, - TEAM_ENC_FEATURES); - + netdev_increment_features(&vlan_features, vlan_features, + port->dev->vlan_features, + TEAM_VLAN_FEATURES); + netdev_increment_features(&enc_features, enc_features, + port->dev->hw_enc_features, + TEAM_ENC_FEATURES);

dst_release_flag &= port->dev->priv_flags; if (port->dev->hard_header_len > max_hard_header_len) @@ -2008,9 +2006,8 @@ static void team_fix_features(struct net_device *dev,

rcu_read_lock(); list_for_each_entry_rcu(port, &team->port_list, list) { - *features = netdev_increment_features(*features, - port->dev->features, - mask); + netdev_increment_features(features, *features, + port->dev->features, mask); } rcu_read_unlock();

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 355526f..a82fc87 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -5009,8 +5009,8 @@ static inline void netdev_get_wanted_features(struct net_device *dev, { *wanted = (dev->features & ~dev->hw_features) | dev->wanted_features; } -netdev_features_t netdev_increment_features(netdev_features_t all, - netdev_features_t one, netdev_features_t mask); +void netdev_increment_features(netdev_features_t *ret, netdev_features_t all, + netdev_features_t one, netdev_features_t mask);

/* Allow TSO being used on stacked device : * Performing the GSO segmentation before last device @@ -5019,7 +5019,7 @@ netdev_features_t netdev_increment_features(netdev_features_t all, static inline void netdev_add_tso_features(netdev_features_t *features, netdev_features_t mask) { - *features = netdev_increment_features(*features, NETIF_F_ALL_TSO, mask); + netdev_increment_features(features, *features, NETIF_F_ALL_TSO, mask); }

int __netdev_update_features(struct net_device *dev); diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 7f9d65a..be64802 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -544,8 +544,8 @@ void br_features_recompute(struct net_bridge *br, netdev_features_t *features) *features &= ~NETIF_F_ONE_FOR_ALL;

list_for_each_entry(p, &br->port_list, list) { - *features = netdev_increment_features(*features, - p->dev->features, mask); + netdev_increment_features(features, *features, p->dev->features, + mask); } netdev_add_tso_features(features, mask); } diff --git a/net/core/dev.c b/net/core/dev.c index b7632f0..7f08594 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -11299,6 +11299,7 @@ static int dev_cpu_dead(unsigned int oldcpu)

/** * netdev_increment_features - increment feature set by one + * @ret: result feature set * @all: current feature set * @one: new feature set * @mask: mask feature set @@ -11307,8 +11308,8 @@ static int dev_cpu_dead(unsigned int oldcpu) * @one to the master device with current feature set @all. Will not * enable anything that is off in @mask. Returns the new feature set. */ -netdev_features_t netdev_increment_features(netdev_features_t all, - netdev_features_t one, netdev_features_t mask) +void netdev_increment_features(netdev_features_t *ret, netdev_features_t all, + netdev_features_t one, netdev_features_t mask) { if (mask & NETIF_F_HW_CSUM) mask |= NETIF_F_CSUM_MASK; @@ -11321,7 +11322,7 @@ netdev_features_t netdev_increment_features(netdev_features_t all, if (all & NETIF_F_HW_CSUM) all &= ~(NETIF_F_CSUM_MASK & ~NETIF_F_HW_CSUM);

- return all; + *ret = all; } EXPORT_SYMBOL(netdev_increment_features);

diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c index acaf48a..16e0efd 100644 --- a/net/hsr/hsr_device.c +++ b/net/hsr/hsr_device.c @@ -194,9 +194,8 @@ static netdev_features_t hsr_features_recompute(struct hsr_priv *hsr, */ features &= ~NETIF_F_ONE_FOR_ALL; hsr_for_each_port(hsr, port) - features = netdev_increment_features(features, - port->dev->features, - mask); + netdev_increment_features(&features, features, + port->dev->features, mask);

return features; }

For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of mlx5e_tunnel_features_check, mlx5e_ipsec_feature_check and mlx5e_fix_uplink_rep_features for adaption.

Signed-off-by: Jian Shen shenjian15@huawei.com --- .../mellanox/mlx5/core/en_accel/ipsec_rxtx.h | 15 +++++----- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 34 ++++++++++------------ 2 files changed, 23 insertions(+), 26 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h index 5120a59..62ab97c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h @@ -93,8 +93,8 @@ static inline bool mlx5e_ipsec_eseg_meta(struct mlx5_wqe_eth_seg *eseg) void mlx5e_ipsec_tx_build_eseg(struct mlx5e_priv *priv, struct sk_buff *skb, struct mlx5_wqe_eth_seg *eseg);

-static inline netdev_features_t -mlx5e_ipsec_feature_check(struct sk_buff *skb, netdev_features_t features) +static inline void +mlx5e_ipsec_feature_check(struct sk_buff *skb, netdev_features_t *features) { struct xfrm_offload *xo = xfrm_offload(skb); struct sec_path *sp = skb_sec_path(skb); @@ -118,13 +118,12 @@ mlx5e_ipsec_feature_check(struct sk_buff *skb, netdev_features_t features) goto out_disable; }

- return features; - + return; }

/* Disable CSUM and GSO for software IPsec */ out_disable: - return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); + *features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); }

#else @@ -140,9 +139,9 @@ static inline bool mlx5e_ipsec_eseg_meta(struct mlx5_wqe_eth_seg *eseg) }

static inline bool mlx5_ipsec_is_rx_flow(struct mlx5_cqe64 *cqe) { return false; } -static inline netdev_features_t -mlx5e_ipsec_feature_check(struct sk_buff *skb, netdev_features_t features) -{ return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); } +static inline void +mlx5e_ipsec_feature_check(struct sk_buff *skb, netdev_features_t *features) +{ *features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); } #endif /* CONFIG_MLX5_EN_IPSEC */

#endif /* __MLX5E_IPSEC_RXTX_H__ */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index d8c82d3..e70e8c5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3289,22 +3289,20 @@ int mlx5e_set_features(struct net_device *netdev, netdev_features_t features) return 0; }

-static netdev_features_t mlx5e_fix_uplink_rep_features(struct net_device *netdev, - netdev_features_t features) +static void mlx5e_fix_uplink_rep_features(struct net_device *netdev, + netdev_features_t *features) { - features &= ~NETIF_F_HW_TLS_RX; + *features &= ~NETIF_F_HW_TLS_RX; if (netdev->features & NETIF_F_HW_TLS_RX) netdev_warn(netdev, "Disabling hw_tls_rx, not supported in switchdev mode\n");

- features &= ~NETIF_F_HW_TLS_TX; + *features &= ~NETIF_F_HW_TLS_TX; if (netdev->features & NETIF_F_HW_TLS_TX) netdev_warn(netdev, "Disabling hw_tls_tx, not supported in switchdev mode\n");

- features &= ~NETIF_F_NTUPLE; + *features &= ~NETIF_F_NTUPLE; if (netdev->features & NETIF_F_NTUPLE) netdev_warn(netdev, "Disabling ntuple, not supported in switchdev mode\n"); - - return features; }

static void mlx5e_fix_features(struct net_device *netdev, @@ -3339,7 +3337,7 @@ static void mlx5e_fix_features(struct net_device *netdev, }

if (mlx5e_is_uplink_rep(priv)) - features = mlx5e_fix_uplink_rep_features(netdev, features); + mlx5e_fix_uplink_rep_features(netdev, &features);

mutex_unlock(&priv->state_lock); } @@ -3757,9 +3755,9 @@ static bool mlx5e_gre_tunnel_inner_proto_offload_supported(struct mlx5_core_dev return false; }

-static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv, - struct sk_buff *skb, - netdev_features_t features) +static void mlx5e_tunnel_features_check(struct mlx5e_priv *priv, + struct sk_buff *skb, + netdev_features_t *features) { unsigned int offset = 0; struct udphdr *udph; @@ -3780,12 +3778,12 @@ static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv, switch (proto) { case IPPROTO_GRE: if (mlx5e_gre_tunnel_inner_proto_offload_supported(priv->mdev, skb)) - return features; + return; break; case IPPROTO_IPIP: case IPPROTO_IPV6: if (mlx5e_tunnel_proto_supported_tx(priv->mdev, IPPROTO_IPIP)) - return features; + return; break; case IPPROTO_UDP: udph = udp_hdr(skb); @@ -3793,23 +3791,23 @@ static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv,

/* Verify if UDP port is being offloaded by HW */ if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, port)) - return features; + return;

#if IS_ENABLED(CONFIG_GENEVE) /* Support Geneve offload for default UDP port */ if (port == GENEVE_UDP_PORT && mlx5_geneve_tx_allowed(priv->mdev)) - return features; + return; #endif break; #ifdef CONFIG_MLX5_EN_IPSEC case IPPROTO_ESP: - return mlx5e_ipsec_feature_check(skb, features); + mlx5e_ipsec_feature_check(skb, *features); #endif }

out: /* Disable CSUM and GSO if the udp dport is not offloaded by HW */ - return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); + *features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); }

void mlx5e_features_check(struct sk_buff *skb, struct net_device *netdev, @@ -3823,7 +3821,7 @@ void mlx5e_features_check(struct sk_buff *skb, struct net_device *netdev, /* Validate if the tunneled packet is being offloaded by HW */ if (skb->encapsulation && (*features & NETIF_F_CSUM_MASK || *features & NETIF_F_GSO_MASK)) - *features = mlx5e_tunnel_features_check(priv, skb, *features); + mlx5e_tunnel_features_check(priv, skb, features); }

static void mlx5e_tx_timeout_work(struct work_struct *work)

For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of qlcnic_process_flags for adaption.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c index e6ed7f8..2367923 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c @@ -1020,37 +1020,35 @@ int qlcnic_change_mtu(struct net_device *netdev, int mtu) return rc; }

-static netdev_features_t qlcnic_process_flags(struct qlcnic_adapter *adapter, - netdev_features_t features) +static void qlcnic_process_flags(struct qlcnic_adapter *adapter, + netdev_features_t *features) { u32 offload_flags = adapter->offload_flags;

if (offload_flags & BIT_0) { - features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | - NETIF_F_IPV6_CSUM; + *features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM; adapter->rx_csum = 1; if (QLCNIC_IS_TSO_CAPABLE(adapter)) { if (!(offload_flags & BIT_1)) - features &= ~NETIF_F_TSO; + *features &= ~NETIF_F_TSO; else - features |= NETIF_F_TSO; + *features |= NETIF_F_TSO;

if (!(offload_flags & BIT_2)) - features &= ~NETIF_F_TSO6; + *features &= ~NETIF_F_TSO6; else - features |= NETIF_F_TSO6; + *features |= NETIF_F_TSO6; } } else { - features &= ~(NETIF_F_RXCSUM | + *features &= ~(NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);

if (QLCNIC_IS_TSO_CAPABLE(adapter)) - features &= ~(NETIF_F_TSO | NETIF_F_TSO6); + *features &= ~(NETIF_F_TSO | NETIF_F_TSO6); adapter->rx_csum = 0; } - - return features; }

void qlcnic_fix_features(struct net_device *netdev, netdev_features_t *features) @@ -1061,7 +1059,7 @@ void qlcnic_fix_features(struct net_device *netdev, netdev_features_t *features) if (qlcnic_82xx_check(adapter) && (adapter->flags & QLCNIC_ESWITCH_ENABLED)) { if (adapter->flags & QLCNIC_APP_CHANGED_FLAGS) { - *features = qlcnic_process_flags(adapter, *features); + qlcnic_process_flags(adapter, features); } else { changed = *features ^ netdev->features; *features ^= changed & (NETIF_F_RXCSUM |

For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of ethtool_get_feature_mask for adaption.

Signed-off-by: Jian Shen shenjian15@huawei.com --- net/ethtool/ioctl.c | 34 ++++++++++++++++++++-------------- 1 file changed, 20 insertions(+), 14 deletions(-)

diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 81fa36a..dcfe8b3 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -194,30 +194,35 @@ static void __ethtool_get_strings(struct net_device *dev, ops->get_strings(dev, stringset, data); }

-static netdev_features_t ethtool_get_feature_mask(u32 eth_cmd) +static void ethtool_get_feature_mask(u32 eth_cmd, netdev_features_t *mask) { /* feature masks of legacy discrete ethtool ops */

switch (eth_cmd) { case ETHTOOL_GTXCSUM: case ETHTOOL_STXCSUM: - return NETIF_F_CSUM_MASK | NETIF_F_FCOE_CRC | - NETIF_F_SCTP_CRC; + *mask = NETIF_F_CSUM_MASK | NETIF_F_FCOE_CRC | NETIF_F_SCTP_CRC; + break; case ETHTOOL_GRXCSUM: case ETHTOOL_SRXCSUM: - return NETIF_F_RXCSUM; + *mask = NETIF_F_RXCSUM; + break; case ETHTOOL_GSG: case ETHTOOL_SSG: - return NETIF_F_SG | NETIF_F_FRAGLIST; + *mask = NETIF_F_SG | NETIF_F_FRAGLIST; + break; case ETHTOOL_GTSO: case ETHTOOL_STSO: - return NETIF_F_ALL_TSO; + *mask = NETIF_F_ALL_TSO; + break; case ETHTOOL_GGSO: case ETHTOOL_SGSO: - return NETIF_F_GSO; + *mask = NETIF_F_GSO; + break; case ETHTOOL_GGRO: case ETHTOOL_SGRO: - return NETIF_F_GRO; + *mask = NETIF_F_GRO; + break; default: BUG(); } @@ -226,11 +231,12 @@ static netdev_features_t ethtool_get_feature_mask(u32 eth_cmd) static int ethtool_get_one_feature(struct net_device *dev, char __user *useraddr, u32 ethcmd) { - netdev_features_t mask = ethtool_get_feature_mask(ethcmd); - struct ethtool_value edata = { - .cmd = ethcmd, - .data = !!(dev->features & mask), - }; + struct ethtool_value edata; + netdev_features_t mask; + + ethtool_get_feature_mask(ethcmd, &mask); + edata.cmd = ethcmd; + edata.data = !!(dev->features & mask);

if (copy_to_user(useraddr, &edata, sizeof(edata))) return -EFAULT; @@ -246,7 +252,7 @@ static int ethtool_set_one_feature(struct net_device *dev, if (copy_from_user(&edata, useraddr, sizeof(edata))) return -EFAULT;

- mask = ethtool_get_feature_mask(ethcmd); + ethtool_get_feature_mask(ethcmd, &mask); mask &= dev->hw_features; if (!mask) return -EOPNOTSUPP;

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- include/linux/netdevice.h | 78 +++++++----- net/core/dev.c | 315 +++++++++++++++++++++++++++------------------- 2 files changed, 236 insertions(+), 157 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index a82fc87..51fdb9f 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2266,7 +2266,8 @@ struct net_device {

static inline bool netif_elide_gro(const struct net_device *dev) { - if (!(dev->features & NETIF_F_GRO) || dev->xdp_prog) + if (!netdev_feature_test_bit(NETIF_F_GRO_BIT, dev->features) || + dev->xdp_prog) return true; return false; } @@ -4506,25 +4507,28 @@ static inline void netif_tx_unlock_bh(struct net_device *dev) local_bh_enable(); }

-#define HARD_TX_LOCK(dev, txq, cpu) { \ - if ((dev->features & NETIF_F_LLTX) == 0) { \ - __netif_tx_lock(txq, cpu); \ - } else { \ - __netif_tx_acquire(txq); \ - } \ +#define HARD_TX_LOCK(dev, txq, cpu) { \ + if (!netdev_feature_test_bit(NETIF_F_LLTX_BIT, \ + dev->features)) { \ + __netif_tx_lock(txq, cpu); \ + } else { \ + __netif_tx_acquire(txq); \ + } \ }

-#define HARD_TX_TRYLOCK(dev, txq) \ - (((dev->features & NETIF_F_LLTX) == 0) ? \ - __netif_tx_trylock(txq) : \ +#define HARD_TX_TRYLOCK(dev, txq) \ + (!netdev_feature_test_bit(NETIF_F_LLTX_BIT, \ + dev->features) ? \ + __netif_tx_trylock(txq) : \ __netif_tx_acquire(txq))

-#define HARD_TX_UNLOCK(dev, txq) { \ - if ((dev->features & NETIF_F_LLTX) == 0) { \ - __netif_tx_unlock(txq); \ - } else { \ - __netif_tx_release(txq); \ - } \ +#define HARD_TX_UNLOCK(dev, txq) { \ + if (!netdev_feature_test_bit(NETIF_F_LLTX_BIT, \ + dev->features)) { \ + __netif_tx_unlock(txq); \ + } else { \ + __netif_tx_release(txq); \ + } \ }

static inline void netif_tx_disable(struct net_device *dev) @@ -4916,20 +4920,20 @@ static inline bool can_checksum_protocol(netdev_features_t features, __be16 protocol) { if (protocol == htons(ETH_P_FCOE)) - return !!(features & NETIF_F_FCOE_CRC); + return netdev_feature_test_bit(NETIF_F_FCOE_CRC_BIT, features);

/* Assume this is an IP checksum (not SCTP CRC) */

- if (features & NETIF_F_HW_CSUM) { + if (netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, features)) { /* Can checksum everything */ return true; }

switch (protocol) { case htons(ETH_P_IP): - return !!(features & NETIF_F_IP_CSUM); + return netdev_feature_test_bit(NETIF_F_IP_CSUM_BIT, features); case htons(ETH_P_IPV6): - return !!(features & NETIF_F_IPV6_CSUM); + return netdev_feature_test_bit(NETIF_F_IPV6_CSUM_BIT, features); default: return false; } @@ -4994,21 +4998,26 @@ static inline void netdev_intersect_features(netdev_features_t *ret, netdev_features_t f1, netdev_features_t f2) { - if ((f1 ^ f2) & NETIF_F_HW_CSUM) { - if (f1 & NETIF_F_HW_CSUM) - f1 |= (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM); + if (netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, f1) != + netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, f2)) { + if (netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, f1)) + netdev_feature_set_bits(NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM, &f1); else - f2 |= (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM); + netdev_feature_set_bits(NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM, &f2); }

- *ret = f1 & f2; + netdev_feature_and(ret, f1, f2); }

static inline void netdev_get_wanted_features(struct net_device *dev, netdev_features_t *wanted) { - *wanted = (dev->features & ~dev->hw_features) | dev->wanted_features; + netdev_feature_andnot(wanted, dev->features, dev->hw_features); + netdev_feature_or(wanted, *wanted, dev->wanted_features); } + void netdev_increment_features(netdev_features_t *ret, netdev_features_t all, netdev_features_t one, netdev_features_t mask);

@@ -5019,7 +5028,11 @@ void netdev_increment_features(netdev_features_t *ret, netdev_features_t all, static inline void netdev_add_tso_features(netdev_features_t *features, netdev_features_t mask) { - netdev_increment_features(features, *features, NETIF_F_ALL_TSO, mask); + netdev_features_t one; + + netdev_feature_zero(&one); + netdev_feature_set_bits(NETIF_F_ALL_TSO, &one); + netdev_increment_features(features, *features, one, mask); }

int __netdev_update_features(struct net_device *dev); @@ -5035,7 +5048,7 @@ void netif_skb_features(struct sk_buff *skb, netdev_features_t *features);

static inline bool net_gso_ok(netdev_features_t features, int gso_type) { - netdev_features_t feature = (netdev_features_t)gso_type << NETIF_F_GSO_SHIFT; + netdev_features_t feature;

/* check flags correspondence */ BUILD_BUG_ON(SKB_GSO_TCPV4 != (NETIF_F_TSO >> NETIF_F_GSO_SHIFT)); @@ -5058,13 +5071,18 @@ static inline bool net_gso_ok(netdev_features_t features, int gso_type) BUILD_BUG_ON(SKB_GSO_UDP_L4 != (NETIF_F_GSO_UDP_L4 >> NETIF_F_GSO_SHIFT)); BUILD_BUG_ON(SKB_GSO_FRAGLIST != (NETIF_F_GSO_FRAGLIST >> NETIF_F_GSO_SHIFT));

- return (features & feature) == feature; + netdev_feature_zero(&feature); + netdev_feature_set_bit((u64)gso_type << NETIF_F_GSO_SHIFT, &feature); + + return netdev_feature_subset(features, feature); + }

static inline bool skb_gso_ok(struct sk_buff *skb, netdev_features_t features) { return net_gso_ok(features, skb_shinfo(skb)->gso_type) && - (!skb_has_frag_list(skb) || (features & NETIF_F_FRAGLIST)); + (!skb_has_frag_list(skb) || + netdev_feature_test_bit(NETIF_F_FRAGLIST_BIT, features)); }

static inline bool netif_needs_gso(struct sk_buff *skb, diff --git a/net/core/dev.c b/net/core/dev.c index 7f08594..a71d35d 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1636,10 +1636,10 @@ void dev_disable_lro(struct net_device *dev) struct net_device *lower_dev; struct list_head *iter;

- dev->wanted_features &= ~NETIF_F_LRO; + netdev_feature_clear_bit(NETIF_F_LRO_BIT, &dev->wanted_features); netdev_update_features(dev);

- if (unlikely(dev->features & NETIF_F_LRO)) + if (unlikely(netdev_feature_test_bit(NETIF_F_LRO_BIT, dev->features))) netdev_WARN(dev, "failed to disable LRO!\n");

netdev_for_each_lower_dev(dev, lower_dev, iter) @@ -1657,10 +1657,12 @@ EXPORT_SYMBOL(dev_disable_lro); */ static void dev_disable_gro_hw(struct net_device *dev) { - dev->wanted_features &= ~NETIF_F_GRO_HW; + netdev_feature_clear_bit(NETIF_F_GRO_HW_BIT, &dev->wanted_features); netdev_update_features(dev);

- if (unlikely(dev->features & NETIF_F_GRO_HW)) + if (unlikely(netdev_feature_test_bit(NETIF_F_GRO_HW_BIT, + dev->features))) + netdev_WARN(dev, "failed to disable GRO_HW!\n"); }

@@ -3377,13 +3379,19 @@ struct sk_buff *__skb_gso_segment(struct sk_buff *skb, * support segmentation on this frame without needing additional * work. */ - if (features & NETIF_F_GSO_PARTIAL) { - netdev_features_t partial_features = NETIF_F_GSO_ROBUST; + if (netdev_feature_test_bit(NETIF_F_GSO_PARTIAL_BIT, features)) { + netdev_features_t partial_features; struct net_device *dev = skb->dev;

- partial_features |= dev->features & dev->gso_partial_features; - if (!skb_gso_ok(skb, features | partial_features)) - features &= ~NETIF_F_GSO_PARTIAL; + netdev_feature_and(&partial_features, dev->features, + dev->gso_partial_features); + netdev_feature_set_bit(NETIF_F_GSO_ROBUST_BIT, + &partial_features); + netdev_feature_or(&partial_features, partial_features, + features); + if (!skb_gso_ok(skb, partial_features)) + netdev_feature_clear_bit(NETIF_F_GSO_PARTIAL_BIT, + &features); }

BUILD_BUG_ON(SKB_GSO_CB_OFFSET + @@ -3426,7 +3434,7 @@ static int illegal_highdma(struct net_device *dev, struct sk_buff *skb) #ifdef CONFIG_HIGHMEM int i;

- if (!(dev->features & NETIF_F_HIGHDMA)) { + if (!netdev_feature_test_bit(NETIF_F_HIGHDMA_BIT, dev->features)) { for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { skb_frag_t *frag = &skb_shinfo(skb)->frags[i];

@@ -3446,7 +3454,8 @@ static void net_mpls_features(struct sk_buff *skb, netdev_features_t *features, __be16 type) { if (eth_p_mpls(type)) - *features &= skb->dev->mpls_features; + netdev_feature_and(features, *features, + skb->dev->mpls_features); } #else static void net_mpls_features(struct sk_buff *skb, netdev_features_t *features, @@ -3464,10 +3473,11 @@ static void harmonize_features(struct sk_buff *skb, netdev_features_t *features)

if (skb->ip_summed != CHECKSUM_NONE && !can_checksum_protocol(*features, type)) { - *features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); + netdev_feature_clear_bits(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK, + features); } if (illegal_highdma(skb->dev, skb)) - *features &= ~NETIF_F_SG; + netdev_feature_clear_bit(NETIF_F_SG_BIT, features); }

void passthru_features_check(struct sk_buff *skb, struct net_device *dev, @@ -3490,13 +3500,13 @@ static void gso_features_check(const struct sk_buff *skb, u16 gso_segs = skb_shinfo(skb)->gso_segs;

if (gso_segs > dev->gso_max_segs) { - *features &= ~NETIF_F_GSO_MASK; + netdev_feature_clear_bits(NETIF_F_GSO_MASK, features); return; }

if (!skb_shinfo(skb)->gso_type) { skb_warn_bad_offload(skb); - *features &= ~NETIF_F_GSO_MASK; + netdev_feature_clear_bits(NETIF_F_GSO_MASK, features); return; }

@@ -3507,7 +3517,8 @@ static void gso_features_check(const struct sk_buff *skb, * segmented the frame. */ if (!(skb_shinfo(skb)->gso_type & SKB_GSO_PARTIAL)) - *features &= ~dev->gso_partial_features; + netdev_feature_andnot(features, *features, + dev->gso_partial_features);

/* Make sure to clear the IPv4 ID mangling feature if the * IPv4 header has the potential to be fragmented. @@ -3517,7 +3528,8 @@ static void gso_features_check(const struct sk_buff *skb, inner_ip_hdr(skb) : ip_hdr(skb);

if (!(iph->frag_off & htons(IP_DF))) - *features &= ~NETIF_F_TSO_MANGLEID; + netdev_feature_clear_bit(NETIF_F_TSO_MANGLEID_BIT, + features); } }

@@ -3525,7 +3537,7 @@ void netif_skb_features(struct sk_buff *skb, netdev_features_t *features) { struct net_device *dev = skb->dev;

- *features = dev->features; + netdev_feature_copy(features, dev->features);

if (skb_is_gso(skb)) gso_features_check(skb, dev, features); @@ -3535,13 +3547,16 @@ void netif_skb_features(struct sk_buff *skb, netdev_features_t *features) * features for the netdev */ if (skb->encapsulation) - *features &= dev->hw_enc_features; + netdev_feature_and(features, *features, dev->hw_enc_features); + + if (skb_vlan_tagged(skb)) { + netdev_features_t tmp;

- if (skb_vlan_tagged(skb)) - netdev_intersect_features(features, *features, - dev->vlan_features | - NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX); + netdev_feature_copy(&tmp, dev->vlan_features); + netdev_feature_set_bits(NETIF_F_HW_VLAN_CTAG_TX_BIT | + NETIF_F_HW_VLAN_STAG_TX_BIT, &tmp); + netdev_intersect_features(features, *features, tmp); + }

if (dev->netdev_ops->ndo_features_check) dev->netdev_ops->ndo_features_check(skb, dev, features); @@ -3611,13 +3626,14 @@ int skb_csum_hwoffload_help(struct sk_buff *skb, const netdev_features_t features) { if (unlikely(skb_csum_is_sctp(skb))) - return !!(features & NETIF_F_SCTP_CRC) ? 0 : - skb_crc32c_csum_help(skb); + return netdev_feature_test_bit(NETIF_F_SCTP_CRC_BIT, features) ? + 0 : skb_crc32c_csum_help(skb);

- if (features & NETIF_F_HW_CSUM) + if (netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, features)) return 0;

- if (features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) { + if (netdev_feature_test_bits(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM, + features)) { switch (skb->csum_offset) { case offsetof(struct tcphdr, check): case offsetof(struct udphdr, check): @@ -4349,7 +4365,8 @@ set_rps_cpu(struct net_device *dev, struct sk_buff *skb,

/* Should we steer this flow to a different hardware queue? */ if (!skb_rx_queue_recorded(skb) || !dev->rx_cpu_rmap || - !(dev->features & NETIF_F_NTUPLE)) + !netdev_feature_test_bit(NETIF_F_NTUPLE_BIT, + dev->features)) goto out; rxq_index = cpu_rmap_lookup_index(dev->rx_cpu_rmap, next_cpu); if (rxq_index == skb_get_rx_queue(skb)) @@ -9774,17 +9791,19 @@ static void netdev_sync_upper_features(struct net_device *lower, struct net_device *upper, netdev_features_t *features) { - netdev_features_t upper_disables = NETIF_F_UPPER_DISABLES; - netdev_features_t feature; + netdev_features_t upper_disables; int feature_bit;

+ netdev_feature_zero(&upper_disables); + netdev_feature_set_bits(NETIF_F_UPPER_DISABLES, &upper_disables); + for_each_netdev_feature(upper_disables, feature_bit) { - feature = __NETIF_F_BIT(feature_bit); - if (!(upper->wanted_features & feature) && - (*features & feature)) { - netdev_dbg(lower, "Dropping feature %pNF, upper dev %s has it off.\n", - &feature, upper->name); - *features &= ~feature; + if (!netdev_feature_test_bit(feature_bit, + upper->wanted_features) && + netdev_feature_test_bit(feature_bit, *features)) { + netdev_dbg(lower, "Dropping feature bit %d, upper dev %s has it off.\n", + feature_bit, upper->name); + netdev_feature_clear_bit(feature_bit, features); } } } @@ -9792,21 +9811,25 @@ static void netdev_sync_upper_features(struct net_device *lower, static void netdev_sync_lower_features(struct net_device *upper, struct net_device *lower, netdev_features_t features) { - netdev_features_t upper_disables = NETIF_F_UPPER_DISABLES; - netdev_features_t feature; + netdev_features_t upper_disables; int feature_bit;

+ netdev_feature_zero(&upper_disables); + netdev_feature_set_bits(NETIF_F_UPPER_DISABLES, &upper_disables); + for_each_netdev_feature(upper_disables, feature_bit) { - feature = __NETIF_F_BIT(feature_bit); - if (!(features & feature) && (lower->features & feature)) { - netdev_dbg(upper, "Disabling feature %pNF on lower dev %s.\n", - &feature, lower->name); - lower->wanted_features &= ~feature; + if (!netdev_feature_test_bit(feature_bit, features) && + netdev_feature_test_bit(feature_bit, lower->features)) { + netdev_dbg(upper, "Disabling feature bit %d on lower dev %s.\n", + feature_bit, lower->name); + netdev_feature_clear_bit(feature_bit, + &lower->wanted_features); __netdev_update_features(lower);

- if (unlikely(lower->features & feature)) - netdev_WARN(upper, "failed to disable %pNF on %s!\n", - &feature, lower->name); + if (unlikely(netdev_feature_test_bit(feature_bit, + lower->features))) + netdev_WARN(upper, "failed to disable feature bit %d on %s!\n", + feature_bit, lower->name); else netdev_features_change(lower); } @@ -9817,92 +9840,102 @@ static void netdev_fix_features(struct net_device *dev, netdev_features_t *features) { /* Fix illegal checksum combinations */ - if ((*features & NETIF_F_HW_CSUM) && - (*features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM))) { + if (netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, *features) && + (netdev_feature_test_bits(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM, + *features))) { netdev_warn(dev, "mixed HW and IP checksum settings.\n"); - *features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); + netdev_feature_clear_bits(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM, + features); }

/* TSO requires that SG is present as well. */ - if ((*features & NETIF_F_ALL_TSO) && !(*features & NETIF_F_SG)) { + if (netdev_feature_test_bits(NETIF_F_ALL_TSO, *features) && + !netdev_feature_test_bit(NETIF_F_SG_BIT, *features)) { netdev_dbg(dev, "Dropping TSO features since no SG feature.\n"); - *features &= ~NETIF_F_ALL_TSO; + netdev_feature_clear_bits(NETIF_F_ALL_TSO, features); }

- if ((*features & NETIF_F_TSO) && !(*features & NETIF_F_HW_CSUM) && - !(*features & NETIF_F_IP_CSUM)) { + if (netdev_feature_test_bit(NETIF_F_TSO_BIT, *features) && + !netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, *features) && + !netdev_feature_test_bit(NETIF_F_IP_CSUM_BIT, *features)) { netdev_dbg(dev, "Dropping TSO features since no CSUM feature.\n"); - *features &= ~NETIF_F_TSO; - *features &= ~NETIF_F_TSO_ECN; + netdev_feature_clear_bit(NETIF_F_TSO_BIT, features); + netdev_feature_clear_bit(NETIF_F_TSO_ECN_BIT, features); }

- if ((*features & NETIF_F_TSO6) && !(*features & NETIF_F_HW_CSUM) && - !(*features & NETIF_F_IPV6_CSUM)) { + if (netdev_feature_test_bit(NETIF_F_TSO6_BIT, *features) && + !netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, *features) && + !netdev_feature_test_bit(NETIF_F_IPV6_CSUM_BIT, *features)) { netdev_dbg(dev, "Dropping TSO6 features since no CSUM feature.\n"); - *features &= ~NETIF_F_TSO6; + netdev_feature_clear_bit(NETIF_F_TSO6_BIT, features); }

/* TSO with IPv4 ID mangling requires IPv4 TSO be enabled */ - if ((*features & NETIF_F_TSO_MANGLEID) && !(*features & NETIF_F_TSO)) - *features &= ~NETIF_F_TSO_MANGLEID; + if (netdev_feature_test_bit(NETIF_F_TSO_MANGLEID_BIT, *features) && + !netdev_feature_test_bit(NETIF_F_TSO_BIT, *features)) + netdev_feature_clear_bit(NETIF_F_TSO_MANGLEID_BIT, features);

/* TSO ECN requires that TSO is present as well. */ - if ((*features & NETIF_F_ALL_TSO) == NETIF_F_TSO_ECN) - *features &= ~NETIF_F_TSO_ECN; + if (netdev_feature_test_bit(NETIF_F_TSO_ECN_BIT, *features) && + !netdev_feature_test_bits(NETIF_F_ALL_TSO & ~NETIF_F_TSO_ECN, + *features)) + netdev_feature_clear_bit(NETIF_F_TSO_ECN_BIT, features);

/* Software GSO depends on SG. */ - if ((*features & NETIF_F_GSO) && !(*features & NETIF_F_SG)) { + if (netdev_feature_test_bit(NETIF_F_GSO_BIT, *features) && + !netdev_feature_test_bit(NETIF_F_SG_BIT, *features)) { netdev_dbg(dev, "Dropping NETIF_F_GSO since no SG feature.\n"); - *features &= ~NETIF_F_GSO; + netdev_feature_clear_bit(NETIF_F_GSO_BIT, features); }

/* GSO partial features require GSO partial be set */ - if ((*features & dev->gso_partial_features) && - !(*features & NETIF_F_GSO_PARTIAL)) { + if (netdev_feature_intersects(*features, dev->gso_partial_features) && + !netdev_feature_test_bit(NETIF_F_GSO_PARTIAL_BIT, *features)) { netdev_dbg(dev, "Dropping partially supported GSO features since no GSO partial.\n"); - *features &= ~dev->gso_partial_features; + netdev_feature_andnot(features, *features, + dev->gso_partial_features); }

- if (!(*features & NETIF_F_RXCSUM)) { + if (!netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, *features)) { /* NETIF_F_GRO_HW implies doing RXCSUM since every packet * successfully merged by hardware must also have the * checksum verified by hardware. If the user does not * want to enable RXCSUM, logically, we should disable GRO_HW. */ - if (*features & NETIF_F_GRO_HW) { + if (netdev_feature_test_bit(NETIF_F_GRO_HW_BIT, *features)) { netdev_dbg(dev, "Dropping NETIF_F_GRO_HW since no RXCSUM feature.\n"); - *features &= ~NETIF_F_GRO_HW; + netdev_feature_clear_bit(NETIF_F_GRO_HW_BIT, features); } }

/* LRO/HW-GRO features cannot be combined with RX-FCS */ - if (*features & NETIF_F_RXFCS) { - if (*features & NETIF_F_LRO) { + if (netdev_feature_test_bit(NETIF_F_RXFCS_BIT, *features)) { + if (netdev_feature_test_bit(NETIF_F_LRO_BIT, *features)) { netdev_dbg(dev, "Dropping LRO feature since RX-FCS is requested.\n"); - *features &= ~NETIF_F_LRO; + netdev_feature_clear_bit(NETIF_F_LRO_BIT, features); }

- if (*features & NETIF_F_GRO_HW) { + if (netdev_feature_test_bit(NETIF_F_GRO_HW_BIT, *features)) { netdev_dbg(dev, "Dropping HW-GRO feature since RX-FCS is requested.\n"); - *features &= ~NETIF_F_GRO_HW; + netdev_feature_clear_bit(NETIF_F_GRO_HW_BIT, features); } }

- if (*features & NETIF_F_HW_TLS_TX) { - bool ip_csum = (*features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) == - (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); - bool hw_csum = *features & NETIF_F_HW_CSUM; - - if (!ip_csum && !hw_csum) { + if (netdev_feature_test_bit(NETIF_F_HW_TLS_TX_BIT, *features)) { + if (!netdev_feature_test_bit(NETIF_F_IP_CSUM_BIT, *features) || + !netdev_feature_test_bit(NETIF_F_IPV6_CSUM_BIT, *features) || + !netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, *features)) { netdev_dbg(dev, "Dropping TLS TX HW offload feature since no CSUM feature.\n"); - *features &= ~NETIF_F_HW_TLS_TX; + netdev_feature_clear_bit(NETIF_F_HW_TLS_TX_BIT, + features); } }

- if ((*features & NETIF_F_HW_TLS_RX) && !(*features & NETIF_F_RXCSUM)) { + if (netdev_feature_test_bit(NETIF_F_HW_TLS_RX_BIT, *features) && + !netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, *features)) { netdev_dbg(dev, "Dropping TLS RX HW offload feature since no RXCSUM feature.\n"); - *features &= ~NETIF_F_HW_TLS_RX; + netdev_feature_clear_bit(NETIF_F_HW_TLS_RX_BIT, features); } }

@@ -9927,7 +9960,7 @@ int __netdev_update_features(struct net_device *dev) netdev_for_each_upper_dev_rcu(dev, upper, iter) netdev_sync_upper_features(dev, upper, &features);

- if (dev->features == features) + if (netdev_feature_equal(dev->features, features)) goto sync_lower;

netdev_dbg(dev, "Features changed: %pNF -> %pNF\n", @@ -9956,9 +9989,11 @@ int __netdev_update_features(struct net_device *dev) netdev_sync_lower_features(dev, lower, features);

if (!err) { - netdev_features_t diff = features ^ dev->features; + netdev_features_t diff; + + netdev_feature_xor(&diff, features, dev->features);

- if (diff & NETIF_F_RX_UDP_TUNNEL_PORT) { + if (netdev_feature_test_bit(NETIF_F_RX_UDP_TUNNEL_PORT_BIT, diff)) { /* udp_tunnel_{get,drop}_rx_info both need * NETIF_F_RX_UDP_TUNNEL_PORT enabled on the * device, or they won't do anything. @@ -9966,33 +10001,36 @@ int __netdev_update_features(struct net_device *dev) * *before* calling udp_tunnel_get_rx_info, * but *after* calling udp_tunnel_drop_rx_info. */ - if (features & NETIF_F_RX_UDP_TUNNEL_PORT) { - dev->features = features; + if (netdev_feature_test_bit(NETIF_F_RX_UDP_TUNNEL_PORT_BIT, + features)) { + netdev_feature_copy(&dev->features, features); udp_tunnel_get_rx_info(dev); } else { udp_tunnel_drop_rx_info(dev); } }

- if (diff & NETIF_F_HW_VLAN_CTAG_FILTER) { - if (features & NETIF_F_HW_VLAN_CTAG_FILTER) { - dev->features = features; + if (netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, diff)) { + if (netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + features)) { + netdev_feature_copy(&dev->features, features); err |= vlan_get_rx_ctag_filter_info(dev); } else { vlan_drop_rx_ctag_filter_info(dev); } }

- if (diff & NETIF_F_HW_VLAN_STAG_FILTER) { - if (features & NETIF_F_HW_VLAN_STAG_FILTER) { - dev->features = features; + if (netdev_feature_test_bit(NETIF_F_HW_VLAN_STAG_FILTER_BIT, diff)) { + if (netdev_feature_test_bit(NETIF_F_HW_VLAN_STAG_FILTER_BIT, + features)) { + netdev_feature_copy(&dev->features, features); err |= vlan_get_rx_stag_filter_info(dev); } else { vlan_drop_rx_stag_filter_info(dev); } }

- dev->features = features; + netdev_feature_copy(&dev->features, features); }

return err < 0 ? 0 : 1; @@ -10218,8 +10256,10 @@ int register_netdevice(struct net_device *dev) } }

- if (((dev->hw_features | dev->features) & - NETIF_F_HW_VLAN_CTAG_FILTER) && + if ((netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + dev->hw_features) || + netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + dev->features)) && (!dev->netdev_ops->ndo_vlan_rx_add_vid || !dev->netdev_ops->ndo_vlan_rx_kill_vid)) { netdev_WARN(dev, "Buggy VLAN acceleration in driver!\n"); @@ -10236,44 +10276,54 @@ int register_netdevice(struct net_device *dev) /* Transfer changeable features to wanted_features and enable * software offloads (GSO and GRO). */ - dev->hw_features |= (NETIF_F_SOFT_FEATURES | NETIF_F_SOFT_FEATURES_OFF); - dev->features |= NETIF_F_SOFT_FEATURES; + netdev_feature_set_bits(NETIF_F_SOFT_FEATURES | NETIF_F_SOFT_FEATURES_OFF, + &dev->hw_features); + netdev_feature_set_bits(NETIF_F_SOFT_FEATURES, &dev->features);

if (dev->udp_tunnel_nic_info) { - dev->features |= NETIF_F_RX_UDP_TUNNEL_PORT; - dev->hw_features |= NETIF_F_RX_UDP_TUNNEL_PORT; + netdev_feature_set_bit(NETIF_F_RX_UDP_TUNNEL_PORT_BIT, + &dev->features); + netdev_feature_set_bit(NETIF_F_RX_UDP_TUNNEL_PORT_BIT, + &dev->hw_features); }

- dev->wanted_features = dev->features & dev->hw_features; + netdev_feature_and(&dev->wanted_features, dev->features, + dev->hw_features);

if (!(dev->flags & IFF_LOOPBACK)) - dev->hw_features |= NETIF_F_NOCACHE_COPY; + netdev_feature_set_bit(NETIF_F_NOCACHE_COPY_BIT, + &dev->hw_features);

/* If IPv4 TCP segmentation offload is supported we should also * allow the device to enable segmenting the frame with the option * of ignoring a static IP ID value. This doesn't enable the * feature itself but allows the user to enable it later. */ - if (dev->hw_features & NETIF_F_TSO) - dev->hw_features |= NETIF_F_TSO_MANGLEID; - if (dev->vlan_features & NETIF_F_TSO) - dev->vlan_features |= NETIF_F_TSO_MANGLEID; - if (dev->mpls_features & NETIF_F_TSO) - dev->mpls_features |= NETIF_F_TSO_MANGLEID; - if (dev->hw_enc_features & NETIF_F_TSO) - dev->hw_enc_features |= NETIF_F_TSO_MANGLEID; + if (netdev_feature_test_bit(NETIF_F_TSO_BIT, dev->hw_features)) + netdev_feature_set_bit(NETIF_F_TSO_MANGLEID_BIT, + &dev->hw_features); + if (netdev_feature_test_bit(NETIF_F_TSO_BIT, dev->vlan_features)) + netdev_feature_set_bit(NETIF_F_TSO_MANGLEID_BIT, + &dev->vlan_features); + if (netdev_feature_test_bit(NETIF_F_TSO_BIT, dev->mpls_features)) + netdev_feature_set_bit(NETIF_F_TSO_MANGLEID_BIT, + &dev->mpls_features); + if (netdev_feature_test_bit(NETIF_F_TSO_BIT, dev->hw_enc_features)) + netdev_feature_set_bit(NETIF_F_TSO_MANGLEID_BIT, + &dev->hw_enc_features);

/* Make NETIF_F_HIGHDMA inheritable to VLAN devices. */ - dev->vlan_features |= NETIF_F_HIGHDMA; + netdev_feature_set_bit(NETIF_F_HIGHDMA_BIT, &dev->vlan_features);

/* Make NETIF_F_SG inheritable to tunnel devices. */ - dev->hw_enc_features |= NETIF_F_SG | NETIF_F_GSO_PARTIAL; + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_GSO_PARTIAL, + &dev->hw_enc_features);

/* Make NETIF_F_SG inheritable to MPLS. */ - dev->mpls_features |= NETIF_F_SG; + netdev_feature_set_bit(NETIF_F_SG_BIT, &dev->mpls_features);

ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev); ret = notifier_to_errno(ret); @@ -11114,7 +11164,7 @@ int __dev_change_net_namespace(struct net_device *dev, struct net *net,

/* Don't allow namespace local devices to be moved. */ err = -EINVAL; - if (dev->features & NETIF_F_NETNS_LOCAL) + if (netdev_feature_test_bit(NETIF_F_NETNS_LOCAL_BIT, dev->features)) goto out;

/* Ensure the device has been registrered */ @@ -11311,18 +11361,28 @@ static int dev_cpu_dead(unsigned int oldcpu) void netdev_increment_features(netdev_features_t *ret, netdev_features_t all, netdev_features_t one, netdev_features_t mask) { - if (mask & NETIF_F_HW_CSUM) - mask |= NETIF_F_CSUM_MASK; - mask |= NETIF_F_VLAN_CHALLENGED; + netdev_features_t tmp;

- all |= one & (NETIF_F_ONE_FOR_ALL | NETIF_F_CSUM_MASK) & mask; - all &= one | ~NETIF_F_ALL_FOR_ALL; + if (netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, mask)) + netdev_feature_set_bits(NETIF_F_CSUM_MASK, &mask); + netdev_feature_set_bit(NETIF_F_VLAN_CHALLENGED_BIT, &mask);

- /* If one device supports hw checksumming, set for all. */ - if (all & NETIF_F_HW_CSUM) - all &= ~(NETIF_F_CSUM_MASK & ~NETIF_F_HW_CSUM); + netdev_feature_copy(ret, all); + netdev_feature_zero(&tmp); + netdev_feature_set_bits(NETIF_F_ONE_FOR_ALL | NETIF_F_CSUM_MASK, &tmp); + netdev_feature_and(&tmp, tmp, one); + netdev_feature_and(&tmp, tmp, mask); + netdev_feature_or(ret, *ret, tmp);

- *ret = all; + netdev_feature_fill(&tmp); + netdev_feature_clear_bits(NETIF_F_ALL_FOR_ALL, &tmp); + netdev_feature_or(&tmp, tmp, one); + netdev_feature_and(ret, *ret, tmp); + + /* If one device supports hw checksumming, set for all. */ + if (netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, *ret)) + netdev_feature_clear_bits(NETIF_F_CSUM_MASK & ~NETIF_F_HW_CSUM, + ret); } EXPORT_SYMBOL(netdev_increment_features);

@@ -11475,7 +11535,8 @@ static void __net_exit default_device_exit(struct net *net) char fb_name[IFNAMSIZ];

/* Ignore unmoveable devices (i.e. loopback) */ - if (dev->features & NETIF_F_NETNS_LOCAL) + if (netdev_feature_test_bit(NETIF_F_NETNS_LOCAL_BIT, + dev->features)) continue;

/* Leave virtual devices for the generic cleanup */

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- include/linux/if_vlan.h | 16 ++++++++++------ net/8021q/vlan.c | 11 +++++++---- net/8021q/vlan.h | 22 ++++++++++++---------- net/8021q/vlan_core.c | 6 ++++-- net/8021q/vlan_dev.c | 47 ++++++++++++++++++++++++++++------------------- 5 files changed, 61 insertions(+), 41 deletions(-)

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 2337538..9696e7a 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -313,9 +313,11 @@ static inline bool eth_type_vlan(__be16 ethertype) static inline bool vlan_hw_offload_capable(netdev_features_t features, __be16 proto) { - if (proto == htons(ETH_P_8021Q) && features & NETIF_F_HW_VLAN_CTAG_TX) + if (proto == htons(ETH_P_8021Q) && + netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_TX_BIT, features)) return true; - if (proto == htons(ETH_P_8021AD) && features & NETIF_F_HW_VLAN_STAG_TX) + if (proto == htons(ETH_P_8021AD) && + netdev_feature_test_bit(NETIF_F_HW_VLAN_STAG_TX_BIT, features)) return true; return false; } @@ -563,7 +565,8 @@ static inline int __vlan_hwaccel_get_tag(const struct sk_buff *skb, */ static inline int vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci) { - if (skb->dev->features & NETIF_F_HW_VLAN_CTAG_TX) { + if (netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_TX_BIT, + skb->dev->features)) { return __vlan_hwaccel_get_tag(skb, vlan_tci); } else { return __vlan_get_tag(skb, vlan_tci); @@ -736,9 +739,10 @@ static inline void vlan_features_check(struct sk_buff *skb, * sure that only devices supporting NETIF_F_HW_CSUM will * have checksum offloading support. */ - *features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | - NETIF_F_FRAGLIST | NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX; + netdev_feature_clear_bits(NETIF_F_SG | NETIF_F_HIGHDMA | + NETIF_F_HW_CSUM | NETIF_F_FRAGLIST | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX, features); } }

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 55275ef..8a50def 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -134,7 +134,8 @@ int vlan_check_real_dev(struct net_device *real_dev, { const char *name = real_dev->name;

- if (real_dev->features & NETIF_F_VLAN_CHALLENGED) { + if (netdev_feature_test_bit(NETIF_F_VLAN_CHALLENGED_BIT, + real_dev->features)) { pr_info("VLANs not supported on %s\n", name); NL_SET_ERR_MSG_MOD(extack, "VLANs not supported on device"); return -EOPNOTSUPP; @@ -339,7 +340,7 @@ static void vlan_transfer_features(struct net_device *dev,

vlandev->priv_flags &= ~IFF_XMIT_DST_RELEASE; vlandev->priv_flags |= (vlan->real_dev->priv_flags & IFF_XMIT_DST_RELEASE); - vlandev->hw_enc_features = vlan_tnl_features(vlan->real_dev); + vlan_tnl_features(vlan->real_dev, &vlandev->hw_enc_features);

netdev_update_features(vlandev); } @@ -386,13 +387,15 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, }

if ((event == NETDEV_UP) && - (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) { + netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + dev->features)) { pr_info("adding VLAN 0 to HW filter on device %s\n", dev->name); vlan_vid_add(dev, htons(ETH_P_8021Q), 0); } if (event == NETDEV_DOWN && - (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) + netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + dev->features)) vlan_vid_del(dev, htons(ETH_P_8021Q), 0);

vlan_info = rtnl_dereference(dev->vlan_info); diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h index 1a705a4..10b792e 100644 --- a/net/8021q/vlan.h +++ b/net/8021q/vlan.h @@ -103,17 +103,19 @@ static inline struct net_device *vlan_find_dev(struct net_device *real_dev, return NULL; }

-static inline netdev_features_t vlan_tnl_features(struct net_device *real_dev) +static inline void vlan_tnl_features(struct net_device *real_dev, + netdev_features_t *tnl) { - netdev_features_t ret; - - ret = real_dev->hw_enc_features & - (NETIF_F_CSUM_MASK | NETIF_F_GSO_SOFTWARE | - NETIF_F_GSO_ENCAP_ALL); - - if ((ret & NETIF_F_GSO_ENCAP_ALL) && (ret & NETIF_F_CSUM_MASK)) - return (ret & ~NETIF_F_CSUM_MASK) | NETIF_F_HW_CSUM; - return 0; + netdev_feature_zero(tnl); + netdev_feature_set_bits(NETIF_F_CSUM_MASK | NETIF_F_GSO_SOFTWARE | + NETIF_F_GSO_ENCAP_ALL, tnl); + netdev_feature_and(tnl, *tnl, real_dev->hw_enc_features); + + if (netdev_feature_test_bits(NETIF_F_GSO_ENCAP_ALL, *tnl) && + netdev_feature_test_bits(NETIF_F_CSUM_MASK, *tnl)) { + netdev_feature_clear_bits(NETIF_F_CSUM_MASK, tnl); + netdev_feature_set_bit(NETIF_F_HW_CSUM_BIT, tnl); + } }

#define vlan_group_for_each_dev(grp, i, dev) \ diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index 59bc13b..757b2f1 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -169,10 +169,12 @@ struct vlan_vid_info { static bool vlan_hw_filter_capable(const struct net_device *dev, __be16 proto) { if (proto == htons(ETH_P_8021Q) && - dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) + netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + dev->features)) return true; if (proto == htons(ETH_P_8021AD) && - dev->features & NETIF_F_HW_VLAN_STAG_FILTER) + netdev_feature_test_bit(NETIF_F_HW_VLAN_STAG_FILTER_BIT, + dev->features)) return true; return false; } diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 9f90a58..a010612 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -566,21 +566,24 @@ static int vlan_dev_init(struct net_device *dev) if (vlan->flags & VLAN_FLAG_BRIDGE_BINDING) dev->state |= (1 << __LINK_STATE_NOCARRIER);

- dev->hw_features = NETIF_F_HW_CSUM | NETIF_F_SG | - NETIF_F_FRAGLIST | NETIF_F_GSO_SOFTWARE | - NETIF_F_GSO_ENCAP_ALL | - NETIF_F_HIGHDMA | NETIF_F_SCTP_CRC | - NETIF_F_ALL_FCOE; - - dev->features |= dev->hw_features | NETIF_F_LLTX; + netdev_feature_zero(&dev->hw_features); + netdev_feature_set_bits(NETIF_F_HW_CSUM | NETIF_F_SG | + NETIF_F_FRAGLIST | NETIF_F_GSO_SOFTWARE | + NETIF_F_GSO_ENCAP_ALL | + NETIF_F_HIGHDMA | NETIF_F_SCTP_CRC | + NETIF_F_ALL_FCOE, &dev->hw_features); + + netdev_feature_or(&dev->features, dev->features, dev->hw_features); + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); dev->gso_max_size = real_dev->gso_max_size; dev->gso_max_segs = real_dev->gso_max_segs; - if (dev->features & NETIF_F_VLAN_FEATURES) + if (netdev_feature_test_bits(NETIF_F_VLAN_FEATURES, dev->features)) netdev_warn(real_dev, "VLAN features are set incorrectly. Q-in-Q configurations may not work correctly.\n");

- dev->vlan_features = real_dev->vlan_features & ~NETIF_F_ALL_FCOE; - dev->hw_enc_features = vlan_tnl_features(real_dev); - dev->mpls_features = real_dev->mpls_features; + netdev_feature_copy(&dev->vlan_features, real_dev->vlan_features); + netdev_feature_clear_bits(NETIF_F_ALL_FCOE, &dev->vlan_features); + vlan_tnl_features(real_dev, &dev->hw_enc_features); + netdev_feature_copy(&dev->mpls_features, real_dev->mpls_features);

/* ipv6 shared card related stuff */ dev->dev_id = real_dev->dev_id; @@ -637,21 +640,27 @@ static void vlan_dev_fix_features(struct net_device *dev, netdev_features_t *features) { struct net_device *real_dev = vlan_dev_priv(dev)->real_dev; - netdev_features_t old_features = *features; netdev_features_t lower_features; + netdev_features_t old_features; + netdev_features_t tmp;

- netdev_intersect_features(&lower_features, - (real_dev->vlan_features | NETIF_F_RXCSUM), - real_dev->features); + netdev_feature_copy(&tmp, real_dev->vlan_features); + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, &tmp); + netdev_feature_copy(&old_features, *features); + netdev_intersect_features(&lower_features, tmp, real_dev->features);

/* Add HW_CSUM setting to preserve user ability to control * checksum offload on the vlan device. */ - if (lower_features & (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM)) - lower_features |= NETIF_F_HW_CSUM; + if (netdev_feature_test_bits(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM, + lower_features)) + netdev_feature_set_bit(NETIF_F_HW_CSUM_BIT, &lower_features); netdev_intersect_features(features, *features, lower_features); - *features |= old_features & (NETIF_F_SOFT_FEATURES | NETIF_F_GSO_SOFTWARE); - *features |= NETIF_F_LLTX; + + netdev_feature_and_bits(NETIF_F_SOFT_FEATURES | NETIF_F_GSO_SOFTWARE, + &old_features); + netdev_feature_or(features, *features, old_features); + netdev_feature_set_bit(NETIF_F_LLTX_BIT, features); }

static int vlan_ethtool_get_link_ksettings(struct net_device *dev,

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- net/bridge/br_device.c | 16 +++++++++++----- net/bridge/br_if.c | 4 ++-- 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index fc508b9..c9894b9 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -490,11 +490,17 @@ void br_dev_setup(struct net_device *dev) SET_NETDEV_DEVTYPE(dev, &br_type); dev->priv_flags = IFF_EBRIDGE | IFF_NO_QUEUE;

- dev->features = COMMON_FEATURES | NETIF_F_LLTX | NETIF_F_NETNS_LOCAL | - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; - dev->hw_features = COMMON_FEATURES | NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX; - dev->vlan_features = COMMON_FEATURES; + netdev_feature_zero(&dev->features); + netdev_feature_set_bits(COMMON_FEATURES | NETIF_F_LLTX | + NETIF_F_NETNS_LOCAL | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX, + &dev->features); + netdev_feature_zero(&dev->hw_features); + netdev_feature_set_bits(COMMON_FEATURES | NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX, &dev->hw_features); + netdev_feature_zero(&dev->vlan_features); + netdev_feature_set_bits(COMMON_FEATURES, &dev->vlan_features);

br->dev = dev; spin_lock_init(&br->lock); diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index be64802..c94e329 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -540,8 +540,8 @@ void br_features_recompute(struct net_bridge *br, netdev_features_t *features) if (list_empty(&br->port_list)) return;

- mask = *features; - *features &= ~NETIF_F_ONE_FOR_ALL; + netdev_feature_copy(&mask, *features); + netdev_feature_clear_bits(NETIF_F_ONE_FOR_ALL, features);

list_for_each_entry(p, &br->port_list, list) { netdev_increment_features(features, *features, p->dev->features,

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/bonding/bond_main.c | 107 ++++++++++++++++++++++++------------- drivers/net/bonding/bond_options.c | 12 +++-- 2 files changed, 77 insertions(+), 42 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 3f1554c..785b12c 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1365,15 +1365,15 @@ static void bond_fix_features(struct net_device *dev,

#if IS_ENABLED(CONFIG_TLS_DEVICE) if (bond_sk_check(bond)) - *features |= BOND_TLS_FEATURES; + netdev_feature_set_bits(BOND_TLS_FEATURES, features); else - *features &= ~BOND_TLS_FEATURES; + netdev_feature_clear_bits(BOND_TLS_FEATURES, features); #endif

- mask = *features; + netdev_feature_copy(&mask, *features);

- *features &= ~NETIF_F_ONE_FOR_ALL; - *features |= NETIF_F_ALL_FOR_ALL; + netdev_feature_clear_bits(NETIF_F_ONE_FOR_ALL, features); + netdev_feature_set_bits(NETIF_F_ALL_FOR_ALL, features);

bond_for_each_slave(bond, slave, iter) { netdev_increment_features(features, *features, @@ -1397,12 +1397,16 @@ static void bond_compute_features(struct bonding *bond) { unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM; - netdev_features_t vlan_features = BOND_VLAN_FEATURES; - netdev_features_t enc_features = BOND_ENC_FEATURES; + netdev_features_t vlan_features; + netdev_features_t enc_features; + netdev_features_t vlan_mask; + netdev_features_t enc_mask; #ifdef CONFIG_XFRM_OFFLOAD - netdev_features_t xfrm_features = BOND_XFRM_FEATURES; + netdev_features_t xfrm_features; + netdev_features_t xfrm_mask; #endif /* CONFIG_XFRM_OFFLOAD */ - netdev_features_t mpls_features = BOND_MPLS_FEATURES; + netdev_features_t mpls_features; + netdev_features_t mpls_mask; struct net_device *bond_dev = bond->dev; struct list_head *iter; struct slave *slave; @@ -1410,29 +1414,44 @@ static void bond_compute_features(struct bonding *bond) unsigned int gso_max_size = GSO_MAX_SIZE; u16 gso_max_segs = GSO_MAX_SEGS;

+ netdev_feature_zero(&vlan_features); + netdev_feature_set_bits(BOND_VLAN_FEATURES, &vlan_features); + netdev_feature_copy(&vlan_mask, vlan_features); + netdev_feature_zero(&enc_features); + netdev_feature_set_bits(BOND_ENC_FEATURES, &enc_features); + netdev_feature_copy(&enc_mask, enc_features); +#ifdef CONFIG_XFRM_OFFLOAD + netdev_feature_zero(&xfrm_features); + netdev_feature_set_bits(BOND_XFRM_FEATURES, &xfrm_features); + netdev_feature_copy(&xfrm_mask, xfrm_features); +#endif /* CONFIG_XFRM_OFFLOAD */ + netdev_feature_zero(&mpls_features); + netdev_feature_set_bits(BOND_MPLS_FEATURES, &mpls_features); + netdev_feature_copy(&mpls_mask, mpls_features); + if (!bond_has_slaves(bond)) goto done; - vlan_features &= NETIF_F_ALL_FOR_ALL; - mpls_features &= NETIF_F_ALL_FOR_ALL; + netdev_feature_clear_bits(NETIF_F_ALL_FOR_ALL, &vlan_features); + netdev_feature_clear_bits(NETIF_F_ALL_FOR_ALL, &mpls_features);

bond_for_each_slave(bond, slave, iter) { netdev_increment_features(&vlan_features, vlan_features, slave->dev->vlan_features, - BOND_VLAN_FEATURES); + vlan_mask);

netdev_increment_features(&enc_features, enc_features, slave->dev->hw_enc_features, - BOND_ENC_FEATURES); + enc_mask);

#ifdef CONFIG_XFRM_OFFLOAD netdev_increment_features(&xfrm_features, xfrm_features, slave->dev->hw_enc_features, - BOND_XFRM_FEATURES); + xfrm_features); #endif /* CONFIG_XFRM_OFFLOAD */

netdev_increment_features(&mpls_features, mpls_features, slave->dev->mpls_features, - BOND_MPLS_FEATURES); + mpls_mask);

dst_release_flag &= slave->dev->priv_flags; if (slave->dev->hard_header_len > max_hard_header_len) @@ -1444,14 +1463,16 @@ static void bond_compute_features(struct bonding *bond) bond_dev->hard_header_len = max_hard_header_len;

done: - bond_dev->vlan_features = vlan_features; - bond_dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL | - NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX; + netdev_feature_copy(&bond_dev->vlan_features, vlan_features); + netdev_feature_copy(&bond_dev->hw_enc_features, enc_features); + netdev_feature_set_bits(NETIF_F_GSO_ENCAP_ALL | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX, &mpls_features); #ifdef CONFIG_XFRM_OFFLOAD - bond_dev->hw_enc_features |= xfrm_features; + netdev_feature_or(&bond_dev->vlan_features, bond_dev->vlan_features, + xfrm_features); #endif /* CONFIG_XFRM_OFFLOAD */ - bond_dev->mpls_features = mpls_features; + netdev_feature_copy(&bond_dev->mpls_features, mpls_features); bond_dev->gso_max_segs = gso_max_segs; netif_set_gso_max_size(bond_dev, gso_max_size);

@@ -1764,7 +1785,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,

/* vlan challenged mutual exclusion */ /* no need to lock since we're protected by rtnl_lock */ - if (slave_dev->features & NETIF_F_VLAN_CHALLENGED) { + if (netdev_feature_test_bit(NETIF_F_VLAN_CHALLENGED_BIT, + slave_dev->features)) { slave_dbg(bond_dev, slave_dev, "is NETIF_F_VLAN_CHALLENGED\n"); if (vlan_uses_dev(bond_dev)) { NL_SET_ERR_MSG(extack, "Can not enslave VLAN challenged device to VLAN enabled bond"); @@ -1777,7 +1799,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev, slave_dbg(bond_dev, slave_dev, "is !NETIF_F_VLAN_CHALLENGED\n"); }

- if (slave_dev->features & NETIF_F_HW_ESP) + if (netdev_feature_test_bit(NETIF_F_HW_ESP_BIT, slave_dev->features)) slave_dbg(bond_dev, slave_dev, "is esp-hw-offload capable\n");

/* Old ifenslave binaries are no longer supported. These can @@ -2072,7 +2094,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev, } #endif

- if (!(bond_dev->features & NETIF_F_LRO)) + if (!netdev_feature_test_bit(NETIF_F_LRO_BIT, bond_dev->features)) dev_disable_lro(slave_dev);

res = netdev_rx_handler_register(slave_dev, bond_handle_frame, @@ -2272,8 +2294,9 @@ static int __bond_release_one(struct net_device *bond_dev, struct slave *slave, *oldcurrent; struct sockaddr_storage ss; int old_flags = bond_dev->flags; - netdev_features_t old_features = bond_dev->features; + netdev_features_t old_features;

+ netdev_feature_copy(&old_features, bond_dev->features); /* slave is not a slave or master is not master of this slave */ if (!(slave_dev->flags & IFF_SLAVE) || !netdev_has_upper_dev(slave_dev, bond_dev)) { @@ -2377,8 +2400,10 @@ static int __bond_release_one(struct net_device *bond_dev, }

bond_compute_features(bond); - if (!(bond_dev->features & NETIF_F_VLAN_CHALLENGED) && - (old_features & NETIF_F_VLAN_CHALLENGED)) + if (!netdev_feature_test_bit(NETIF_F_VLAN_CHALLENGED_BIT, + bond_dev->features) && + netdev_feature_test_bit(NETIF_F_VLAN_CHALLENGED_BIT, + old_features)) slave_info(bond_dev, slave_dev, "last VLAN challenged slave left bond - VLAN blocking is removed\n");

vlan_vids_del_by_dev(slave_dev, bond_dev); @@ -5398,7 +5423,7 @@ void bond_setup(struct net_device *bond_dev) #endif /* CONFIG_XFRM_OFFLOAD */

/* don't acquire bond device's netif_tx_lock when transmitting */ - bond_dev->features |= NETIF_F_LLTX; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &bond_dev->features);

/* By default, we declare the bond to be fully * VLAN hardware accelerated capable. Special @@ -5408,24 +5433,30 @@ void bond_setup(struct net_device *bond_dev) */

/* Don't allow bond devices to change network namespaces. */ - bond_dev->features |= NETIF_F_NETNS_LOCAL; + netdev_feature_set_bit(NETIF_F_NETNS_LOCAL_BIT, &bond_dev->features);

- bond_dev->hw_features = BOND_VLAN_FEATURES | + netdev_feature_zero(&bond_dev->hw_features); + netdev_feature_set_bits(BOND_VLAN_FEATURES | NETIF_F_HW_VLAN_CTAG_RX | - NETIF_F_HW_VLAN_CTAG_FILTER; - - bond_dev->hw_features |= NETIF_F_GSO_ENCAP_ALL; - bond_dev->features |= bond_dev->hw_features; - bond_dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; + NETIF_F_HW_VLAN_CTAG_FILTER, + &bond_dev->hw_features); + + netdev_feature_set_bits(NETIF_F_GSO_ENCAP_ALL, &bond_dev->hw_features); + netdev_feature_or(&bond_dev->features, bond_dev->features, + bond_dev->hw_features); + netdev_feature_set_bits(NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX, + &bond_dev->features); #ifdef CONFIG_XFRM_OFFLOAD - bond_dev->hw_features |= BOND_XFRM_FEATURES; + netdev_feature_set_bits(BOND_XFRM_FEATURES, &bond_dev->hw_features); /* Only enable XFRM features if this is an active-backup config */ if (BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP) - bond_dev->features |= BOND_XFRM_FEATURES; + netdev_feature_set_bits(BOND_XFRM_FEATURES, + &bond_dev->features); #endif /* CONFIG_XFRM_OFFLOAD */ #if IS_ENABLED(CONFIG_TLS_DEVICE) if (bond_sk_check(bond)) - bond_dev->features |= BOND_TLS_FEATURES; + netdev_feature_set_bits(BOND_TLS_FEATURES, &bond_dev->features); #endif }

diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index a8fde3b..b0c3a28 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -778,9 +778,11 @@ static bool bond_set_xfrm_features(struct bonding *bond) return false;

if (BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP) - bond->dev->wanted_features |= BOND_XFRM_FEATURES; + netdev_feature_set_bits(BOND_XFRM_FEATURES, + &bond->dev->wanted_features); else - bond->dev->wanted_features &= ~BOND_XFRM_FEATURES; + netdev_feature_clear_bits(BOND_XFRM_FEATURES, + &bond->dev->wanted_features);

return true; } @@ -791,9 +793,11 @@ static bool bond_set_tls_features(struct bonding *bond) return false;

if (bond_sk_check(bond)) - bond->dev->wanted_features |= BOND_TLS_FEATURES; + netdev_feature_set_bits(BOND_TLS_FEATURES, + &bond->dev->wanted_features); else - bond->dev->wanted_features &= ~BOND_TLS_FEATURES; + netdev_feature_clear_bits(BOND_TLS_FEATURES, + &bond->dev->wanted_features);

return true; }

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/tun.c | 48 +++++++++++++++++++++++++++++++----------------- 1 file changed, 31 insertions(+), 17 deletions(-)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c index ca0aa4c..be45675 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1083,9 +1083,11 @@ static void tun_net_fix_features(struct net_device *dev, netdev_features_t *features) { struct tun_struct *tun = netdev_priv(dev); + netdev_features_t tmp;

- *features = (*features & tun->set_features) | - (*features & ~TUN_USER_FEATURES); + netdev_feature_and(&tmp, *features, tun->set_features); + netdev_feature_clear_bits(TUN_USER_FEATURES, features); + netdev_feature_or(features, *features, tmp); }

static void tun_set_headroom(struct net_device *dev, int new_hr) @@ -2727,13 +2729,18 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) tun_net_init(dev); tun_flow_init(tun);

- dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST | - TUN_USER_FEATURES | NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX; - dev->features = dev->hw_features | NETIF_F_LLTX; - dev->vlan_features = dev->features & - ~(NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX); + netdev_feature_zero(&dev->hw_features); + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_FRAGLIST | + TUN_USER_FEATURES | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX, + &dev->hw_features); + netdev_feature_copy(&dev->features, dev->hw_features); + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); + netdev_feature_copy(&dev->vlan_features, dev->features); + netdev_feature_clear_bits(NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX, + &dev->vlan_features);

tun->flags = (tun->flags & ~TUN_FEATURES) | (ifr->ifr_flags & TUN_FEATURES); @@ -2795,21 +2802,26 @@ static void tun_get_iff(struct tun_struct *tun, struct ifreq *ifr) * privs required. */ static int set_offload(struct tun_struct *tun, unsigned long arg) { - netdev_features_t features = 0; + netdev_features_t features; + + netdev_feature_zero(&features);

if (arg & TUN_F_CSUM) { - features |= NETIF_F_HW_CSUM; + netdev_feature_set_bit(NETIF_F_HW_CSUM_BIT, &features); arg &= ~TUN_F_CSUM;

if (arg & (TUN_F_TSO4|TUN_F_TSO6)) { if (arg & TUN_F_TSO_ECN) { - features |= NETIF_F_TSO_ECN; + netdev_feature_set_bit(NETIF_F_TSO_ECN_BIT, + &features); arg &= ~TUN_F_TSO_ECN; } if (arg & TUN_F_TSO4) - features |= NETIF_F_TSO; + netdev_feature_set_bit(NETIF_F_TSO_BIT, + &features); if (arg & TUN_F_TSO6) - features |= NETIF_F_TSO6; + netdev_feature_set_bit(NETIF_F_TSO6_BIT, + &features); arg &= ~(TUN_F_TSO4|TUN_F_TSO6); }

@@ -2821,9 +2833,11 @@ static int set_offload(struct tun_struct *tun, unsigned long arg) if (arg) return -EINVAL;

- tun->set_features = features; - tun->dev->wanted_features &= ~TUN_USER_FEATURES; - tun->dev->wanted_features |= features; + netdev_feature_copy(&tun->set_features, features); + netdev_feature_clear_bits(TUN_USER_FEATURES, + &tun->dev->wanted_features); + netdev_feature_or(&tun->dev->wanted_features, + tun->dev->wanted_features, features); netdev_update_features(tun->dev);

return 0;

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/geneve.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 1ab94b5..d2179c1 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1219,14 +1219,16 @@ static void geneve_setup(struct net_device *dev)

SET_NETDEV_DEVTYPE(dev, &geneve_type);

- dev->features |= NETIF_F_LLTX; - dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST; - dev->features |= NETIF_F_RXCSUM; - dev->features |= NETIF_F_GSO_SOFTWARE; - - dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST; - dev->hw_features |= NETIF_F_RXCSUM; - dev->hw_features |= NETIF_F_GSO_SOFTWARE; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST, + &dev->features); + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, &dev->features); + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, &dev->features); + + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST, + &dev->hw_features); + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, &dev->hw_features); + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, &dev->hw_features);

/* MTU range: 68 - (something less than 65535) */ dev->min_mtu = ETH_MIN_MTU;

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/macvlan.c | 49 +++++++++++++++++++++++++++++++------------------ 1 file changed, 31 insertions(+), 18 deletions(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 3c408653..9ac38e2 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -620,7 +620,8 @@ static int macvlan_open(struct net_device *dev) /* Attempt to populate accel_priv which is used to offload the L2 * forwarding requests for unicast packets. */ - if (lowerdev->features & NETIF_F_HW_L2FW_DOFFLOAD) + if (netdev_feature_test_bit(NETIF_F_HW_L2FW_DOFFLOAD_BIT, + lowerdev->features)) vlan->accel_priv = lowerdev->netdev_ops->ndo_dfwd_add_station(lowerdev, dev);

@@ -893,12 +894,15 @@ static int macvlan_init(struct net_device *dev)

dev->state = (dev->state & ~MACVLAN_STATE_MASK) | (lowerdev->state & MACVLAN_STATE_MASK); - dev->features = lowerdev->features & MACVLAN_FEATURES; - dev->features |= ALWAYS_ON_FEATURES; - dev->hw_features |= NETIF_F_LRO; - dev->vlan_features = lowerdev->vlan_features & MACVLAN_FEATURES; - dev->vlan_features |= ALWAYS_ON_OFFLOADS; - dev->hw_enc_features |= dev->features; + netdev_feature_copy(&dev->features, lowerdev->features); + netdev_feature_and_bits(MACVLAN_FEATURES, &dev->features); + netdev_feature_set_bits(ALWAYS_ON_FEATURES, &dev->features); + netdev_feature_set_bit(NETIF_F_LRO_BIT, &dev->hw_features); + netdev_feature_copy(&dev->vlan_features, lowerdev->vlan_features); + netdev_feature_and_bits(MACVLAN_FEATURES, &dev->vlan_features); + netdev_feature_set_bits(ALWAYS_ON_OFFLOADS, &dev->vlan_features); + netdev_feature_or(&dev->hw_enc_features, dev->hw_enc_features, + dev->features); dev->gso_max_size = lowerdev->gso_max_size; dev->gso_max_segs = lowerdev->gso_max_segs; dev->hard_header_len = lowerdev->hard_header_len; @@ -1071,17 +1075,25 @@ static void macvlan_fix_features(struct net_device *dev, netdev_features_t *features) { struct macvlan_dev *vlan = netdev_priv(dev); - netdev_features_t lowerdev_features = vlan->lowerdev->features; - netdev_features_t mask; - - *features |= NETIF_F_ALL_FOR_ALL; - *features &= (vlan->set_features | ~MACVLAN_FEATURES); - mask = *features; - - lowerdev_features &= (*features | ~NETIF_F_LRO); + netdev_features_t lowerdev_features; + netdev_features_t mask, tmp; + + netdev_feature_copy(&lowerdev_features, vlan->lowerdev->features); + netdev_feature_set_bits(NETIF_F_ALL_FOR_ALL, features); + netdev_feature_fill(&tmp); + netdev_feature_clear_bits(MACVLAN_FEATURES, &tmp); + netdev_feature_or(&tmp, tmp, vlan->set_features); + netdev_feature_and(features, *features, tmp); + netdev_feature_copy(&mask, *features); + + netdev_feature_fill(&tmp); + netdev_feature_clear_bit(NETIF_F_LRO_BIT, &tmp); + netdev_feature_or(&tmp, tmp, *features); + netdev_feature_and(&lowerdev_features, lowerdev_features, tmp); netdev_increment_features(features, lowerdev_features, *features, mask); - *features |= ALWAYS_ON_FEATURES; - *features &= (ALWAYS_ON_FEATURES | MACVLAN_FEATURES); + netdev_feature_set_bits(ALWAYS_ON_FEATURES, features); + netdev_feature_and_bits(ALWAYS_ON_FEATURES | MACVLAN_FEATURES, + features); }

#ifdef CONFIG_NET_POLL_CONTROLLER @@ -1458,7 +1470,8 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, vlan->lowerdev = lowerdev; vlan->dev = dev; vlan->port = port; - vlan->set_features = MACVLAN_FEATURES; + netdev_feature_zero(&vlan->set_features); + netdev_feature_set_bits(MACVLAN_FEATURES, &vlan->set_features);

vlan->mode = MACVLAN_MODE_VEPA; if (data && data[IFLA_MACVLAN_MODE])

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/s390/net/qeth_core_main.c | 114 +++++++++++++++++++++++--------------- drivers/s390/net/qeth_l2_main.c | 44 ++++++++++----- drivers/s390/net/qeth_l3_main.c | 41 +++++++++----- 3 files changed, 124 insertions(+), 75 deletions(-)

diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index a472f47..3a586c1 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -5616,7 +5616,8 @@ static void qeth_receive_skb(struct qeth_card *card, struct sk_buff *skb, return; }

- if (is_cso && (card->dev->features & NETIF_F_RXCSUM)) { + if (is_cso && netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, + card->dev->features)) { skb->ip_summed = CHECKSUM_UNNECESSARY; QETH_CARD_STAT_INC(card, rx_skb_csum); } else { @@ -6393,10 +6394,10 @@ static struct net_device *qeth_alloc_netdev(struct qeth_card *card)

dev->ethtool_ops = &qeth_ethtool_ops; dev->priv_flags &= ~IFF_TX_SKB_SHARING; - dev->hw_features |= NETIF_F_SG; - dev->vlan_features |= NETIF_F_SG; + netdev_feature_set_bit(NETIF_F_SG_BIT, &dev->hw_features); + netdev_feature_set_bit(NETIF_F_SG_BIT, &dev->vlan_features); if (IS_IQD(card)) - dev->features |= NETIF_F_SG; + netdev_feature_set_bit(NETIF_F_SG_BIT, &dev->features);

return dev; } @@ -6843,18 +6844,21 @@ void qeth_enable_hw_features(struct net_device *dev) struct qeth_card *card = dev->ml_priv; netdev_features_t features;

- features = dev->features; + netdev_feature_copy(&features, dev->features); /* force-off any feature that might need an IPA sequence. * netdev_update_features() will restart them. */ - dev->features &= ~dev->hw_features; + netdev_feature_andnot(&dev->features, dev->features, + dev->hw_features); /* toggle VLAN filter, so that VIDs are re-programmed: */ if (IS_LAYER2(card) && IS_VM_NIC(card)) { - dev->features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; - dev->wanted_features |= NETIF_F_HW_VLAN_CTAG_FILTER; + netdev_feature_clear_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + &dev->features); + netdev_feature_set_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + &dev->wanted_features); } netdev_update_features(dev); - if (features != dev->features) + if (!netdev_feature_equal(features, dev->features)) dev_warn(&card->gdev->dev, "Device recovery failed to restore all offload features\n"); } @@ -6864,69 +6868,84 @@ static void qeth_check_restricted_features(struct qeth_card *card, netdev_features_t changed, netdev_features_t actual) { - netdev_features_t ipv6_features = NETIF_F_TSO6; - netdev_features_t ipv4_features = NETIF_F_TSO; + u64 ipv6_features = NETIF_F_TSO6; + u64 ipv4_features = NETIF_F_TSO;

if (!card->info.has_lp2lp_cso_v6) ipv6_features |= NETIF_F_IPV6_CSUM; if (!card->info.has_lp2lp_cso_v4) ipv4_features |= NETIF_F_IP_CSUM;

- if ((changed & ipv6_features) && !(actual & ipv6_features)) + if (netdev_feature_test_bits(ipv6_features, changed) && + !netdev_feature_test_bits(ipv6_features, actual)) qeth_flush_local_addrs6(card); - if ((changed & ipv4_features) && !(actual & ipv4_features)) + if (netdev_feature_test_bits(ipv4_features, changed) && + !netdev_feature_test_bits(ipv4_features, actual)) qeth_flush_local_addrs4(card); }

int qeth_set_features(struct net_device *dev, netdev_features_t features) { struct qeth_card *card = dev->ml_priv; - netdev_features_t changed = dev->features ^ features; + netdev_features_t changed, tmp1, tmp2; int rc = 0;

QETH_CARD_TEXT(card, 2, "setfeat"); QETH_CARD_HEX(card, 2, &features, sizeof(features));

- if ((changed & NETIF_F_IP_CSUM)) { - rc = qeth_set_ipa_csum(card, features & NETIF_F_IP_CSUM, + netdev_feature_xor(&changed, dev->features, features); + if (netdev_feature_test_bit(NETIF_F_IP_CSUM_BIT, changed)) { + rc = qeth_set_ipa_csum(card, + netdev_feature_test_bit(NETIF_F_IP_CSUM_BIT, + features), IPA_OUTBOUND_CHECKSUM, QETH_PROT_IPV4, &card->info.has_lp2lp_cso_v4); if (rc) - changed ^= NETIF_F_IP_CSUM; + netdev_feature_change_bit(NETIF_F_IP_CSUM_BIT, &changed); } - if (changed & NETIF_F_IPV6_CSUM) { - rc = qeth_set_ipa_csum(card, features & NETIF_F_IPV6_CSUM, + if (netdev_feature_test_bit(NETIF_F_IPV6_CSUM_BIT, changed)) { + rc = qeth_set_ipa_csum(card, + netdev_feature_test_bit(NETIF_F_IPV6_CSUM_BIT, + features), IPA_OUTBOUND_CHECKSUM, QETH_PROT_IPV6, &card->info.has_lp2lp_cso_v6); if (rc) - changed ^= NETIF_F_IPV6_CSUM; + netdev_feature_change_bit(NETIF_F_IPV6_CSUM_BIT, &changed); } - if (changed & NETIF_F_RXCSUM) { - rc = qeth_set_ipa_rx_csum(card, features & NETIF_F_RXCSUM); + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, changed)) { + rc = qeth_set_ipa_rx_csum(card, + netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, + features)); if (rc) - changed ^= NETIF_F_RXCSUM; + netdev_feature_change_bit(NETIF_F_RXCSUM_BIT, &changed); } - if (changed & NETIF_F_TSO) { - rc = qeth_set_ipa_tso(card, features & NETIF_F_TSO, + if (netdev_feature_test_bit(NETIF_F_TSO_BIT, changed)) { + rc = qeth_set_ipa_tso(card, + netdev_feature_test_bit(NETIF_F_TSO_BIT, + features), QETH_PROT_IPV4); if (rc) - changed ^= NETIF_F_TSO; + netdev_feature_change_bit(NETIF_F_TSO_BIT, &changed); } - if (changed & NETIF_F_TSO6) { - rc = qeth_set_ipa_tso(card, features & NETIF_F_TSO6, + if (netdev_feature_test_bit(NETIF_F_TSO6_BIT, changed)) { + rc = qeth_set_ipa_tso(card, + netdev_feature_test_bit(NETIF_F_TSO6_BIT, + features), QETH_PROT_IPV6); if (rc) - changed ^= NETIF_F_TSO6; + netdev_feature_change_bit(NETIF_F_TSO6_BIT, &changed); }

- qeth_check_restricted_features(card, dev->features ^ features, - dev->features ^ changed); + netdev_feature_xor(&tmp1, dev->features, features); + netdev_feature_xor(&tmp2, dev->features, changed); + qeth_check_restricted_features(card, tmp1, tmp2);

/* everything changed successfully? */ - if ((dev->features ^ features) == changed) + netdev_feature_xor(&tmp1, dev->features, features); + if (netdev_feature_equal(tmp1, changed)) return 0; /* something went wrong. save changed features and return error */ - dev->features ^= changed; + netdev_feature_xor(&dev->features, dev->features, changed); return -EIO; } EXPORT_SYMBOL_GPL(qeth_set_features); @@ -6937,16 +6956,16 @@ void qeth_fix_features(struct net_device *dev, netdev_features_t *features)

QETH_CARD_TEXT(card, 2, "fixfeat"); if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) - *features &= ~NETIF_F_IP_CSUM; + netdev_feature_clear_bit(NETIF_F_IP_CSUM_BIT, features); if (!qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) - *features &= ~NETIF_F_IPV6_CSUM; + netdev_feature_clear_bit(NETIF_F_IPV6_CSUM_BIT, features); if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM) && !qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) - *features &= ~NETIF_F_RXCSUM; + netdev_feature_clear_bit(NETIF_F_RXCSUM_BIT, features); if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) - *features &= ~NETIF_F_TSO; + netdev_feature_clear_bit(NETIF_F_TSO_BIT, features); if (!qeth_is_supported6(card, IPA_OUTBOUND_TSO)) - *features &= ~NETIF_F_TSO6; + netdev_feature_clear_bit(NETIF_F_TSO6_BIT, features);

QETH_CARD_HEX(card, 2, features, sizeof(*features)); } @@ -6960,25 +6979,30 @@ void qeth_features_check(struct sk_buff *skb, struct net_device *dev, /* Traffic with local next-hop is not eligible for some offloads: */ if (skb->ip_summed == CHECKSUM_PARTIAL && READ_ONCE(card->options.isolation) != ISOLATION_MODE_FWD) { - netdev_features_t restricted = 0; + netdev_features_t restricted;

+ netdev_feature_zero(&restricted); if (skb_is_gso(skb) && !netif_needs_gso(skb, *features)) - restricted |= NETIF_F_ALL_TSO; + netdev_feature_set_bits(NETIF_F_ALL_TSO, &restricted);

switch (vlan_get_protocol(skb)) { case htons(ETH_P_IP): if (!card->info.has_lp2lp_cso_v4) - restricted |= NETIF_F_IP_CSUM; + netdev_feature_set_bit(NETIF_F_IP_CSUM_BIT, + &restricted);

if (restricted && qeth_next_hop_is_local_v4(card, skb)) - *features &= ~restricted; + netdev_feature_andnot(features, features, + &restricted); break; case htons(ETH_P_IPV6): if (!card->info.has_lp2lp_cso_v6) - restricted |= NETIF_F_IPV6_CSUM; + netdev_feature_set_bit(NETIF_F_IPV6_CSUM_BIT, + &restricted);

if (restricted && qeth_next_hop_is_local_v6(card, skb)) - *features &= ~restricted; + netdev_feature_andnot(features, *features, + restricted); break; default: break; @@ -7000,7 +7024,7 @@ void qeth_features_check(struct sk_buff *skb, struct net_device *dev,

/* linearize only if resulting skb allocations are order-0: */ if (SKB_DATA_ALIGN(hroom + doffset + hsize) <= SKB_MAX_HEAD(0)) - *features &= ~NETIF_F_SG; + netdev_feature_clear_bit(NETIF_F_SG_BIT, features); }

vlan_features_check(skb, features); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 4871f71..ecb9b1e 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1079,40 +1079,54 @@ static int qeth_l2_setup_netdev(struct qeth_card *card) card->dev->priv_flags |= IFF_UNICAST_FLT;

if (IS_OSM(card)) { - card->dev->features |= NETIF_F_VLAN_CHALLENGED; + netdev_feature_set_bit(NETIF_F_VLAN_CHALLENGED_BIT, + &card->dev->features); } else { if (!IS_VM_NIC(card)) - card->dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; - card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + netdev_feature_set_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + &card->dev->hw_features); + netdev_feature_set_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + &card->dev->features); }

if (IS_OSD(card) && !IS_VM_NIC(card)) { - card->dev->features |= NETIF_F_SG; + netdev_feature_set_bit(NETIF_F_SG_BIT, &card->dev->features); /* OSA 3S and earlier has no RX/TX support */ if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { - card->dev->hw_features |= NETIF_F_IP_CSUM; - card->dev->vlan_features |= NETIF_F_IP_CSUM; + netdev_feature_set_bit(NETIF_F_IP_CSUM_BIT, + &card->dev->hw_features); + netdev_feature_set_bit(NETIF_F_IP_CSUM_BIT, + &card->dev->vlan_features); } } if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { - card->dev->hw_features |= NETIF_F_IPV6_CSUM; - card->dev->vlan_features |= NETIF_F_IPV6_CSUM; + netdev_feature_set_bit(NETIF_F_IPV6_CSUM_BIT, + &card->dev->hw_features); + netdev_feature_set_bit(NETIF_F_IPV6_CSUM_BIT, + &card->dev->vlan_features); } if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) || qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) { - card->dev->hw_features |= NETIF_F_RXCSUM; - card->dev->vlan_features |= NETIF_F_RXCSUM; + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, + &card->dev->hw_features); + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, + &card->dev->vlan_features); } if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { - card->dev->hw_features |= NETIF_F_TSO; - card->dev->vlan_features |= NETIF_F_TSO; + netdev_feature_set_bit(NETIF_F_TSO_BIT, + &card->dev->hw_features); + netdev_feature_set_bit(NETIF_F_TSO_BIT, + &card->dev->vlan_features); } if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { - card->dev->hw_features |= NETIF_F_TSO6; - card->dev->vlan_features |= NETIF_F_TSO6; + netdev_feature_set_bit(NETIF_F_TSO6_BIT, + &card->dev->hw_features); + netdev_feature_set_bit(NETIF_F_TSO6_BIT, + &card->dev->vlan_features); }

- if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) { + if (netdev_feature_test_bits(NETIF_F_TSO | NETIF_F_TSO6, + card->dev->hw_features)) { card->dev->needed_headroom = sizeof(struct qeth_hdr_tso); netif_keep_dst(card->dev); netif_set_gso_max_size(card->dev, diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 76c37ee..71feb90 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1809,7 +1809,8 @@ static void qeth_l3_osa_features_check(struct sk_buff *skb, netdev_features_t *features) { if (vlan_get_protocol(skb) != htons(ETH_P_IP)) - *features &= ~NETIF_F_HW_VLAN_CTAG_TX; + netdev_feature_clear_bit(NETIF_F_HW_VLAN_CTAG_TX_BIT, + features); qeth_features_check(skb, dev, features); }

@@ -1878,26 +1879,35 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) dev->dev_id = qeth_l3_get_unique_id(card, dev->dev_id);

if (!IS_VM_NIC(card)) { - card->dev->features |= NETIF_F_SG; - card->dev->hw_features |= NETIF_F_TSO | - NETIF_F_RXCSUM | NETIF_F_IP_CSUM; - card->dev->vlan_features |= NETIF_F_TSO | - NETIF_F_RXCSUM | NETIF_F_IP_CSUM; + netdev_feature_set_bit(NETIF_F_SG_BIT, + &card->dev->features); + netdev_feature_set_bits(NETIF_F_TSO | NETIF_F_RXCSUM | + NETIF_F_IP_CSUM, + &card->dev->hw_features); + netdev_feature_set_bits(NETIF_F_TSO | NETIF_F_RXCSUM | + NETIF_F_IP_CSUM, + &card->dev->vlan_features); }

if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { - card->dev->hw_features |= NETIF_F_IPV6_CSUM; - card->dev->vlan_features |= NETIF_F_IPV6_CSUM; + netdev_feature_set_bit(NETIF_F_IPV6_CSUM_BIT, + &card->dev->hw_features); + netdev_feature_set_bit(NETIF_F_IPV6_CSUM_BIT, + &card->dev->vlan_features); } if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { - card->dev->hw_features |= NETIF_F_TSO6; - card->dev->vlan_features |= NETIF_F_TSO6; + netdev_feature_set_bit(NETIF_F_TSO6_BIT, + &card->dev->hw_features); + netdev_feature_set_bit(NETIF_F_TSO6_BIT, + &card->dev->vlan_features); }

/* allow for de-acceleration of NETIF_F_HW_VLAN_CTAG_TX: */ - if (card->dev->hw_features & NETIF_F_TSO6) + if (netdev_feature_test_bit(NETIF_F_TSO6_BIT, + card->dev->hw_features)) headroom = sizeof(struct qeth_hdr_tso) + VLAN_HLEN; - else if (card->dev->hw_features & NETIF_F_TSO) + else if (netdev_feature_test_bit(NETIF_F_TSO_BIT, + card->dev->hw_features)) headroom = sizeof(struct qeth_hdr_tso); else headroom = sizeof(struct qeth_hdr) + VLAN_HLEN; @@ -1913,11 +1923,12 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) return -ENODEV;

card->dev->needed_headroom = headroom; - card->dev->features |= NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_CTAG_RX; + netdev_feature_set_bits(NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX, &card->dev->features);

netif_keep_dst(card->dev); - if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) + if (netdev_feature_test_bit(NETIF_F_TSO | NETIF_F_TSO6, + card->dev->hw_features)) netif_set_gso_max_size(card->dev, PAGE_SIZE * (QETH_MAX_BUFFER_ELEMENTS(card) - 1));

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/dsa/xrs700x/xrs700x.c | 6 ++++-- net/dsa/slave.c | 15 +++++++++------ 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/net/dsa/xrs700x/xrs700x.c b/drivers/net/dsa/xrs700x/xrs700x.c index 130abb0..898426c 100644 --- a/drivers/net/dsa/xrs700x/xrs700x.c +++ b/drivers/net/dsa/xrs700x/xrs700x.c @@ -639,7 +639,8 @@ static int xrs700x_hsr_join(struct dsa_switch *ds, int port, hsr_pair[1] = partner->index; for (i = 0; i < ARRAY_SIZE(hsr_pair); i++) { slave = dsa_to_port(ds, hsr_pair[i])->slave; - slave->features |= XRS7000X_SUPPORTED_HSR_FEATURES; + netdev_feature_set_bits(XRS7000X_SUPPORTED_HSR_FEATURES, + &slave->features); }

return 0; @@ -693,7 +694,8 @@ static int xrs700x_hsr_leave(struct dsa_switch *ds, int port, hsr_pair[1] = partner->index; for (i = 0; i < ARRAY_SIZE(hsr_pair); i++) { slave = dsa_to_port(ds, hsr_pair[i])->slave; - slave->features &= ~XRS7000X_SUPPORTED_HSR_FEATURES; + netdev_feature_clear_bits(XRS7000X_SUPPORTED_HSR_FEATURES, + &slave->features); }

return 0; diff --git a/net/dsa/slave.c b/net/dsa/slave.c index acf73db..8ddfed4 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -1815,13 +1815,16 @@ void dsa_slave_setup_tagger(struct net_device *slave)

p->xmit = cpu_dp->tag_ops->xmit;

- slave->features = master->vlan_features | NETIF_F_HW_TC; + netdev_feature_copy(&slave->features, master->vlan_features); + netdev_feature_set_bit(NETIF_F_HW_TC_BIT, &slave->features); if (ds->ops->port_vlan_add && ds->ops->port_vlan_del) - slave->features |= NETIF_F_HW_VLAN_CTAG_FILTER; - slave->hw_features |= NETIF_F_HW_TC; - slave->features |= NETIF_F_LLTX; + netdev_feature_set_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + &slave->features); + netdev_feature_set_bit(NETIF_F_HW_TC_BIT, &slave->hw_features); + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &slave->features); if (slave->needed_tailroom) - slave->features &= ~(NETIF_F_SG | NETIF_F_FRAGLIST); + netdev_feature_clear_bits(NETIF_F_SG | NETIF_F_FRAGLIST, + &slave->features); }

static struct lock_class_key dsa_slave_netdev_xmit_lock_key; @@ -1900,7 +1903,7 @@ int dsa_slave_create(struct dsa_port *port)

SET_NETDEV_DEV(slave_dev, port->ds->dev); slave_dev->dev.of_node = port->dn; - slave_dev->vlan_features = master->vlan_features; + netdev_feature_copy(&slave_dev->features, master->vlan_features);

p = netdev_priv(slave_dev); slave_dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/team/team.c | 69 ++++++++++++++++++++++++++++++------------------- 1 file changed, 42 insertions(+), 27 deletions(-)

diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index fa96ee6..207771e 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -985,21 +985,30 @@ static void team_port_disable(struct team *team, static void __team_compute_features(struct team *team) { struct team_port *port; - netdev_features_t vlan_features = TEAM_VLAN_FEATURES & - NETIF_F_ALL_FOR_ALL; - netdev_features_t enc_features = TEAM_ENC_FEATURES; unsigned short max_hard_header_len = ETH_HLEN; unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM; + netdev_features_t vlan_features; + netdev_features_t enc_features; + netdev_features_t mask_vlan; + netdev_features_t mask_enc; + + netdev_feature_zero(&vlan_features); + netdev_feature_set_bits(TEAM_VLAN_FEATURES & NETIF_F_ALL_FOR_ALL, + &vlan_features); + netdev_feature_zero(&enc_features); + netdev_feature_set_bits(TEAM_ENC_FEATURES, &enc_features); + netdev_feature_zero(&mask_vlan); + netdev_feature_set_bits(TEAM_VLAN_FEATURES, &mask_vlan); + netdev_feature_zero(&mask_enc); + netdev_feature_set_bits(TEAM_ENC_FEATURES, &mask_enc);

rcu_read_lock(); list_for_each_entry_rcu(port, &team->port_list, list) { netdev_increment_features(&vlan_features, vlan_features, - port->dev->vlan_features, - TEAM_VLAN_FEATURES); + port->dev->vlan_features, mask_vlan); netdev_increment_features(&enc_features, enc_features, - port->dev->hw_enc_features, - TEAM_ENC_FEATURES); + port->dev->hw_enc_features, mask_enc);

dst_release_flag &= port->dev->priv_flags; if (port->dev->hard_header_len > max_hard_header_len) @@ -1007,10 +1016,12 @@ static void __team_compute_features(struct team *team) } rcu_read_unlock();

- team->dev->vlan_features = vlan_features; - team->dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL | - NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_STAG_TX; + netdev_feature_copy(&team->dev->vlan_features, vlan_features); + netdev_feature_copy(&team->dev->hw_enc_features, enc_features); + netdev_feature_set_bits(NETIF_F_GSO_ENCAP_ALL | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX, + &team->dev->hw_enc_features); team->dev->hard_header_len = max_hard_header_len;

team->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; @@ -1161,7 +1172,8 @@ static int team_port_add(struct team *team, struct net_device *port_dev, return -EBUSY; }

- if (port_dev->features & NETIF_F_VLAN_CHALLENGED && + if (netdev_feature_test_bit(NETIF_F_VLAN_CHALLENGED_BIT, + port_dev->features) && vlan_uses_dev(dev)) { NL_SET_ERR_MSG(extack, "Device is VLAN challenged and team device has VLAN set up"); netdev_err(dev, "Device %s is VLAN challenged and team device has VLAN set up\n", @@ -1226,7 +1238,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev, goto err_enable_netpoll; }

- if (!(dev->features & NETIF_F_LRO)) + if (!netdev_feature_test_bit(NETIF_F_LRO_BIT, dev->features)) dev_disable_lro(port_dev);

err = netdev_rx_handler_register(port_dev, team_handle_frame, @@ -2000,9 +2012,9 @@ static void team_fix_features(struct net_device *dev, struct team *team = netdev_priv(dev); netdev_features_t mask;

- mask = *features; - *features &= ~NETIF_F_ONE_FOR_ALL; - *features |= NETIF_F_ALL_FOR_ALL; + netdev_feature_copy(&mask, *features); + netdev_feature_clear_bits(NETIF_F_ONE_FOR_ALL, features); + netdev_feature_set_bits(NETIF_F_ALL_FOR_ALL, features);

rcu_read_lock(); list_for_each_entry_rcu(port, &team->port_list, list) { @@ -2160,19 +2172,22 @@ static void team_setup(struct net_device *dev) */ dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE;

- dev->features |= NETIF_F_LLTX; - dev->features |= NETIF_F_GRO; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); + netdev_feature_set_bit(NETIF_F_GRO_BIT, &dev->features);

/* Don't allow team devices to change network namespaces. */ - dev->features |= NETIF_F_NETNS_LOCAL; - - dev->hw_features = TEAM_VLAN_FEATURES | - NETIF_F_HW_VLAN_CTAG_RX | - NETIF_F_HW_VLAN_CTAG_FILTER; - - dev->hw_features |= NETIF_F_GSO_ENCAP_ALL; - dev->features |= dev->hw_features; - dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX; + netdev_feature_set_bit(NETIF_F_NETNS_LOCAL_BIT, &dev->features); + + netdev_feature_set_bits(TEAM_VLAN_FEATURES | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER, + &dev->hw_features); + + netdev_feature_set_bits(NETIF_F_GSO_ENCAP_ALL, &dev->hw_features); + netdev_feature_or(&dev->features, dev->features, dev->hw_features); + netdev_feature_set_bits(NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX, + &dev->features); }

static int team_newlink(struct net *src_net, struct net_device *dev,

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- net/core/pktgen.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 314f97ac..25d7f59 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2813,7 +2813,8 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,

if (!(pkt_dev->flags & F_UDPCSUM)) { skb->ip_summed = CHECKSUM_NONE; - } else if (odev->features & (NETIF_F_HW_CSUM | NETIF_F_IP_CSUM)) { + } else if (netdev_feature_test_bits(NETIF_F_HW_CSUM | NETIF_F_IP_CSUM, + odev->features)) { skb->ip_summed = CHECKSUM_PARTIAL; skb->csum = 0; udp4_hwcsum(skb, iph->saddr, iph->daddr); @@ -2948,7 +2949,8 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,

if (!(pkt_dev->flags & F_UDPCSUM)) { skb->ip_summed = CHECKSUM_NONE; - } else if (odev->features & (NETIF_F_HW_CSUM | NETIF_F_IPV6_CSUM)) { + } else if (netdev_feature_test_bits(NETIF_F_HW_CSUM | NETIF_F_IPV6_CSUM, + odev->features)) { skb->ip_summed = CHECKSUM_PARTIAL; skb->csum_start = skb_transport_header(skb) - skb->head; skb->csum_offset = offsetof(struct udphdr, check);

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/virtio_net.c | 51 +++++++++++++++++++++++++++++++----------------- 1 file changed, 33 insertions(+), 18 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 2e42210..5859f8f 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2635,11 +2635,12 @@ static int virtnet_set_features(struct net_device *dev, u64 offloads; int err;

- if ((dev->features ^ features) & NETIF_F_LRO) { + if (netdev_feature_test_bit(NETIF_F_LRO_BIT, dev->features) != + netdev_feature_test_bit(NETIF_F_LRO_BIT, features)) { if (vi->xdp_enabled) return -EBUSY;

- if (features & NETIF_F_LRO) + if (netdev_feature_test_bit(NETIF_F_LRO_BIT, features)) offloads = vi->guest_offloads_capable; else offloads = vi->guest_offloads_capable & @@ -2878,7 +2879,8 @@ static int virtnet_find_vqs(struct virtnet_info *vi) if (vi->has_cvq) { vi->cvq = vqs[total_vqs - 1]; if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VLAN)) - vi->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + netdev_feature_set_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + &vi->dev->features); }

for (i = 0; i < vi->max_queue_pairs; i++) { @@ -3089,7 +3091,8 @@ static int virtnet_probe(struct virtio_device *vdev) dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE | IFF_TX_SKB_NO_LINEAR; dev->netdev_ops = &virtnet_netdev; - dev->features = NETIF_F_HIGHDMA; + netdev_feature_zero(&dev->features); + netdev_feature_set_bit(NETIF_F_HIGHDMA_BIT, &dev->features);

dev->ethtool_ops = &virtnet_ethtool_ops; SET_NETDEV_DEV(dev, &vdev->dev); @@ -3097,37 +3100,49 @@ static int virtnet_probe(struct virtio_device *vdev) /* Do we support "hardware" checksums? */ if (virtio_has_feature(vdev, VIRTIO_NET_F_CSUM)) { /* This opens up the world of extra features. */ - dev->hw_features |= NETIF_F_HW_CSUM | NETIF_F_SG; + netdev_feature_set_bits(NETIF_F_HW_CSUM | NETIF_F_SG, + &dev->hw_features); if (csum) - dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; + netdev_feature_set_bits(NETIF_F_HW_CSUM | NETIF_F_SG, + &dev->features);

if (virtio_has_feature(vdev, VIRTIO_NET_F_GSO)) { - dev->hw_features |= NETIF_F_TSO - | NETIF_F_TSO_ECN | NETIF_F_TSO6; + netdev_feature_set_bits(NETIF_F_TSO | NETIF_F_TSO_ECN | + NETIF_F_TSO6, + &dev->hw_features); } /* Individual feature bits: what can host handle? */ if (virtio_has_feature(vdev, VIRTIO_NET_F_HOST_TSO4)) - dev->hw_features |= NETIF_F_TSO; + netdev_feature_set_bit(NETIF_F_TSO_BIT, + &dev->hw_features); if (virtio_has_feature(vdev, VIRTIO_NET_F_HOST_TSO6)) - dev->hw_features |= NETIF_F_TSO6; + netdev_feature_set_bit(NETIF_F_TSO6_BIT, + &dev->hw_features); if (virtio_has_feature(vdev, VIRTIO_NET_F_HOST_ECN)) - dev->hw_features |= NETIF_F_TSO_ECN; + netdev_feature_set_bit(NETIF_F_TSO_ECN_BIT, + &dev->hw_features);

- dev->features |= NETIF_F_GSO_ROBUST; + netdev_feature_set_bit(NETIF_F_GSO_ROBUST_BIT, &dev->features);

- if (gso) - dev->features |= dev->hw_features & NETIF_F_ALL_TSO; + if (gso) { + netdev_features_t tmp; + + netdev_feature_zero(&tmp); + netdev_feature_set_bits(NETIF_F_ALL_TSO, &tmp); + netdev_feature_and(&dev->features, dev->hw_features, + tmp); + } /* (!csum && gso) case will be fixed by register_netdev() */ } if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_CSUM)) - dev->features |= NETIF_F_RXCSUM; + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, &dev->features); if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) || virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6)) - dev->features |= NETIF_F_LRO; + netdev_feature_set_bit(NETIF_F_LRO_BIT, &dev->features); if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_GUEST_OFFLOADS)) - dev->hw_features |= NETIF_F_LRO; + netdev_feature_set_bit(NETIF_F_LRO_BIT, &dev->hw_features);

- dev->vlan_features = dev->features; + netdev_feature_copy(&dev->vlan_features, dev->features);

/* MTU range: 68 - 65535 */ dev->min_mtu = MIN_MTU;

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- include/net/udp.h | 8 ++++++-- include/net/udp_tunnel.h | 12 ++++++++---- net/ipv4/af_inet.c | 3 ++- net/ipv4/esp4_offload.c | 29 ++++++++++++++++++----------- net/ipv4/gre_offload.c | 8 +++++--- net/ipv4/ip_gre.c | 36 ++++++++++++++++++++++-------------- net/ipv4/ip_output.c | 23 +++++++++++++++-------- net/ipv4/ip_tunnel.c | 4 +++- net/ipv4/ip_vti.c | 2 +- net/ipv4/ipip.c | 6 +++--- net/ipv4/ipmr.c | 2 +- net/ipv4/tcp_offload.c | 5 ++++- net/ipv4/udp_offload.c | 28 +++++++++++++++++----------- 13 files changed, 105 insertions(+), 61 deletions(-)

diff --git a/include/net/udp.h b/include/net/udp.h index 360df45..3855b97 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -481,14 +481,18 @@ void udpv6_encap_enable(void); static inline struct sk_buff *udp_rcv_segment(struct sock *sk, struct sk_buff *skb, bool ipv4) { - netdev_features_t features = NETIF_F_SG; + netdev_features_t features; struct sk_buff *segs;

+ netdev_feature_zero(&features); + netdev_feature_set_bit(NETIF_F_SG_BIT, &features); + /* Avoid csum recalculation by skb_segment unless userspace explicitly * asks for the final checksum values */ if (!inet_get_convert_csum(sk)) - features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + netdev_feature_set_bits(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM, + &features);

/* UDP segmentation expects packets of type CHECKSUM_PARTIAL or * CHECKSUM_NONE in __udp_gso_segment. UDP GRO indeed builds partial diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h index afc7ce7..68c1a54 100644 --- a/include/net/udp_tunnel.h +++ b/include/net/udp_tunnel.h @@ -129,7 +129,8 @@ void udp_tunnel_notify_del_rx_port(struct socket *sock, unsigned short type); static inline void udp_tunnel_get_rx_info(struct net_device *dev) { ASSERT_RTNL(); - if (!(dev->features & NETIF_F_RX_UDP_TUNNEL_PORT)) + if (!netdev_feature_test_bit(NETIF_F_RX_UDP_TUNNEL_PORT_BIT, + dev->features)) return; call_netdevice_notifiers(NETDEV_UDP_TUNNEL_PUSH_INFO, dev); } @@ -137,7 +138,8 @@ static inline void udp_tunnel_get_rx_info(struct net_device *dev) static inline void udp_tunnel_drop_rx_info(struct net_device *dev) { ASSERT_RTNL(); - if (!(dev->features & NETIF_F_RX_UDP_TUNNEL_PORT)) + if (!netdev_feature_test_bit(NETIF_F_RX_UDP_TUNNEL_PORT_BIT, + dev->features)) return; call_netdevice_notifiers(NETDEV_UDP_TUNNEL_DROP_INFO, dev); } @@ -326,7 +328,8 @@ udp_tunnel_nic_set_port_priv(struct net_device *dev, unsigned int table, static inline void udp_tunnel_nic_add_port(struct net_device *dev, struct udp_tunnel_info *ti) { - if (!(dev->features & NETIF_F_RX_UDP_TUNNEL_PORT)) + if (!netdev_feature_test_bit(NETIF_F_RX_UDP_TUNNEL_PORT_BIT, + dev->features)) return; if (udp_tunnel_nic_ops) udp_tunnel_nic_ops->add_port(dev, ti); @@ -335,7 +338,8 @@ udp_tunnel_nic_add_port(struct net_device *dev, struct udp_tunnel_info *ti) static inline void udp_tunnel_nic_del_port(struct net_device *dev, struct udp_tunnel_info *ti) { - if (!(dev->features & NETIF_F_RX_UDP_TUNNEL_PORT)) + if (!netdev_feature_test_bit(NETIF_F_RX_UDP_TUNNEL_PORT_BIT, + dev->features)) return; if (udp_tunnel_nic_ops) udp_tunnel_nic_ops->del_port(dev, ti); diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 0e4d758..2932eba 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1361,7 +1361,8 @@ struct sk_buff *inet_gso_segment(struct sk_buff *skb,

encap = SKB_GSO_CB(skb)->encap_level > 0; if (encap) - features &= skb->dev->hw_enc_features; + netdev_feature_and(&features, features, + skb->dev->hw_enc_features); SKB_GSO_CB(skb)->encap_level += ihl;

skb_reset_transport_header(skb); diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c index 8e4e9aa..77c876e 100644 --- a/net/ipv4/esp4_offload.c +++ b/net/ipv4/esp4_offload.c @@ -189,8 +189,8 @@ static struct sk_buff *esp4_gso_segment(struct sk_buff *skb, struct xfrm_state *x; struct ip_esp_hdr *esph; struct crypto_aead *aead; - netdev_features_t esp_features = features; struct xfrm_offload *xo = xfrm_offload(skb); + netdev_features_t esp_features; struct sec_path *sp;

if (!xo) @@ -214,14 +214,20 @@ static struct sk_buff *esp4_gso_segment(struct sk_buff *skb,

skb->encap_hdr_csum = 1;

- if ((!(skb->dev->gso_partial_features & NETIF_F_HW_ESP) && - !(features & NETIF_F_HW_ESP)) || x->xso.dev != skb->dev) - esp_features = features & ~(NETIF_F_SG | NETIF_F_CSUM_MASK | - NETIF_F_SCTP_CRC); - else if (!(features & NETIF_F_HW_ESP_TX_CSUM) && - !(skb->dev->gso_partial_features & NETIF_F_HW_ESP_TX_CSUM)) - esp_features = features & ~(NETIF_F_CSUM_MASK | - NETIF_F_SCTP_CRC); + netdev_feature_copy(&esp_features, features); + if ((!netdev_feature_test_bit(NETIF_F_HW_ESP_BIT, + skb->dev->gso_partial_features) && + !netdev_feature_test_bit(NETIF_F_HW_ESP_BIT, features)) || + x->xso.dev != skb->dev) + netdev_feature_clear_bits(NETIF_F_SG | NETIF_F_CSUM_MASK | + NETIF_F_SCTP_CRC, &esp_features); + + else if (!netdev_feature_test_bit(NETIF_F_HW_ESP_TX_CSUM_BIT, + features) && + !netdev_feature_test_bit(NETIF_F_HW_ESP_TX_CSUM_BIT, + skb->dev->gso_partial_features)) + netdev_feature_clear_bits(NETIF_F_CSUM_MASK | NETIF_F_SCTP_CRC, + &esp_features);

xo->flags |= XFRM_GSO_SEGMENT;

@@ -261,8 +267,9 @@ static int esp_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features_ if (!xo) return -EINVAL;

- if ((!(features & NETIF_F_HW_ESP) && - !(skb->dev->gso_partial_features & NETIF_F_HW_ESP)) || + if ((!netdev_feature_test_bit(NETIF_F_HW_ESP_BIT, features) && + !netdev_feature_test_bit(NETIF_F_HW_ESP_BIT, + skb->dev->gso_partial_features)) || x->xso.dev != skb->dev) { xo->flags |= CRYPTO_FALLBACK; hw_offload = false; diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c index 1121a9d..65f22fa 100644 --- a/net/ipv4/gre_offload.c +++ b/net/ipv4/gre_offload.c @@ -43,14 +43,16 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb, need_csum = !!(skb_shinfo(skb)->gso_type & SKB_GSO_GRE_CSUM); skb->encap_hdr_csum = need_csum;

- features &= skb->dev->hw_enc_features; + netdev_feature_and(&features, features, skb->dev->hw_enc_features); + if (need_csum) - features &= ~NETIF_F_SCTP_CRC; + netdev_feature_clear_bit(NETIF_F_SCTP_CRC_BIT, &features);

need_ipsec = skb_dst(skb) && dst_xfrm(skb_dst(skb)); /* Try to offload checksum if possible */ offload_csum = !!(need_csum && !need_ipsec && - (skb->dev->features & NETIF_F_HW_CSUM)); + netdev_feature_test_bit(NETIF_F_HW_CSUM_BIT, + skb->dev->features));

/* segment inner packet. */ segs = skb_mac_gso_segment(skb, features); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 6ebf058..9cf14d3 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -762,16 +762,22 @@ static void ipgre_link_update(struct net_device *dev, bool set_mtu) if (!(tunnel->parms.o_flags & TUNNEL_SEQ)) { if (!(tunnel->parms.o_flags & TUNNEL_CSUM) || tunnel->encap.type == TUNNEL_ENCAP_NONE) { - dev->features |= NETIF_F_GSO_SOFTWARE; - dev->hw_features |= NETIF_F_GSO_SOFTWARE; + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, + &dev->features); + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, + &dev->hw_features); } else { - dev->features &= ~NETIF_F_GSO_SOFTWARE; - dev->hw_features &= ~NETIF_F_GSO_SOFTWARE; + netdev_feature_clear_bits(NETIF_F_GSO_SOFTWARE, + &dev->features); + netdev_feature_clear_bits(NETIF_F_GSO_SOFTWARE, + &dev->hw_features); } - dev->features |= NETIF_F_LLTX; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); } else { - dev->hw_features &= ~NETIF_F_GSO_SOFTWARE; - dev->features &= ~(NETIF_F_LLTX | NETIF_F_GSO_SOFTWARE); + netdev_feature_clear_bits(NETIF_F_GSO_SOFTWARE, + &dev->hw_features); + netdev_feature_clear_bits(NETIF_F_LLTX | NETIF_F_GSO_SOFTWARE, + &dev->features); } }

@@ -953,8 +959,8 @@ static void __gre_tunnel_init(struct net_device *dev) tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen; dev->needed_headroom = tunnel->hlen + sizeof(tunnel->parms.iph);

- dev->features |= GRE_FEATURES; - dev->hw_features |= GRE_FEATURES; + netdev_feature_set_bits(GRE_FEATURES, &dev->features); + netdev_feature_set_bits(GRE_FEATURES, &dev->hw_features);

if (!(tunnel->parms.o_flags & TUNNEL_SEQ)) { /* TCP offload with GRE SEQ is not supported, nor @@ -963,14 +969,16 @@ static void __gre_tunnel_init(struct net_device *dev) */ if (!(tunnel->parms.o_flags & TUNNEL_CSUM) || (tunnel->encap.type == TUNNEL_ENCAP_NONE)) { - dev->features |= NETIF_F_GSO_SOFTWARE; - dev->hw_features |= NETIF_F_GSO_SOFTWARE; + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, + &dev->features); + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, + &dev->hw_features); }

/* Can use a lockless transmit, unless we generate * output sequences */ - dev->features |= NETIF_F_LLTX; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); } }

@@ -1298,8 +1306,8 @@ static int erspan_tunnel_init(struct net_device *dev) tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen + erspan_hdr_len(tunnel->erspan_ver);

- dev->features |= GRE_FEATURES; - dev->hw_features |= GRE_FEATURES; + netdev_feature_set_bits(GRE_FEATURES, &dev->features); + netdev_feature_set_bits(GRE_FEATURES, &dev->hw_features); dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; netif_keep_dst(dev);

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index e458f1f..fb0288a 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -257,7 +257,8 @@ static int ip_finish_output_gso(struct net *net, struct sock *sk, */ netif_skb_features(skb, &features); BUILD_BUG_ON(sizeof(*IPCB(skb)) > SKB_GSO_CB_OFFSET); - segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK); + netdev_feature_clear_bits(NETIF_F_GSO_MASK, &features); + segs = skb_gso_segment(skb, features); if (IS_ERR_OR_NULL(segs)) { kfree_skb(skb); return -ENOMEM; @@ -1005,9 +1006,11 @@ static int __ip_append_data(struct sock *sk, */ if (transhdrlen && length + fragheaderlen <= mtu && - rt->dst.dev->features & (NETIF_F_HW_CSUM | NETIF_F_IP_CSUM) && + netdev_feature_test_bits(NETIF_F_HW_CSUM | NETIF_F_IP_CSUM, + rt->dst.dev->features) && (!(flags & MSG_MORE) || cork->gso_size) && - (!exthdrlen || (rt->dst.dev->features & NETIF_F_HW_ESP_TX_CSUM))) + (!exthdrlen || netdev_feature_test_bits(NETIF_F_HW_ESP_TX_CSUM_BIT, + rt->dst.dev->features))) csummode = CHECKSUM_PARTIAL;

if (flags & MSG_ZEROCOPY && length && sock_flag(sk, SOCK_ZEROCOPY)) { @@ -1015,7 +1018,8 @@ static int __ip_append_data(struct sock *sk, if (!uarg) return -ENOBUFS; extra_uref = !skb_zcopy(skb); /* only ref on new uarg */ - if (rt->dst.dev->features & NETIF_F_SG && + if (netdev_feature_test_bits(NETIF_F_SG_BIT, + rt->dst.dev->features) && csummode == CHECKSUM_PARTIAL) { paged = true; } else { @@ -1078,11 +1082,13 @@ static int __ip_append_data(struct sock *sk, alloc_extra += rt->dst.trailer_len;

if ((flags & MSG_MORE) && - !(rt->dst.dev->features&NETIF_F_SG)) + !netdev_feature_test_bits(NETIF_F_SG_BIT, + rt->dst.dev->features)) alloclen = mtu; else if (!paged && (fraglen + alloc_extra < SKB_MAX_ALLOC || - !(rt->dst.dev->features & NETIF_F_SG))) + !netdev_feature_test_bits(NETIF_F_SG_BIT, + rt->dst.dev->features))) alloclen = fraglen; else { alloclen = min_t(int, fraglen, MAX_HEADER); @@ -1170,7 +1176,8 @@ static int __ip_append_data(struct sock *sk, if (copy > length) copy = length;

- if (!(rt->dst.dev->features&NETIF_F_SG) && + if (!netdev_feature_test_bits(NETIF_F_SG_BIT, + rt->dst.dev->features) && skb_tailroom(skb) >= copy) { unsigned int off;

@@ -1349,7 +1356,7 @@ ssize_t ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page, if (cork->flags & IPCORK_OPT) opt = cork->opt;

- if (!(rt->dst.dev->features & NETIF_F_SG)) + if (!netdev_feature_test_bits(NETIF_F_SG_BIT, rt->dst.dev->features)) return -EOPNOTSUPP;

hh_len = LL_RESERVED_SPACE(rt->dst.dev); diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index fe9101d..ac5671e 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -1072,7 +1072,9 @@ int ip_tunnel_init_net(struct net *net, unsigned int ip_tnl_net_id, * Allowing to move it to another netns is clearly unsafe. */ if (!IS_ERR(itn->fb_tunnel_dev)) { - itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL; + netdev_feature_set_bit(NETIF_F_NETNS_LOCAL_BIT, + &itn->fb_tunnel_dev->features); + itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev); ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev)); itn->type = itn->fb_tunnel_dev->type; diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index efe25a0..bf94ef6 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -430,7 +430,7 @@ static int vti_tunnel_init(struct net_device *dev)

dev->flags = IFF_NOARP; dev->addr_len = 4; - dev->features |= NETIF_F_LLTX; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); netif_keep_dst(dev);

return ip_tunnel_init(dev); diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 3aa78cc..b587d47 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -368,11 +368,11 @@ static void ipip_tunnel_setup(struct net_device *dev) dev->type = ARPHRD_TUNNEL; dev->flags = IFF_NOARP; dev->addr_len = 4; - dev->features |= NETIF_F_LLTX; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); netif_keep_dst(dev);

- dev->features |= IPIP_FEATURES; - dev->hw_features |= IPIP_FEATURES; + netdev_feature_set_bits(IPIP_FEATURES, &dev->features); + netdev_feature_set_bits(IPIP_FEATURES, &dev->hw_features); ip_tunnel_setup(dev, ipip_net_id); }

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 2dda856..750a4a1 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -532,7 +532,7 @@ static void reg_vif_setup(struct net_device *dev) dev->flags = IFF_NOARP; dev->netdev_ops = &reg_vif_netdev_ops; dev->needs_free_netdev = true; - dev->features |= NETIF_F_NETNS_LOCAL; + netdev_feature_set_bit(NETIF_F_NETNS_LOCAL_BIT, &dev->features); }

static struct net_device *ipmr_reg_vif(struct net *net, struct mr_table *mrt) diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c index fc61cd3..4bf0a0d 100644 --- a/net/ipv4/tcp_offload.c +++ b/net/ipv4/tcp_offload.c @@ -65,6 +65,7 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb, struct sk_buff *gso_skb = skb; __sum16 newcheck; bool ooo_okay, copy_destructor; + netdev_features_t tmp;

th = tcp_hdr(skb); thlen = th->doff * 4; @@ -81,7 +82,9 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb, if (unlikely(skb->len <= mss)) goto out;

- if (skb_gso_ok(skb, features | NETIF_F_GSO_ROBUST)) { + netdev_feature_copy(&tmp, features); + netdev_feature_set_bit(NETIF_F_GSO_ROBUST_BIT, &tmp); + if (skb_gso_ok(skb, tmp)) { /* Packet is from an untrusted source, reset gso_segs. */

skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(skb->len, mss); diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 1380a6b..ad9bfde 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -63,22 +63,26 @@ static struct sk_buff *__skb_udp_tunnel_segment(struct sk_buff *skb, /* Try to offload checksum if possible */ offload_csum = !!(need_csum && !need_ipsec && - (skb->dev->features & - (is_ipv6 ? (NETIF_F_HW_CSUM | NETIF_F_IPV6_CSUM) : - (NETIF_F_HW_CSUM | NETIF_F_IP_CSUM)))); - - features &= skb->dev->hw_enc_features; + is_ipv6 ? + netdev_feature_test_bits(NETIF_F_HW_CSUM | + NETIF_F_IPV6_CSUM, + skb->dev->features) : + netdev_feature_test_bits(NETIF_F_HW_CSUM | + NETIF_F_IP_CSUM, + skb->dev->features)); + + netdev_feature_and(&features, features, skb->dev->hw_enc_features); if (need_csum) - features &= ~NETIF_F_SCTP_CRC; + netdev_feature_clear_bit(NETIF_F_SCTP_CRC_BIT, &features);

/* The only checksum offload we care about from here on out is the * outer one so strip the existing checksum feature flags and * instead set the flag based on our outer checksum offload value. */ if (remcsum) { - features &= ~NETIF_F_CSUM_MASK; + netdev_feature_clear_bits(NETIF_F_CSUM_MASK, &features); if (!need_csum || offload_csum) - features |= NETIF_F_HW_CSUM; + netdev_feature_set_bit(NETIF_F_HW_CSUM_BIT, &features); }

/* segment inner packet. */ @@ -414,7 +418,7 @@ static struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, * software prior to segmenting the frame. */ if (!skb->encap_hdr_csum) - features |= NETIF_F_HW_CSUM; + netdev_feature_set_bit(NETIF_F_HW_CSUM_BIT, &features);

/* Fragment the skb. IP headers of the fragments are updated in * inet_gso_segment() @@ -520,10 +524,12 @@ struct sk_buff *udp_gro_receive(struct list_head *head, struct sk_buff *skb, */ NAPI_GRO_CB(skb)->is_flist = 0; if (!sk || !udp_sk(sk)->gro_receive) { - if (skb->dev->features & NETIF_F_GRO_FRAGLIST) + if (netdev_feature_test_bit(NETIF_F_GRO_FRAGLIST_BIT, + skb->dev->features)) NAPI_GRO_CB(skb)->is_flist = sk ? !udp_sk(sk)->gro_enabled : 1;

- if ((!sk && (skb->dev->features & NETIF_F_GRO_UDP_FWD)) || + if ((!sk && netdev_feature_test_bit(NETIF_F_GRO_UDP_FWD_BIT, + skb->dev->features)) || (sk && udp_sk(sk)->gro_enabled) || NAPI_GRO_CB(skb)->is_flist) return call_gro_receive(udp_gro_receive_segment, head, skb);

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- net/ipv6/esp6_offload.c | 19 +++++++++++-------- net/ipv6/ip6_gre.c | 17 ++++++++++------- net/ipv6/ip6_offload.c | 3 ++- net/ipv6/ip6_output.c | 18 ++++++++++++------ net/ipv6/ip6_tunnel.c | 9 +++++---- net/ipv6/ip6mr.c | 2 +- net/ipv6/sit.c | 9 +++++---- net/ipv6/udp_offload.c | 2 +- 8 files changed, 47 insertions(+), 32 deletions(-)

diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c index a349d47..5c2e0da 100644 --- a/net/ipv6/esp6_offload.c +++ b/net/ipv6/esp6_offload.c @@ -228,8 +228,8 @@ static struct sk_buff *esp6_gso_segment(struct sk_buff *skb, struct xfrm_state *x; struct ip_esp_hdr *esph; struct crypto_aead *aead; - netdev_features_t esp_features = features; struct xfrm_offload *xo = xfrm_offload(skb); + netdev_features_t esp_features; struct sec_path *sp;

if (!xo) @@ -253,12 +253,14 @@ static struct sk_buff *esp6_gso_segment(struct sk_buff *skb,

skb->encap_hdr_csum = 1;

- if (!(features & NETIF_F_HW_ESP) || x->xso.dev != skb->dev) - esp_features = features & ~(NETIF_F_SG | NETIF_F_CSUM_MASK | - NETIF_F_SCTP_CRC); - else if (!(features & NETIF_F_HW_ESP_TX_CSUM)) - esp_features = features & ~(NETIF_F_CSUM_MASK | - NETIF_F_SCTP_CRC); + netdev_feature_copy(&esp_features, features); + if (!netdev_feature_test_bit(NETIF_F_HW_ESP_BIT, features) || + x->xso.dev != skb->dev) + netdev_feature_clear_bits(NETIF_F_SG | NETIF_F_CSUM_MASK | + NETIF_F_SCTP_CRC, &esp_features); + else if (!netdev_feature_test_bit(NETIF_F_HW_ESP_TX_CSUM_BIT, features)) + netdev_feature_clear_bits(NETIF_F_CSUM_MASK | NETIF_F_SCTP_CRC, + &esp_features);

xo->flags |= XFRM_GSO_SEGMENT;

@@ -298,7 +300,8 @@ static int esp6_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features if (!xo) return -EINVAL;

- if (!(features & NETIF_F_HW_ESP) || x->xso.dev != skb->dev) { + if (!netdev_feature_test_bit(NETIF_F_HW_ESP_BIT, features) || + x->xso.dev != skb->dev) { xo->flags |= CRYPTO_FALLBACK; hw_offload = false; } diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 3ad201d..336ddf0 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -385,7 +385,7 @@ static struct ip6_tnl *ip6gre_tunnel_locate(struct net *net,

/* Can use a lockless transmit, unless we generate output sequences */ if (!(nt->parms.o_flags & TUNNEL_SEQ)) - dev->features |= NETIF_F_LLTX; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features);

ip6gre_tunnel_link(ign, nt); return nt; @@ -1439,8 +1439,8 @@ static void ip6gre_tnl_init_features(struct net_device *dev) { struct ip6_tnl *nt = netdev_priv(dev);

- dev->features |= GRE6_FEATURES; - dev->hw_features |= GRE6_FEATURES; + netdev_feature_set_bits(GRE6_FEATURES, &dev->features); + netdev_feature_set_bits(GRE6_FEATURES, &dev->hw_features);

if (!(nt->parms.o_flags & TUNNEL_SEQ)) { /* TCP offload with GRE SEQ is not supported, nor @@ -1449,14 +1449,16 @@ static void ip6gre_tnl_init_features(struct net_device *dev) */ if (!(nt->parms.o_flags & TUNNEL_CSUM) || nt->encap.type == TUNNEL_ENCAP_NONE) { - dev->features |= NETIF_F_GSO_SOFTWARE; - dev->hw_features |= NETIF_F_GSO_SOFTWARE; + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, + &dev->features); + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, + &dev->hw_features); }

/* Can use a lockless transmit, unless we generate * output sequences */ - dev->features |= NETIF_F_LLTX; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); } }

@@ -1598,7 +1600,8 @@ static int __net_init ip6gre_init_net(struct net *net) /* FB netdevice is special: we have one, and only one per netns. * Allowing to move it to another netns is clearly unsafe. */ - ign->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL; + netdev_feature_set_bit(NETIF_F_NETNS_LOCAL_BIT, + &ign->fb_tunnel_dev->features);

ip6gre_fb_tunnel_init(ign->fb_tunnel_dev); diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index 1b9827f..4c3ba4b 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -93,7 +93,8 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,

encap = SKB_GSO_CB(skb)->encap_level > 0; if (encap) - features &= skb->dev->hw_enc_features; + netdev_feature_and(&features, features, + skb->dev->hw_enc_features); SKB_GSO_CB(skb)->encap_level += sizeof(*ipv6h);

ipv6h = ipv6_hdr(skb); diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 46a0867..78e01d4 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -147,7 +147,8 @@ ip6_finish_output_gso_slowpath_drop(struct net *net, struct sock *sk, * egress MTU. */ netif_skb_features(skb, &features); - segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK); + netdev_feature_clear_bits(NETIF_F_GSO_MASK, &features); + segs = skb_gso_segment(skb, features); if (IS_ERR_OR_NULL(segs)) { kfree_skb(skb); return -ENOMEM; @@ -1512,7 +1513,8 @@ static int __ip6_append_data(struct sock *sk, headersize == sizeof(struct ipv6hdr) && length <= mtu - headersize && (!(flags & MSG_MORE) || cork->gso_size) && - rt->dst.dev->features & (NETIF_F_IPV6_CSUM | NETIF_F_HW_CSUM)) + netdev_feature_test_bits(NETIF_F_IPV6_CSUM | NETIF_F_HW_CSUM, + rt->dst.dev->features)) csummode = CHECKSUM_PARTIAL;

if (flags & MSG_ZEROCOPY && length && sock_flag(sk, SOCK_ZEROCOPY)) { @@ -1520,7 +1522,8 @@ static int __ip6_append_data(struct sock *sk, if (!uarg) return -ENOBUFS; extra_uref = !skb_zcopy(skb); /* only ref on new uarg */ - if (rt->dst.dev->features & NETIF_F_SG && + if (netdev_feature_test_bit(NETIF_F_SG_BIT, + rt->dst.dev->features) && csummode == CHECKSUM_PARTIAL) { paged = true; } else { @@ -1598,11 +1601,13 @@ static int __ip6_append_data(struct sock *sk, alloc_extra += sizeof(struct frag_hdr);

if ((flags & MSG_MORE) && - !(rt->dst.dev->features&NETIF_F_SG)) + !netdev_feature_test_bit(NETIF_F_SG_BIT, + rt->dst.dev->features)) alloclen = mtu; else if (!paged && (fraglen + alloc_extra < SKB_MAX_ALLOC || - !(rt->dst.dev->features & NETIF_F_SG))) + !netdev_feature_test_bit(NETIF_F_SG_BIT, + rt->dst.dev->features))) alloclen = fraglen; else { alloclen = min_t(int, fraglen, MAX_HEADER); @@ -1705,7 +1710,8 @@ static int __ip6_append_data(struct sock *sk, if (copy > length) copy = length;

- if (!(rt->dst.dev->features&NETIF_F_SG) && + if (!netdev_feature_test_bit(NETIF_F_SG_BIT, + rt->dst.dev->features) && skb_tailroom(skb) >= copy) { unsigned int off;

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 20a67ef..72add9a 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1833,11 +1833,11 @@ static void ip6_tnl_dev_setup(struct net_device *dev) dev->type = ARPHRD_TUNNEL6; dev->flags |= IFF_NOARP; dev->addr_len = sizeof(struct in6_addr); - dev->features |= NETIF_F_LLTX; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); netif_keep_dst(dev);

- dev->features |= IPXIPX_FEATURES; - dev->hw_features |= IPXIPX_FEATURES; + netdev_feature_set_bits(IPXIPX_FEATURES, &dev->features); + netdev_feature_set_bits(IPXIPX_FEATURES, &dev->hw_features);

/* This perm addr will be used as interface identifier by IPv6 */ dev->addr_assign_type = NET_ADDR_RANDOM; @@ -2279,7 +2279,8 @@ static int __net_init ip6_tnl_init_net(struct net *net) /* FB netdevice is special: we have one, and only one per netns. * Allowing to move it to another netns is clearly unsafe. */ - ip6n->fb_tnl_dev->features |= NETIF_F_NETNS_LOCAL; + netdev_feature_set_bits(NETIF_F_NETNS_LOCAL_BIT, + &ip6n->fb_tnl_dev->features);

err = ip6_fb_tnl_dev_init(ip6n->fb_tnl_dev); if (err < 0) diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 36ed9ef..daf2a4b 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -636,7 +636,7 @@ static void reg_vif_setup(struct net_device *dev) dev->flags = IFF_NOARP; dev->netdev_ops = &reg_vif_netdev_ops; dev->needs_free_netdev = true; - dev->features |= NETIF_F_NETNS_LOCAL; + netdev_feature_set_bit(NETIF_F_NETNS_LOCAL_BIT, &dev->features); }

static struct net_device *ip6mr_reg_vif(struct net *net, struct mr_table *mrt) diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index ef0c7a7..58aa232 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -1438,9 +1438,9 @@ static void ipip6_tunnel_setup(struct net_device *dev) dev->flags = IFF_NOARP; netif_keep_dst(dev); dev->addr_len = 4; - dev->features |= NETIF_F_LLTX; - dev->features |= SIT_FEATURES; - dev->hw_features |= SIT_FEATURES; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); + netdev_feature_set_bits(SIT_FEATURES, &dev->features); + netdev_feature_set_bits(SIT_FEATURES, &dev->hw_features); }

static int ipip6_tunnel_init(struct net_device *dev) @@ -1918,7 +1918,8 @@ static int __net_init sit_init_net(struct net *net) /* FB netdevice is special: we have one, and only one per netns. * Allowing to move it to another netns is clearly unsafe. */ - sitn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL; + netdev_feature_set_bit(NETIF_F_NETNS_LOCAL_BIT, + &sitn->fb_tunnel_dev->features);

err = register_netdev(sitn->fb_tunnel_dev); if (err) diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c index b3d9ed9..5911c60 100644 --- a/net/ipv6/udp_offload.c +++ b/net/ipv6/udp_offload.c @@ -69,7 +69,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, * software prior to segmenting the frame. */ if (!skb->encap_hdr_csum) - features |= NETIF_F_HW_CSUM; + netdev_feature_set_bit(NETIF_F_HW_CSUM_BIT, &features);

/* Check if there is enough headroom to insert fragment header. */ tnl_hlen = skb_tnl_header_len(skb);

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- net/nsh/nsh.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/nsh/nsh.c b/net/nsh/nsh.c index e9ca007..a337412 100644 --- a/net/nsh/nsh.c +++ b/net/nsh/nsh.c @@ -104,7 +104,7 @@ static struct sk_buff *nsh_gso_segment(struct sk_buff *skb, skb->mac_len = proto == htons(ETH_P_TEB) ? ETH_HLEN : 0; skb->protocol = proto;

- features &= NETIF_F_SG; + netdev_feature_clear_bit(NETIF_F_SG_BIT, &features); segs = skb_mac_gso_segment(skb, features); if (IS_ERR_OR_NULL(segs)) { skb_gso_error_unwind(skb, htons(ETH_P_NSH), nsh_len,

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/vxlan.c | 21 ++++++++++++--------- include/net/vxlan.h | 4 ++-- 2 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 5a8df5a..e5f7235 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -3294,15 +3294,18 @@ static void vxlan_setup(struct net_device *dev) dev->needs_free_netdev = true; SET_NETDEV_DEVTYPE(dev, &vxlan_type);

- dev->features |= NETIF_F_LLTX; - dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST; - dev->features |= NETIF_F_RXCSUM; - dev->features |= NETIF_F_GSO_SOFTWARE; - - dev->vlan_features = dev->features; - dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST; - dev->hw_features |= NETIF_F_RXCSUM; - dev->hw_features |= NETIF_F_GSO_SOFTWARE; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST, + &dev->features); + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, &dev->features); + + netdev_feature_copy(&dev->vlan_features, dev->features); + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST, + &dev->hw_features); + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, &dev->hw_features); + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, &dev->hw_features); + netif_keep_dst(dev); dev->priv_flags |= IFF_NO_QUEUE;

diff --git a/include/net/vxlan.h b/include/net/vxlan.h index a801e59..dba14ed 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -322,8 +322,8 @@ static inline void vxlan_features_check(struct sk_buff *skb, sizeof(struct udphdr) + sizeof(struct vxlanhdr)) || (skb->ip_summed != CHECKSUM_NONE && !can_checksum_protocol(*features, inner_eth_hdr(skb)->h_proto)))) - *features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); - + netdev_feature_clear_bits(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK, + features); }

/* IP header + UDP + VXLAN + Ethernet header */

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/xen-netfront.c | 37 ++++++++++++++++++++----------------- 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index e40de65..53408f7 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -240,7 +240,7 @@ static const struct attribute_group xennet_dev_group;

static bool xennet_can_sg(struct net_device *dev) { - return dev->features & NETIF_F_SG; + return netdev_feature_test_bit(NETIF_F_SG_BIT, dev->features); }

@@ -1345,28 +1345,29 @@ static void xennet_fix_features(struct net_device *dev, { struct netfront_info *np = netdev_priv(dev);

- if (*features & NETIF_F_SG && + if (netdev_feature_test_bit(NETIF_F_SG_BIT, *features) && !xenbus_read_unsigned(np->xbdev->otherend, "feature-sg", 0)) - *features &= ~NETIF_F_SG; + netdev_feature_clear_bit(NETIF_F_SG_BIT, features);

- if (*features & NETIF_F_IPV6_CSUM && + if (netdev_feature_test_bit(NETIF_F_IPV6_CSUM_BIT, *features) && !xenbus_read_unsigned(np->xbdev->otherend, "feature-ipv6-csum-offload", 0)) - *features &= ~NETIF_F_IPV6_CSUM; + netdev_feature_clear_bit(NETIF_F_IPV6_CSUM_BIT, features);

- if (*features & NETIF_F_TSO && + if (netdev_feature_test_bit(NETIF_F_TSO_BIT, *features) && !xenbus_read_unsigned(np->xbdev->otherend, "feature-gso-tcpv4", 0)) - *features &= ~NETIF_F_TSO; + netdev_feature_clear_bit(NETIF_F_TSO_BIT, features);

- if (*features & NETIF_F_TSO6 && + if (netdev_feature_test_bit(NETIF_F_TSO6_BIT, *features) && !xenbus_read_unsigned(np->xbdev->otherend, "feature-gso-tcpv6", 0)) - *features &= ~NETIF_F_TSO6; + netdev_feature_clear_bit(NETIF_F_TSO6_BIT, features); }

static int xennet_set_features(struct net_device *dev, netdev_features_t features) { - if (!(features & NETIF_F_SG) && dev->mtu > ETH_DATA_LEN) { + if (!netdev_feature_test_bit(NETIF_F_SG_BIT, features) && + dev->mtu > ETH_DATA_LEN) { netdev_info(dev, "Reducing MTU because no SG offload"); dev->mtu = ETH_DATA_LEN; } @@ -1543,19 +1544,21 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev)

netdev->netdev_ops = &xennet_netdev_ops;

- netdev->features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM | - NETIF_F_GSO_ROBUST; - netdev->hw_features = NETIF_F_SG | - NETIF_F_IPV6_CSUM | - NETIF_F_TSO | NETIF_F_TSO6; - + netdev_feature_zero(&netdev->features); + netdev_feature_set_bits(NETIF_F_IP_CSUM | NETIF_F_RXCSUM | + NETIF_F_GSO_ROBUST, &netdev->features); + netdev_feature_zero(&netdev->hw_features); + netdev_feature_set_bits(NETIF_F_SG | + NETIF_F_IPV6_CSUM | + NETIF_F_TSO | NETIF_F_TSO6, &netdev->features); /* * Assume that all hw features are available for now. This set * will be adjusted by the call to netdev_update_features() in * xennet_connect() which is the earliest point where we can * negotiate with the backend regarding supported features. */ - netdev->features |= netdev->hw_features; + netdev_feature_or(&netdev->features, netdev->features, + netdev->hw_features);

netdev->ethtool_ops = &xennet_ethtool_ops; netdev->min_mtu = ETH_MIN_MTU;

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- include/net/sock.h | 7 ++++--- net/core/skmsg.c | 3 ++- net/core/sock.c | 17 +++++++++++------ net/ipv4/af_inet.c | 2 +- net/ipv4/tcp.c | 10 ++++++---- net/ipv4/tcp_ipv4.c | 2 +- net/ipv6/af_inet6.c | 2 +- net/ipv6/inet6_connection_sock.c | 2 +- net/ipv6/tcp_ipv6.c | 2 +- 9 files changed, 28 insertions(+), 19 deletions(-)

diff --git a/include/net/sock.h b/include/net/sock.h index 6e76145..01f38c5 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2061,8 +2061,8 @@ void sk_setup_caps(struct sock *sk, struct dst_entry *dst);

static inline void sk_nocaps_add(struct sock *sk, netdev_features_t flags) { - sk->sk_route_nocaps |= flags; - sk->sk_route_caps &= ~flags; + netdev_feature_or(&sk->sk_route_nocaps, sk->sk_route_nocaps, flags); + netdev_feature_andnot(&sk->sk_route_caps, sk->sk_route_caps, flags); }

static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb, @@ -2074,7 +2074,8 @@ static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb, if (!csum_and_copy_from_iter_full(to, copy, &csum, from)) return -EFAULT; skb->csum = csum_block_add(skb->csum, csum, offset); - } else if (sk->sk_route_caps & NETIF_F_NOCACHE_COPY) { + } else if (netdev_feature_test_bit(NETIF_F_NOCACHE_COPY_BIT, + sk->sk_route_caps)) { if (!copy_from_iter_full_nocache(to, copy, from)) return -EFAULT; } else if (!copy_from_iter_full(to, copy, from)) diff --git a/net/core/skmsg.c b/net/core/skmsg.c index 2d6249b..2ff4a64 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -379,7 +379,8 @@ int sk_msg_memcopy_from_iter(struct sock *sk, struct iov_iter *from, copy = (buf_size > bytes) ? bytes : buf_size; to = sg_virt(sge) + msg->sg.copybreak; msg->sg.copybreak += copy; - if (sk->sk_route_caps & NETIF_F_NOCACHE_COPY) + if (netdev_feature_test_bit(NETIF_F_NOCACHE_COPY_BIT, + sk->sk_route_caps)) ret = copy_from_iter_nocache(to, copy, from); else ret = copy_from_iter(to, copy, from); diff --git a/net/core/sock.c b/net/core/sock.c index aada649..11c04a6 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -2146,15 +2146,20 @@ void sk_setup_caps(struct sock *sk, struct dst_entry *dst) u32 max_segs = 1;

sk_dst_set(sk, dst); - sk->sk_route_caps = dst->dev->features | sk->sk_route_forced_caps; - if (sk->sk_route_caps & NETIF_F_GSO) - sk->sk_route_caps |= NETIF_F_GSO_SOFTWARE; - sk->sk_route_caps &= ~sk->sk_route_nocaps; + netdev_feature_or(&sk->sk_route_caps, dst->dev->features, + sk->sk_route_forced_caps); + if (netdev_feature_test_bit(NETIF_F_GSO_BIT, sk->sk_route_caps)) + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, + &sk->sk_route_caps); + netdev_feature_andnot(&sk->sk_route_caps, sk->sk_route_caps, + sk->sk_route_nocaps); if (sk_can_gso(sk)) { if (dst->header_len && !xfrm_dst_offload_ok(dst)) { - sk->sk_route_caps &= ~NETIF_F_GSO_MASK; + netdev_feature_clear_bits(NETIF_F_GSO_MASK, + &sk->sk_route_caps); } else { - sk->sk_route_caps |= NETIF_F_SG | NETIF_F_HW_CSUM; + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_HW_CSUM, + &sk->sk_route_caps); sk->sk_gso_max_size = dst->dev->gso_max_size; max_segs = max_t(u32, dst->dev->gso_max_segs, 1); } diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 2932eba..80c62ed 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1299,7 +1299,7 @@ int inet_sk_rebuild_header(struct sock *sk) err = PTR_ERR(rt);

/* Routing failed... */ - sk->sk_route_caps = 0; + netdev_feature_zero(&sk->sk_route_caps); /* * Other protocols have to map its equivalent state to TCP_SYN_SENT. * DCCP maps its DCCP_REQUESTING state to TCP_SYN_SENT. -acme diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index f931def..cdcafd5 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -462,7 +462,8 @@ void tcp_init_sock(struct sock *sk) WRITE_ONCE(sk->sk_rcvbuf, sock_net(sk)->ipv4.sysctl_tcp_rmem[1]);

sk_sockets_allocated_inc(sk); - sk->sk_route_forced_caps = NETIF_F_GSO; + netdev_feature_zero(&sk->sk_route_forced_caps); + netdev_feature_set_bit(NETIF_F_GSO_BIT, &sk->sk_route_forced_caps); } EXPORT_SYMBOL(tcp_init_sock);

@@ -1123,7 +1124,7 @@ EXPORT_SYMBOL_GPL(do_tcp_sendpages); int tcp_sendpage_locked(struct sock *sk, struct page *page, int offset, size_t size, int flags) { - if (!(sk->sk_route_caps & NETIF_F_SG)) + if (!netdev_feature_test_bit(NETIF_F_SG_BIT, sk->sk_route_caps)) return sock_no_sendpage_locked(sk, page, offset, size, flags);

tcp_rate_check_app_limited(sk); /* is sending application-limited? */ @@ -1183,7 +1184,7 @@ static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, if (err) { tcp_set_state(sk, TCP_CLOSE); inet->inet_dport = 0; - sk->sk_route_caps = 0; + netdev_feature_zero(&sk->sk_route_caps); } } flags = (msg->msg_flags & MSG_DONTWAIT) ? O_NONBLOCK : 0; @@ -1222,7 +1223,8 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size) goto out_err; }

- zc = sk->sk_route_caps & NETIF_F_SG; + zc = netdev_feature_test_bit(NETIF_F_SG_BIT, + sk->sk_route_caps); if (!zc) uarg->zerocopy = 0; } diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 2e62e0d..60f9ef0 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -323,7 +323,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) */ tcp_set_state(sk, TCP_CLOSE); ip_rt_put(rt); - sk->sk_route_caps = 0; + netdev_feature_zero(&sk->sk_route_caps); inet->inet_dport = 0; return err; } diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index d92c90d..7b8eb28 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -833,7 +833,7 @@ int inet6_sk_rebuild_header(struct sock *sk)

dst = ip6_dst_lookup_flow(sock_net(sk), sk, &fl6, final_p); if (IS_ERR(dst)) { - sk->sk_route_caps = 0; + netdev_feature_zero(&sk->sk_route_caps); sk->sk_err_soft = -PTR_ERR(dst); return PTR_ERR(dst); } diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c index 5a9f4d7..6d83148 100644 --- a/net/ipv6/inet6_connection_sock.c +++ b/net/ipv6/inet6_connection_sock.c @@ -121,7 +121,7 @@ int inet6_csk_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl_unused dst = inet6_csk_route_socket(sk, &fl6); if (IS_ERR(dst)) { sk->sk_err_soft = -PTR_ERR(dst); - sk->sk_route_caps = 0; + netdev_feature_zero(&sk->sk_route_caps); kfree_skb(skb); return PTR_ERR(dst); } diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 0ce52d4..642d640 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -341,7 +341,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, tcp_set_state(sk, TCP_CLOSE); failure: inet->inet_dport = 0; - sk->sk_route_caps = 0; + netdev_feature_zero(&sk->sk_route_caps); return err; }

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/loopback.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index a1c77cc..23cad64 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -174,17 +174,15 @@ static void gen_lo_setup(struct net_device *dev, dev->flags = IFF_LOOPBACK; dev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_NO_QUEUE; netif_keep_dst(dev); - dev->hw_features = NETIF_F_GSO_SOFTWARE; - dev->features = NETIF_F_SG | NETIF_F_FRAGLIST - | NETIF_F_GSO_SOFTWARE - | NETIF_F_HW_CSUM - | NETIF_F_RXCSUM - | NETIF_F_SCTP_CRC - | NETIF_F_HIGHDMA - | NETIF_F_LLTX - | NETIF_F_NETNS_LOCAL - | NETIF_F_VLAN_CHALLENGED - | NETIF_F_LOOPBACK; + netdev_feature_zero(&dev->hw_features); + netdev_feature_set_bits(NETIF_F_GSO_SOFTWARE, &dev->hw_features); + netdev_feature_zero(&dev->features); + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_FRAGLIST | + NETIF_F_GSO_SOFTWARE | NETIF_F_HW_CSUM | + NETIF_F_RXCSUM | NETIF_F_SCTP_CRC | + NETIF_F_HIGHDMA | NETIF_F_LLTX | + NETIF_F_NETNS_LOCAL | NETIF_F_VLAN_CHALLENGED | + NETIF_F_LOOPBACK, &dev->hw_features); dev->ethtool_ops = eth_ops; dev->header_ops = hdr_ops; dev->netdev_ops = dev_ops;

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- net/mac80211/iface.c | 10 +++++++--- net/mac80211/main.c | 5 ++++- 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 1e5e9fc..784f87a 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1991,13 +1991,17 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, ieee80211_setup_sdata(sdata, type);

if (ndev) { + netdev_features_t tmp; + ndev->ieee80211_ptr->use_4addr = params->use_4addr; if (type == NL80211_IFTYPE_STATION) sdata->u.mgd.use_4addr = params->use_4addr;

- ndev->features |= local->hw.netdev_features; - ndev->hw_features |= ndev->features & - MAC80211_SUPPORTED_FEATURES_TX; + netdev_feature_or(&ndev->features, ndev->features, + local->hw.netdev_features); + netdev_feature_copy(&tmp, ndev->features); + netdev_feature_and_bits(MAC80211_SUPPORTED_FEATURES_TX, &tmp); + netdev_feature_or(&ndev->hw_features, ndev->hw_features, tmp);

netdev_set_default_ethtool_ops(ndev, &ieee80211_ethtool_ops);

diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 05f4c3c..9b69e53 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -909,6 +909,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) int channels, max_bitrates; bool supp_ht, supp_vht, supp_he; struct cfg80211_chan_def dflt_chandef = {}; + netdev_features_t tmp;

if (ieee80211_hw_check(hw, QUEUE_CONTROL) && (local->hw.offchannel_tx_hw_queue == IEEE80211_INVAL_HW_QUEUE || @@ -958,7 +959,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) }

/* Only HW csum features are currently compatible with mac80211 */ - if (WARN_ON(hw->netdev_features & ~MAC80211_SUPPORTED_FEATURES)) + netdev_feature_copy(&tmp, hw->netdev_features); + netdev_feature_clear_bits(MAC80211_SUPPORTED_FEATURES, &tmp); + if (WARN_ON(!netdev_feature_empty(tmp))) return -EINVAL;

if (hw->max_report_rates == 0)

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/gtp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 30e0a10..ddc55d3 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -639,7 +639,7 @@ static void gtp_link_setup(struct net_device *dev) dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;

dev->priv_flags |= IFF_NO_QUEUE; - dev->features |= NETIF_F_LLTX; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); netif_keep_dst(dev);

dev->needed_headroom = LL_MAX_HEADER + max_gtp_header_len;

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/wireguard/device.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c index 551ddaaa..9c58f52 100644 --- a/drivers/net/wireguard/device.c +++ b/drivers/net/wireguard/device.c @@ -271,10 +271,10 @@ static void wg_setup(struct net_device *dev) dev->type = ARPHRD_NONE; dev->flags = IFF_POINTOPOINT | IFF_NOARP; dev->priv_flags |= IFF_NO_QUEUE; - dev->features |= NETIF_F_LLTX; - dev->features |= WG_NETDEV_FEATURES; - dev->hw_features |= WG_NETDEV_FEATURES; - dev->hw_enc_features |= WG_NETDEV_FEATURES; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features); + netdev_feature_set_bits(WG_NETDEV_FEATURES, &dev->features); + netdev_feature_set_bits(WG_NETDEV_FEATURES, &dev->hw_features); + netdev_feature_set_bits(WG_NETDEV_FEATURES, &dev->hw_enc_features); dev->mtu = ETH_DATA_LEN - overhead; dev->max_mtu = round_down(INT_MAX, MESSAGE_PADDING_MULTIPLE) - overhead;

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/ppp/ppp_generic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 216a9f4..0c9d0bd 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -1599,7 +1599,7 @@ static void ppp_setup(struct net_device *dev) dev->netdev_ops = &ppp_netdev_ops; SET_NETDEV_DEVTYPE(dev, &ppp_type);

- dev->features |= NETIF_F_LLTX; + netdev_feature_set_bit(NETIF_F_LLTX_BIT, &dev->features);

dev->hard_header_len = PPP_HDRLEN; dev->mtu = PPP_MRU;

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/fjes/fjes_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index 185c8a3..583d21a 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -1344,7 +1344,8 @@ static void fjes_netdev_setup(struct net_device *netdev) netdev->mtu = fjes_support_mtu[3]; netdev->min_mtu = fjes_support_mtu[0]; netdev->max_mtu = fjes_support_mtu[3]; - netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + netdev_feature_set_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + &netdev->features); }

static void fjes_irq_watch_task(struct work_struct *work)

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/wireless/ath/ath10k/mac.c | 7 +++++-- drivers/net/wireless/ath/ath11k/mac.c | 4 +++- drivers/net/wireless/ath/ath6kl/main.c | 15 ++++++++++----- drivers/net/wireless/ath/ath6kl/txrx.c | 6 ++++-- drivers/net/wireless/ath/wil6210/netdev.c | 11 +++++++---- drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c | 4 ++-- drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c | 7 +++++-- drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 17 +++++++++++------ drivers/net/wireless/intel/iwlwifi/mvm/rx.c | 2 +- drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 3 ++- drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 8 ++++++-- drivers/net/wireless/mediatek/mt76/mt7615/init.c | 3 ++- drivers/net/wireless/mediatek/mt76/mt7915/init.c | 3 ++- drivers/net/wireless/mediatek/mt76/mt7921/init.c | 3 ++- net/wireless/core.c | 15 ++++++++++----- 15 files changed, 72 insertions(+), 36 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index c272b29..493d15f 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -10119,8 +10119,11 @@ int ath10k_mac_register(struct ath10k *ar) if (ar->hw_params.dynamic_sar_support) ar->hw->wiphy->sar_capa = &ath10k_sar_capa;

- if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) - ar->hw->netdev_features = NETIF_F_HW_CSUM; + if (!test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) { + netdev_feature_zero(&ar->hw->netdev_features); + netdev_feature_set_bit(NETIF_F_HW_CSUM_BIT, + &ar->hw->netdev_features); + }

if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED)) { /* Init ath dfs pattern detector */ diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index e9b3689..ba892c4 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -6570,7 +6570,9 @@ static int __ath11k_mac_register(struct ath11k *ar) ath11k_reg_init(ar);

if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) { - ar->hw->netdev_features = NETIF_F_HW_CSUM; + netdev_feature_zero(&ar->hw->netdev_features); + netdev_feature_set_bit(NETIF_F_HW_CSUM_BIT, + &ar->hw->netdev_features); ieee80211_hw_set(ar->hw, SW_CRYPTO_CONTROL); ieee80211_hw_set(ar->hw, SUPPORT_FAST_XMIT); } diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c index d3aa9e7..2b15df2 100644 --- a/drivers/net/wireless/ath/ath6kl/main.c +++ b/drivers/net/wireless/ath/ath6kl/main.c @@ -1126,24 +1126,28 @@ static int ath6kl_set_features(struct net_device *dev, struct ath6kl *ar = vif->ar; int err = 0;

- if ((features & NETIF_F_RXCSUM) && + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, features) && (ar->rx_meta_ver != WMI_META_VERSION_2)) { ar->rx_meta_ver = WMI_META_VERSION_2; err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, vif->fw_vif_idx, ar->rx_meta_ver, 0, 0); if (err) { - dev->features = features & ~NETIF_F_RXCSUM; + netdev_feature_copy(&dev->features, features); + netdev_feature_clear_bit(NETIF_F_RXCSUM_BIT, + &dev->features); return err; } - } else if (!(features & NETIF_F_RXCSUM) && + } else if (!netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, features) && (ar->rx_meta_ver == WMI_META_VERSION_2)) { ar->rx_meta_ver = 0; err = ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, vif->fw_vif_idx, ar->rx_meta_ver, 0, 0); if (err) { - dev->features = features | NETIF_F_RXCSUM; + netdev_feature_copy(&dev->features, features); + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, + &dev->features); return err; } } @@ -1305,7 +1309,8 @@ void init_netdev(struct net_device *dev)

if (!test_bit(ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM, ar->fw_capabilities)) - dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; + netdev_feature_set_bit(NETIF_F_IP_CSUM | NETIF_F_RXCSUM, + &dev->hw_features);

return; } diff --git a/drivers/net/wireless/ath/ath6kl/txrx.c b/drivers/net/wireless/ath/ath6kl/txrx.c index b22ed49..6c7569c 100644 --- a/drivers/net/wireless/ath/ath6kl/txrx.c +++ b/drivers/net/wireless/ath/ath6kl/txrx.c @@ -391,7 +391,8 @@ netdev_tx_t ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev) }

if (test_bit(WMI_ENABLED, &ar->flag)) { - if ((dev->features & NETIF_F_IP_CSUM) && + if (netdev_feature_test_bit(NETIF_F_IP_CSUM_BIT, + dev->features) && (csum == CHECKSUM_PARTIAL)) { csum_start = skb->csum_start - (skb_network_header(skb) - skb->head) + @@ -410,7 +411,8 @@ netdev_tx_t ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev) goto fail_tx; }

- if ((dev->features & NETIF_F_IP_CSUM) && + if (netdev_feature_test_bit(NETIF_F_IP_CSUM_BIT, + dev->features) && (csum == CHECKSUM_PARTIAL)) { meta_v2.csum_start = csum_start; meta_v2.csum_dest = csum_dest; diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c index 0913f0b..b29a4d6 100644 --- a/drivers/net/wireless/ath/wil6210/netdev.c +++ b/drivers/net/wireless/ath/wil6210/netdev.c @@ -335,11 +335,14 @@ wil_vif_alloc(struct wil6210_priv *wil, const char *name, ndev->netdev_ops = &wil_netdev_ops; wil_set_ethtoolops(ndev); ndev->ieee80211_ptr = wdev; - ndev->hw_features = NETIF_F_HW_CSUM | NETIF_F_RXCSUM | - NETIF_F_SG | NETIF_F_GRO | - NETIF_F_TSO | NETIF_F_TSO6; + netdev_feature_zero(&ndev->hw_features); + netdev_feature_set_bits(NETIF_F_HW_CSUM | NETIF_F_RXCSUM | + NETIF_F_SG | NETIF_F_GRO | + NETIF_F_TSO | NETIF_F_TSO6, + &ndev->hw_features); + + netdev_feature_or(&ndev->features, ndev->features, ndev->hw_features);

- ndev->features |= ndev->hw_features; SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); wdev->netdev = ndev; return vif; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index db5f853..d04bff1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -616,9 +616,9 @@ static int brcmf_netdev_open(struct net_device *ndev) /* Get current TOE mode from dongle */ if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0 && (toe_ol & TOE_TX_CSUM_OL) != 0) - ndev->features |= NETIF_F_IP_CSUM; + netdev_feature_set_bit(NETIF_F_IP_CSUM_BIT, &ndev->features); else - ndev->features &= ~NETIF_F_IP_CSUM; + netdev_feature_clear_bit(NETIF_F_IP_CSUM_BIT, &ndev->features);

if (brcmf_cfg80211_up(ndev)) { bphy_err(drvr, "failed to bring up cfg80211\n"); diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c index 75e7665..81df856 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/mac80211.c @@ -101,8 +101,11 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv, ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); ieee80211_hw_set(hw, WANT_MONITOR_VIF);

- if (priv->trans->max_skb_frags) - hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; + if (priv->trans->max_skb_frags) { + netdev_feature_zero(&hw->netdev_features); + netdev_feature_set_bits(NETIF_F_HIGHDMA | NETIF_F_SG, + &hw->netdev_features); + }

hw->offchannel_tx_hw_queue = IWL_AUX_QUEUE; hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FMT; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 70ebecb..65d0125 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -387,8 +387,11 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) if (mvm->trans->num_rx_queues > 1) ieee80211_hw_set(hw, USES_RSS);

- if (mvm->trans->max_skb_frags) - hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG; + if (mvm->trans->max_skb_frags) { + netdev_feature_zero(&hw->netdev_features); + netdev_feature_set_bits(NETIF_F_HIGHDMA | NETIF_F_SG, + &hw->netdev_features); + }

hw->queues = IEEE80211_MAX_QUEUES; hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE; @@ -703,10 +706,11 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; }

- hw->netdev_features |= mvm->cfg->features; + netdev_feature_copy(&hw->netdev_features, mvm->cfg->features); if (!iwl_mvm_is_csum_supported(mvm)) - hw->netdev_features &= ~(IWL_TX_CSUM_NETIF_FLAGS | - NETIF_F_RXCSUM); + netdev_feature_clear_bits(IWL_TX_CSUM_NETIF_FLAGS | + NETIF_F_RXCSUM, + &hw->netdev_features);

if (mvm->cfg->vht_mu_mimo_supported) wiphy_ext_feature_set(hw->wiphy, @@ -1451,7 +1455,8 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, goto out_unlock; }

- mvmvif->features |= hw->netdev_features; + netdev_feature_or(&mvmvif->features, mvmvif->features, + hw->netdev_features);

ret = iwl_mvm_mac_ctxt_add(mvm, vif); if (ret) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c index 8ef5399..21d97eb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c @@ -276,7 +276,7 @@ static void iwl_mvm_rx_csum(struct ieee80211_sta *sta, struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);

- if (mvmvif->features & NETIF_F_RXCSUM && + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, mvmvif->features) && status & RX_MPDU_RES_STATUS_CSUM_DONE && status & RX_MPDU_RES_STATUS_CSUM_OK) skb->ip_summed = CHECKSUM_UNNECESSARY; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index c0babb8..91d9355 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -459,7 +459,8 @@ static void iwl_mvm_rx_csum(struct iwl_mvm *mvm,

mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);

- if (mvmvif->features & NETIF_F_RXCSUM && + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, + mvmvif->features) && flags & IWL_RX_L3L4_TCP_UDP_CSUM_OK && (flags & IWL_RX_L3L4_IP_HDR_CSUM_OK || l3_prot == IWL_RX_L3_TYPE_IPV6 || diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 0a13c2b..c254ab4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -53,7 +53,8 @@ static u16 iwl_mvm_tx_csum(struct iwl_mvm *mvm, struct sk_buff *skb, goto out;

/* We do not expect to be requested to csum stuff we do not support */ - if (WARN_ONCE(!(mvm->hw->netdev_features & IWL_TX_CSUM_NETIF_FLAGS) || + if (WARN_ONCE(!netdev_feature_test_bits(IWL_TX_CSUM_NETIF_FLAGS, + mvm->hw->netdev_features) || (skb->protocol != htons(ETH_P_IP) && skb->protocol != htons(ETH_P_IPV6)), "No support for requested checksum\n")) { @@ -836,9 +837,12 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb, unsigned int mss = skb_shinfo(skb)->gso_size; unsigned int num_subframes, tcp_payload_len, subf_len, max_amsdu_len; u16 snap_ip_tcp, pad; - netdev_features_t netdev_flags = NETIF_F_CSUM_MASK | NETIF_F_SG; + netdev_features_t netdev_flags; u8 tid;

+ netdev_feature_zero(&netdev_flags); + netdev_feature_set_bits(NETIF_F_CSUM_MASK | NETIF_F_SG, &netdev_flags); + snap_ip_tcp = 8 + skb_transport_header(skb) - skb_network_header(skb) + tcp_hdrlen(skb);

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c index 2f1ac64..e690e09 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -363,7 +363,8 @@ mt7615_init_wiphy(struct ieee80211_hw *hw) hw->max_rates = 3; hw->max_report_rates = 7; hw->max_rate_tries = 11; - hw->netdev_features = NETIF_F_RXCSUM; + netdev_feature_zero(&hw->netdev_features); + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, &hw->netdev_features);

hw->radiotap_timestamp.units_pos = IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index 4798d63..a3ab1a5f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -217,7 +217,8 @@ mt7915_init_wiphy(struct ieee80211_hw *hw) hw->queues = 4; hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF; - hw->netdev_features = NETIF_F_RXCSUM; + netdev_feature_zero(&hw->netdev_features); + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, &hw->netdev_features);

hw->radiotap_timestamp.units_pos = IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US; diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index a9ce10b..368d6cf 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -51,7 +51,8 @@ mt7921_init_wiphy(struct ieee80211_hw *hw) hw->queues = 4; hw->max_rx_aggregation_subframes = 64; hw->max_tx_aggregation_subframes = 128; - hw->netdev_features = NETIF_F_RXCSUM; + netdev_feature_zero(&hw->netdev_features); + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, &hw->netdev_features);

hw->radiotap_timestamp.units_pos = IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US; diff --git a/net/wireless/core.c b/net/wireless/core.c index 0332312..5849ebf 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -164,11 +164,13 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { if (!wdev->netdev) continue; - wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL; + netdev_feature_clear_bit(NETIF_F_NETNS_LOCAL_BIT, + &wdev->netdev->features); err = dev_change_net_namespace(wdev->netdev, net, "wlan%d"); if (err) break; - wdev->netdev->features |= NETIF_F_NETNS_LOCAL; + netdev_feature_set_bit(NETIF_F_NETNS_LOCAL_BIT, + &wdev->netdev->features); }

if (err) { @@ -180,11 +182,13 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, list) { if (!wdev->netdev) continue; - wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL; + netdev_feature_clear_bit(NETIF_F_NETNS_LOCAL_BIT, + &wdev->netdev->features); err = dev_change_net_namespace(wdev->netdev, net, "wlan%d"); WARN_ON(err); - wdev->netdev->features |= NETIF_F_NETNS_LOCAL; + netdev_feature_set_bit(NETIF_F_NETNS_LOCAL_BIT, + &wdev->netdev->features); }

return err; @@ -1384,7 +1388,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, SET_NETDEV_DEVTYPE(dev, &wiphy_type); wdev->netdev = dev; /* can only change netns with wiphy */ - dev->features |= NETIF_F_NETNS_LOCAL; + netdev_feature_set_bit(NETIF_F_NETNS_LOCAL_BIT, + &dev->features);

cfg80211_init_wdev(wdev); break;

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/ethernet/realtek/8139cp.c | 29 +++++++------- drivers/net/ethernet/realtek/8139too.c | 28 +++++++------ drivers/net/ethernet/realtek/r8169_main.c | 65 ++++++++++++++++++------------- 3 files changed, 72 insertions(+), 50 deletions(-)

diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index dc06c3e..626b3f2 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -1461,17 +1461,18 @@ static int cp_set_features(struct net_device *dev, netdev_features_t features) struct cp_private *cp = netdev_priv(dev); unsigned long flags;

- if (!((dev->features ^ features) & NETIF_F_RXCSUM)) + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, dev->features) != + netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, features)) return 0;

spin_lock_irqsave(&cp->lock, flags);

- if (features & NETIF_F_RXCSUM) + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, features)) cp->cpcmd |= RxChkSum; else cp->cpcmd &= ~RxChkSum;

- if (features & NETIF_F_HW_VLAN_CTAG_RX) + if (netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_RX_BIT, features)) cp->cpcmd |= RxVlanOn; else cp->cpcmd &= ~RxVlanOn; @@ -1857,7 +1858,7 @@ static void cp_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t *features) { if (skb_shinfo(skb)->gso_size > MSSMask) - *features &= ~NETIF_F_TSO; + netdev_feature_clear_bit(NETIF_F_TSO_BIT, features);

vlan_features_check(skb, features); } @@ -1967,8 +1968,8 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) cp->cpcmd = (pci_using_dac ? PCIDAC : 0) | PCIMulRW | RxChkSum | CpRxOn | CpTxOn;

- dev->features |= NETIF_F_RXCSUM; - dev->hw_features |= NETIF_F_RXCSUM; + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, &dev->features); + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, &dev->hw_features);

regs = ioremap(pciaddr, CP_REGS_SIZE); if (!regs) { @@ -1993,16 +1994,18 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) dev->ethtool_ops = &cp_ethtool_ops; dev->watchdog_timeo = TX_TIMEOUT;

- dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX, &dev->features);

if (pci_using_dac) - dev->features |= NETIF_F_HIGHDMA; + netdev_feature_set_bit(NETIF_F_HIGHDMA_BIT, &dev->features);

- dev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; - dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | - NETIF_F_HIGHDMA; + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX, &dev->hw_features); + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | + NETIF_F_HIGHDMA, &dev->vlan_features);

/* MTU range: 60 - 4096 */ dev->min_mtu = CP_MIN_MTU; diff --git a/drivers/net/ethernet/realtek/8139too.c b/drivers/net/ethernet/realtek/8139too.c index 2e6923cc..59b5a95 100644 --- a/drivers/net/ethernet/realtek/8139too.c +++ b/drivers/net/ethernet/realtek/8139too.c @@ -900,18 +900,21 @@ static struct net_device *rtl8139_init_board(struct pci_dev *pdev) static int rtl8139_set_features(struct net_device *dev, netdev_features_t features) { struct rtl8139_private *tp = netdev_priv(dev); + netdev_features_t changed; unsigned long flags; - netdev_features_t changed = features ^ dev->features; void __iomem *ioaddr = tp->mmio_addr;

- if (!(changed & (NETIF_F_RXALL))) + netdev_feature_xor(&changed, features, dev->features); + + if (!netdev_feature_test_bit(NETIF_F_RXALL_BIT, changed)) return 0;

spin_lock_irqsave(&tp->lock, flags);

- if (changed & NETIF_F_RXALL) { + if (netdev_feature_test_bit(NETIF_F_RXALL_BIT, changed)) { int rx_mode = tp->rx_config; - if (features & NETIF_F_RXALL) + + if (netdev_feature_test_bit(NETIF_F_RXALL_BIT, features)) rx_mode |= (AcceptErr | AcceptRunt); else rx_mode &= ~(AcceptErr | AcceptRunt); @@ -1007,11 +1010,12 @@ static int rtl8139_init_one(struct pci_dev *pdev, * through the use of skb_copy_and_csum_dev we enable these * features */ - dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA; - dev->vlan_features = dev->features; + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA, + &dev->features); + netdev_feature_copy(&dev->vlan_features, dev->features);

- dev->hw_features |= NETIF_F_RXALL; - dev->hw_features |= NETIF_F_RXFCS; + netdev_feature_set_bit(NETIF_F_RXALL_BIT, &dev->hw_features); + netdev_feature_set_bit(NETIF_F_RXFCS_BIT, &dev->hw_features);

/* MTU range: 68 - 1770 */ dev->min_mtu = ETH_MIN_MTU; @@ -1968,7 +1972,8 @@ static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp, /* read size+status of next frame from DMA ring buffer */ rx_status = le32_to_cpu (*(__le32 *) (rx_ring + ring_offset)); rx_size = rx_status >> 16; - if (likely(!(dev->features & NETIF_F_RXFCS))) + if (likely(!netdev_feature_test_bit(NETIF_F_RXFCS_BIT, + dev->features))) pkt_size = rx_size - 4; else pkt_size = rx_size; @@ -2009,7 +2014,8 @@ static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp, if (unlikely((rx_size > (MAX_ETH_FRAME_SIZE+4)) || (rx_size < 8) || (!(rx_status & RxStatusOK)))) { - if ((dev->features & NETIF_F_RXALL) && + if (netdev_feature_test_bit(NETIF_F_RXALL_BIT, + dev->features) && (rx_size <= (MAX_ETH_FRAME_SIZE + 4)) && (rx_size >= 8) && (!(rx_status & RxStatusOK))) { @@ -2580,7 +2586,7 @@ static void __set_rx_mode (struct net_device *dev) } }

- if (dev->features & NETIF_F_RXALL) + if (netdev_feature_test_bit(NETIF_F_RXALL_BIT, dev->features)) rx_mode |= (AcceptErr | AcceptRunt);

/* We can safely update without stopping the chip. */ diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 584b3bb..e1bdc34 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -1471,11 +1471,12 @@ static void rtl8169_fix_features(struct net_device *dev, struct rtl8169_private *tp = netdev_priv(dev);

if (dev->mtu > TD_MSS_MAX) - *features &= ~NETIF_F_ALL_TSO; + netdev_feature_clear_bits(NETIF_F_ALL_TSO, features);

if (dev->mtu > ETH_DATA_LEN && tp->mac_version > RTL_GIGA_MAC_VER_06) - *features &= ~(NETIF_F_CSUM_MASK | NETIF_F_ALL_TSO); + netdev_feature_clear_bits(NETIF_F_CSUM_MASK | NETIF_F_ALL_TSO, + features); }

static void rtl_set_rx_config_features(struct rtl8169_private *tp, @@ -1483,13 +1484,14 @@ static void rtl_set_rx_config_features(struct rtl8169_private *tp, { u32 rx_config = RTL_R32(tp, RxConfig);

- if (features & NETIF_F_RXALL) + if (netdev_feature_test_bit(NETIF_F_RXALL_BIT, features)) rx_config |= RX_CONFIG_ACCEPT_ERR_MASK; else rx_config &= ~RX_CONFIG_ACCEPT_ERR_MASK;

if (rtl_is_8125(tp)) { - if (features & NETIF_F_HW_VLAN_CTAG_RX) + if (netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_RX_BIT, + features)) rx_config |= RX_VLAN_8125; else rx_config &= ~RX_VLAN_8125; @@ -1505,13 +1507,14 @@ static int rtl8169_set_features(struct net_device *dev,

rtl_set_rx_config_features(tp, features);

- if (features & NETIF_F_RXCSUM) + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, features)) tp->cp_cmd |= RxChkSum; else tp->cp_cmd &= ~RxChkSum;

if (!rtl_is_8125(tp)) { - if (features & NETIF_F_HW_VLAN_CTAG_RX) + if (netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_RX_BIT, + features)) tp->cp_cmd |= RxVlan; else tp->cp_cmd &= ~RxVlan; @@ -4336,15 +4339,15 @@ static void rtl8168evl_fix_tso(struct sk_buff *skb, netdev_features_t *features) /* IPv4 header has options field */ if (vlan_get_protocol(skb) == htons(ETH_P_IP) && ip_hdrlen(skb) > sizeof(struct iphdr)) - *features &= ~NETIF_F_ALL_TSO; + netdev_feature_clear_bits(NETIF_F_ALL_TSO, features);

/* IPv4 TCP header has options field */ else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4 && tcp_hdrlen(skb) > sizeof(struct tcphdr)) - *features &= ~NETIF_F_ALL_TSO; + netdev_feature_clear_bits(NETIF_F_ALL_TSO, features);

else if (rtl_last_frag_len(skb) <= 6) - *features &= ~NETIF_F_ALL_TSO; + netdev_feature_clear_bits(NETIF_F_ALL_TSO, features); }

static void rtl8169_features_check(struct sk_buff *skb, struct net_device *dev, @@ -4359,18 +4362,18 @@ static void rtl8169_features_check(struct sk_buff *skb, struct net_device *dev,

if (transport_offset > GTTCPHO_MAX && rtl_chip_supports_csum_v2(tp)) - *features &= ~NETIF_F_ALL_TSO; + netdev_feature_clear_bits(NETIF_F_ALL_TSO, features); } else if (skb->ip_summed == CHECKSUM_PARTIAL) { /* work around hw bug on some chip versions */ if (skb->len < ETH_ZLEN) - *features &= ~NETIF_F_CSUM_MASK; + netdev_feature_clear_bits(NETIF_F_CSUM_MASK, features);

if (rtl_quirk_packet_padto(tp, skb)) - *features &= ~NETIF_F_CSUM_MASK; + netdev_feature_clear_bits(NETIF_F_CSUM_MASK, features);

if (transport_offset > TCPHO_MAX && rtl_chip_supports_csum_v2(tp)) - *features &= ~NETIF_F_CSUM_MASK; + netdev_feature_clear_bits(NETIF_F_CSUM_MASK, features); }

vlan_features_check(skb, features); @@ -4496,14 +4499,16 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, int budget if (status & RxCRC) dev->stats.rx_crc_errors++;

- if (!(dev->features & NETIF_F_RXALL)) + if (!netdev_feature_test_bit(NETIF_F_RXALL_BIT, + dev->features)) goto release_descriptor; else if (status & RxRWT || !(status & (RxRUNT | RxCRC))) goto release_descriptor; }

pkt_size = status & GENMASK(13, 0); - if (likely(!(dev->features & NETIF_F_RXFCS))) + if (likely(!netdev_feature_test_bit(NETIF_F_RXFCS_BIT, + dev->features))) pkt_size -= ETH_FCS_LEN;

/* The driver does not support incoming fragmented frames. @@ -5323,7 +5328,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)

if (sizeof(dma_addr_t) > 4 && tp->mac_version >= RTL_GIGA_MAC_VER_18 && !dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) - dev->features |= NETIF_F_HIGHDMA; + netdev_feature_set_bit(NETIF_F_HIGHDMA_BIT, &dev->features);

rtl_init_rxcfg(tp);

@@ -5347,9 +5352,13 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)

netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_WEIGHT);

- dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM | - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; - dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO; + netdev_feature_zero(&dev->hw_features); + netdev_feature_set_bits(NETIF_F_IP_CSUM | NETIF_F_RXCSUM | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX, &dev->hw_features); + netdev_feature_zero(&dev->vlan_features); + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO, + &dev->vlan_features); dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;

/* @@ -5358,12 +5367,14 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) */ if (tp->mac_version == RTL_GIGA_MAC_VER_05) /* Disallow toggling */ - dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX; + netdev_feature_clear_bit(NETIF_F_HW_VLAN_CTAG_RX_BIT, + &dev->hw_features);

if (rtl_chip_supports_csum_v2(tp)) - dev->hw_features |= NETIF_F_IPV6_CSUM; + netdev_feature_set_bit(NETIF_F_IPV6_CSUM_BIT, + &dev->hw_features);

- dev->features |= dev->hw_features; + netdev_feature_or(&dev->features, dev->features, dev->hw_features);

/* There has been a number of reports that using SG/TSO results in * tx timeouts. However for a lot of people SG/TSO works fine. @@ -5371,17 +5382,19 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) * enable them. Use at own risk! */ if (rtl_chip_supports_csum_v2(tp)) { - dev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6; + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6, + &dev->hw_features); dev->gso_max_size = RTL_GSO_MAX_SIZE_V2; dev->gso_max_segs = RTL_GSO_MAX_SEGS_V2; } else { - dev->hw_features |= NETIF_F_SG | NETIF_F_TSO; + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_TSO, + &dev->hw_features); dev->gso_max_size = RTL_GSO_MAX_SIZE_V1; dev->gso_max_segs = RTL_GSO_MAX_SEGS_V1; }

- dev->hw_features |= NETIF_F_RXALL; - dev->hw_features |= NETIF_F_RXFCS; + netdev_feature_set_bit(NETIF_F_RXALL_BIT, &dev->hw_features); + netdev_feature_set_bit(NETIF_F_RXFCS_BIT, &dev->hw_features);

/* configure chip for default features */ rtl8169_set_features(dev, dev->features);

Use netdev_feature_xxx helpers to replace the logical operation for netdev features.

Signed-off-by: Jian Shen shenjian15@huawei.com --- drivers/net/ethernet/broadcom/b44.c | 2 +- drivers/net/ethernet/broadcom/bcmsysport.c | 24 ++-- drivers/net/ethernet/broadcom/bgmac.c | 8 +- drivers/net/ethernet/broadcom/bnx2.c | 49 +++++--- drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 62 +++++---- drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 84 +++++++------ drivers/net/ethernet/broadcom/bnxt/bnxt.c | 152 ++++++++++++++--------- drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c | 4 +- drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c | 11 +- drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 3 +- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 12 +- drivers/net/ethernet/broadcom/tg3.c | 56 +++++---- 12 files changed, 279 insertions(+), 188 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index fa78495..80c0998 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -2353,7 +2353,7 @@ static int b44_init_one(struct ssb_device *sdev, SET_NETDEV_DEV(dev, sdev->dev);

/* No interesting netdevice features in this card... */ - dev->features |= 0; + netdev_feature_set_bits(0, &dev->features);

bp = netdev_priv(dev); bp->sdev = sdev; diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index d9f0f0d..e1df027 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -122,7 +122,7 @@ static void bcm_sysport_set_rx_csum(struct net_device *dev, struct bcm_sysport_priv *priv = netdev_priv(dev); u32 reg;

- priv->rx_chk_en = !!(wanted & NETIF_F_RXCSUM); + priv->rx_chk_en = netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, wanted); reg = rxchk_readl(priv, RXCHK_CONTROL); /* Clear L2 header checks, which would prevent BPDUs * from being received. @@ -162,8 +162,10 @@ static void bcm_sysport_set_tx_csum(struct net_device *dev, /* Hardware transmit checksum requires us to enable the Transmit status * block prepended to the packet contents */ - priv->tsb_en = !!(wanted & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_HW_VLAN_CTAG_TX)); + priv->tsb_en = netdev_feature_test_bits(NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM | + NETIF_F_HW_VLAN_CTAG_TX, + wanted); reg = tdma_readl(priv, TDMA_CONTROL); if (priv->tsb_en) reg |= tdma_control_bit(priv, TSB_EN); @@ -180,7 +182,7 @@ static void bcm_sysport_set_tx_csum(struct net_device *dev, tdma_writel(priv, reg, TDMA_CONTROL);

/* Default TPID is ETH_P_8021AD, change to ETH_P_8021Q */ - if (wanted & NETIF_F_HW_VLAN_CTAG_TX) + if (netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_TX_BIT, wanted)) tdma_writel(priv, ETH_P_8021Q, TDMA_TPID); }

@@ -1539,7 +1541,8 @@ static int bcm_sysport_init_tx_ring(struct bcm_sysport_priv *priv, /* Adjust the packet size calculations if SYSTEMPORT is responsible * for HW insertion of VLAN tags */ - if (priv->netdev->features & NETIF_F_HW_VLAN_CTAG_TX) + if (netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_TX_BIT, + priv->netdev->features)) reg = VLAN_HLEN << RING_PKT_SIZE_ADJ_SHIFT; tdma_writel(priv, reg, TDMA_DESC_RING_PCP_DEI_VID(index));

@@ -2563,11 +2566,12 @@ static int bcm_sysport_probe(struct platform_device *pdev) dev->netdev_ops = &bcm_sysport_netdev_ops; netif_napi_add(dev, &priv->napi, bcm_sysport_poll, 64);

- dev->features |= NETIF_F_RXCSUM | NETIF_F_HIGHDMA | - NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_HW_VLAN_CTAG_TX; - dev->hw_features |= dev->features; - dev->vlan_features |= dev->features; + netdev_feature_set_bits(NETIF_F_RXCSUM | NETIF_F_HIGHDMA | + NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_HW_VLAN_CTAG_TX, &dev->features); + netdev_feature_or(&dev->hw_features, dev->hw_features, dev->features); + netdev_feature_or(&dev->vlan_features, dev->vlan_features, + dev->features); dev->max_mtu = UMAC_MAX_MTU_SIZE;

/* Request the WOL interrupt and advertise suspend if available */ diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index fe4d99a..c99800b 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -1535,9 +1535,11 @@ int bgmac_enet_probe(struct bgmac *bgmac) goto err_dma_free; }

- net_dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - net_dev->hw_features = net_dev->features; - net_dev->vlan_features = net_dev->features; + netdev_feature_zero(&net_dev->features); + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM, &net_dev->features); + netdev_feature_copy(&net_dev->hw_features, net_dev->features); + netdev_feature_copy(&net_dev->vlan_features, net_dev->features);

/* Omit FCS from max MTU size */ net_dev->max_mtu = BGMAC_RX_MAX_FRAME_SIZE - ETH_FCS_LEN; diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 89ee1c0..c7b8b5a 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -3258,7 +3258,8 @@ bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) }

skb_checksum_none_assert(skb); - if ((bp->dev->features & NETIF_F_RXCSUM) && + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, + bp->dev->features) && (status & (L2_FHDR_STATUS_TCP_SEGMENT | L2_FHDR_STATUS_UDP_DATAGRAM))) {

@@ -3266,7 +3267,8 @@ bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) L2_FHDR_ERRORS_UDP_XSUM)) == 0)) skb->ip_summed = CHECKSUM_UNNECESSARY; } - if ((bp->dev->features & NETIF_F_RXHASH) && + if (netdev_feature_test_bit(NETIF_F_RXHASH_BIT, + bp->dev->features) && ((status & L2_FHDR_STATUS_USE_RXHASH) == L2_FHDR_STATUS_USE_RXHASH)) skb_set_hash(skb, rx_hdr->l2_fhdr_hash, @@ -3586,7 +3588,8 @@ bnx2_set_rx_mode(struct net_device *dev) rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS | BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG); sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN; - if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX) && + if (!netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_RX_BIT, + dev->features) && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)) rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG; if (dev->flags & IFF_PROMISC) { @@ -7742,18 +7745,23 @@ static int bnx2_set_features(struct net_device *dev, netdev_features_t features) { struct bnx2 *bp = netdev_priv(dev); + netdev_features_t tmp;

/* TSO with VLAN tag won't work with current firmware */ - if (features & NETIF_F_HW_VLAN_CTAG_TX) - dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO); - else - dev->vlan_features &= ~NETIF_F_ALL_TSO; + if (netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_TX_BIT, features)) { + netdev_feature_copy(&tmp, dev->hw_features); + netdev_feature_and_bits(NETIF_F_ALL_TSO, &tmp); + netdev_feature_or(&dev->vlan_features, dev->vlan_features, + tmp); + } else { + netdev_feature_clear_bits(NETIF_F_ALL_TSO, &dev->vlan_features); + }

- if ((!!(features & NETIF_F_HW_VLAN_CTAG_RX) != + if ((netdev_feature_test_bit(NETIF_F_HW_VLAN_CTAG_RX_BIT, features) != !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) && netif_running(dev)) { bnx2_netif_stop(bp, false); - dev->features = features; + netdev_feature_copy(&dev->features, features); bnx2_set_rx_mode(dev); bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1); bnx2_netif_start(bp, false); @@ -8225,7 +8233,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)

/* Configure DMA attributes. */ if (pci_set_dma_mask(pdev, dma_mask) == 0) { - dev->features |= NETIF_F_HIGHDMA; + netdev_feature_set_bit(NETIF_F_HIGHDMA_BIT, &dev->features); rc = pci_set_consistent_dma_mask(pdev, persist_dma_mask); if (rc) { dev_err(&pdev->dev, @@ -8593,22 +8601,27 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)

memcpy(dev->dev_addr, bp->mac_addr, ETH_ALEN);

- dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | - NETIF_F_TSO | NETIF_F_TSO_ECN | - NETIF_F_RXHASH | NETIF_F_RXCSUM; + netdev_feature_zero(&dev->hw_features); + netdev_feature_set_bits(NETIF_F_IP_CSUM | NETIF_F_SG | + NETIF_F_TSO | NETIF_F_TSO_ECN | + NETIF_F_RXHASH | NETIF_F_RXCSUM, + &dev->hw_features);

if (BNX2_CHIP(bp) == BNX2_CHIP_5709) - dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; + netdev_feature_set_bits(NETIF_F_IPV6_CSUM | NETIF_F_TSO6, + &dev->hw_features);

- dev->vlan_features = dev->hw_features; - dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; - dev->features |= dev->hw_features; + netdev_feature_copy(&dev->vlan_features, dev->hw_features); + netdev_feature_set_bits(NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX, &dev->hw_features); + netdev_feature_or(&dev->features, dev->features, dev->hw_features); dev->priv_flags |= IFF_UNICAST_FLT; dev->min_mtu = MIN_ETHERNET_PACKET_SIZE; dev->max_mtu = MAX_ETHERNET_JUMBO_PACKET_SIZE;

if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)) - dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX; + netdev_feature_clear_bit(NETIF_F_HW_VLAN_CTAG_RX_BIT, + &dev->hw_features);

if ((rc = register_netdev(dev))) { dev_err(&pdev->dev, "Cannot register net device\n"); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index d745103..6b3a37d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -412,7 +412,7 @@ static u32 bnx2x_get_rxhash(const struct bnx2x *bp, enum pkt_hash_types *rxhash_type) { /* Get Toeplitz hash from CQE */ - if ((bp->dev->features & NETIF_F_RXHASH) && + if (netdev_feature_test_bit(NETIF_F_RXHASH_BIT, bp->dev->features) && (cqe->status_flags & ETH_FAST_PATH_RX_CQE_RSS_HASH_FLG)) { enum eth_rss_hash_type htype;

@@ -1073,7 +1073,8 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)

skb_checksum_none_assert(skb);

- if (bp->dev->features & NETIF_F_RXCSUM) + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, + bp->dev->features)) bnx2x_csum_validate(skb, cqe, fp, bnx2x_fp_qstats(bp, fp));

@@ -2491,9 +2492,10 @@ static void bnx2x_bz_fp(struct bnx2x *bp, int index) /* set the tpa flag for each queue. The tpa flag determines the queue * minimal size so it must be set prior to queue memory allocation */ - if (bp->dev->features & NETIF_F_LRO) + if (netdev_feature_test_bit(NETIF_F_LRO_BIT, bp->dev->features)) fp->mode = TPA_MODE_LRO; - else if (bp->dev->features & NETIF_F_GRO_HW) + else if (netdev_feature_test_bit(NETIF_F_GRO_HW_BIT, + bp->dev->features)) fp->mode = TPA_MODE_GRO; else fp->mode = TPA_MODE_DISABLED; @@ -4891,7 +4893,7 @@ int bnx2x_change_mtu(struct net_device *dev, int new_mtu) dev->mtu = new_mtu;

if (!bnx2x_mtu_allows_gro(new_mtu)) - dev->features &= ~NETIF_F_GRO_HW; + netdev_feature_clear_bit(NETIF_F_GRO_HW_BIT, &dev->features);

if (IS_PF(bp) && SHMEM2_HAS(bp, curr_cfg)) SHMEM2_WR(bp, curr_cfg, CURR_CFG_MET_OS); @@ -4904,42 +4906,54 @@ void bnx2x_fix_features(struct net_device *dev, netdev_features_t *features) struct bnx2x *bp = netdev_priv(dev);

if (pci_num_vf(bp->pdev)) { - netdev_features_t changed = dev->features ^ *features; + netdev_features_t changed; + + netdev_feature_xor(&changed, dev->features, *features);

/* Revert the requested changes in features if they * would require internal reload of PF in bnx2x_set_features(). */ - if (!(*features & NETIF_F_RXCSUM) && !bp->disable_tpa) { - *features &= ~NETIF_F_RXCSUM; - *features |= dev->features & NETIF_F_RXCSUM; + if (!netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, *features) && + !bp->disable_tpa) { + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, + dev->features)) + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, + features); }

- if (changed & NETIF_F_LOOPBACK) { - *features &= ~NETIF_F_LOOPBACK; - *features |= dev->features & NETIF_F_LOOPBACK; + if (netdev_feature_test_bit(NETIF_F_LOOPBACK_BIT, changed)) { + netdev_feature_clear_bit(NETIF_F_LOOPBACK_BIT, + features); + if (netdev_feature_test_bit(NETIF_F_LOOPBACK_BIT, + dev->features)) + netdev_feature_set_bit(NETIF_F_LOOPBACK_BIT, + features); } }

/* TPA requires Rx CSUM offloading */ - if (!(*features & NETIF_F_RXCSUM)) - *features &= ~NETIF_F_LRO; - - if (!(*features & NETIF_F_GRO) || !bnx2x_mtu_allows_gro(dev->mtu)) - *features &= ~NETIF_F_GRO_HW; - if (*features & NETIF_F_GRO_HW) - *features &= ~NETIF_F_LRO; + if (!netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, *features)) + netdev_feature_clear_bit(NETIF_F_LRO_BIT, features); + + if (!netdev_feature_test_bit(NETIF_F_GRO_BIT, *features) || + !bnx2x_mtu_allows_gro(dev->mtu)) + netdev_feature_clear_bit(NETIF_F_GRO_HW_BIT, features); + if (netdev_feature_test_bit(NETIF_F_GRO_HW_BIT, *features)) + netdev_feature_clear_bit(NETIF_F_LRO_BIT, features); }

int bnx2x_set_features(struct net_device *dev, netdev_features_t features) { struct bnx2x *bp = netdev_priv(dev); - netdev_features_t changes = features ^ dev->features; + netdev_features_t changes; bool bnx2x_reload = false; int rc;

+ netdev_feature_xor(&changes, dev->features, features); + /* VFs or non SRIOV PFs should be able to change loopback feature */ if (!pci_num_vf(bp->pdev)) { - if (features & NETIF_F_LOOPBACK) { + if (netdev_feature_test_bit(NETIF_F_LOOPBACK_BIT, features)) { if (bp->link_params.loopback_mode != LOOPBACK_BMAC) { bp->link_params.loopback_mode = LOOPBACK_BMAC; bnx2x_reload = true; @@ -4953,14 +4967,14 @@ int bnx2x_set_features(struct net_device *dev, netdev_features_t features) }

/* Don't care about GRO changes */ - changes &= ~NETIF_F_GRO; + netdev_feature_clear_bit(NETIF_F_GRO_HW_BIT, &changes);

- if (changes) + if (!netdev_feature_empty(changes)) bnx2x_reload = true;

if (bnx2x_reload) { if (bp->recovery_state == BNX2X_RECOVERY_DONE) { - dev->features = features; + netdev_feature_copy(&dev->features, features); rc = bnx2x_reload_if_running(dev); return rc ? rc : 1; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index f8b84f7..82cfee2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -3393,9 +3393,9 @@ static void bnx2x_drv_info_ether_stat(struct bnx2x *bp) ether_stat->mac_local + MAC_PAD, MAC_PAD, ETH_ALEN); ether_stat->mtu_size = bp->dev->mtu; - if (bp->dev->features & NETIF_F_RXCSUM) + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, bp->dev->features)) ether_stat->feature_flags |= FEATURE_ETH_CHKSUM_OFFLOAD_MASK; - if (bp->dev->features & NETIF_F_TSO) + if (netdev_feature_test_bit(NETIF_F_TSO_BIT, bp->dev->features)) ether_stat->feature_flags |= FEATURE_ETH_LSO_MASK; ether_stat->feature_flags |= bp->common.boot_mode;

@@ -12383,8 +12383,10 @@ static int bnx2x_init_bp(struct bnx2x *bp)

/* Set TPA flags */ if (bp->disable_tpa) { - bp->dev->hw_features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW); - bp->dev->features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW); + netdev_feature_clear_bits(NETIF_F_LRO | NETIF_F_GRO_HW, + &bp->dev->hw_features); + netdev_feature_clear_bits(NETIF_F_LRO | NETIF_F_GRO_HW, + &bp->dev->features); }

if (CHIP_IS_E1(bp)) @@ -12904,7 +12906,7 @@ static void bnx2x_features_check(struct sk_buff *skb, struct net_device *dev, if (unlikely(skb_is_gso(skb) && (skb_shinfo(skb)->gso_size > 9000) && !skb_gso_validate_mac_len(skb, 9700))) - *features &= ~NETIF_F_GSO_MASK; + netdev_feature_clear_bits(NETIF_F_GSO_MASK, features);

vlan_features_check(skb, features); vxlan_features_check(skb, features); @@ -13241,52 +13243,62 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,

dev->priv_flags |= IFF_UNICAST_FLT;

- dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | - NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO | NETIF_F_GRO_HW | - NETIF_F_RXHASH | NETIF_F_HW_VLAN_CTAG_TX; + netdev_feature_zero(&dev->hw_features); + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM | NETIF_F_TSO | + NETIF_F_TSO_ECN | NETIF_F_TSO6 | + NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO | + NETIF_F_GRO_HW | NETIF_F_RXHASH | + NETIF_F_HW_VLAN_CTAG_TX, &dev->hw_features); if (!chip_is_e1x) { - dev->hw_features |= NETIF_F_GSO_GRE | NETIF_F_GSO_GRE_CSUM | - NETIF_F_GSO_IPXIP4 | - NETIF_F_GSO_UDP_TUNNEL | - NETIF_F_GSO_UDP_TUNNEL_CSUM | - NETIF_F_GSO_PARTIAL; - - dev->hw_enc_features = - NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG | - NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | - NETIF_F_GSO_IPXIP4 | - NETIF_F_GSO_GRE | NETIF_F_GSO_GRE_CSUM | - NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_UDP_TUNNEL_CSUM | - NETIF_F_GSO_PARTIAL; - - dev->gso_partial_features = NETIF_F_GSO_GRE_CSUM | - NETIF_F_GSO_UDP_TUNNEL_CSUM; + netdev_feature_set_bits(NETIF_F_GSO_GRE | NETIF_F_GSO_GRE_CSUM | + NETIF_F_GSO_IPXIP4 | NETIF_F_GSO_UDP_TUNNEL | + NETIF_F_GSO_UDP_TUNNEL_CSUM | + NETIF_F_GSO_PARTIAL, &dev->hw_features); + + netdev_feature_zero(&dev->hw_enc_features); + netdev_feature_set_bits(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_SG | NETIF_F_TSO | + NETIF_F_TSO_ECN | NETIF_F_TSO6 | + NETIF_F_GSO_IPXIP4 | NETIF_F_GSO_GRE | + NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_UDP_TUNNEL | + NETIF_F_GSO_UDP_TUNNEL_CSUM | + NETIF_F_GSO_PARTIAL, &dev->hw_enc_features); + + netdev_feature_zero(&dev->gso_partial_features); + netdev_feature_set_bits(NETIF_F_GSO_GRE_CSUM | + NETIF_F_GSO_UDP_TUNNEL_CSUM, + &dev->gso_partial_features);

if (IS_PF(bp)) dev->udp_tunnel_nic_info = &bnx2x_udp_tunnels; }

- dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA; + netdev_feature_zero(&dev->vlan_features); + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM | NETIF_F_TSO | + NETIF_F_TSO_ECN | NETIF_F_TSO6 | + NETIF_F_HIGHDMA, &dev->vlan_features);

if (IS_PF(bp)) { if (chip_is_e1x) bp->accept_any_vlan = true; else - dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; + netdev_feature_set_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + &dev->hw_features); } /* For VF we'll know whether to enable VLAN filtering after * getting a response to CHANNEL_TLV_ACQUIRE from PF. */

- dev->features |= dev->hw_features | NETIF_F_HW_VLAN_CTAG_RX; - dev->features |= NETIF_F_HIGHDMA; - if (dev->features & NETIF_F_LRO) - dev->features &= ~NETIF_F_GRO_HW; + netdev_feature_or(&dev->features, dev->features, dev->hw_features); + netdev_feature_set_bit(NETIF_F_HW_VLAN_CTAG_RX_BIT, &dev->features); + netdev_feature_set_bit(NETIF_F_HIGHDMA_BIT, &dev->features); + if (netdev_feature_test_bit(NETIF_F_LRO_BIT, dev->features)) + netdev_feature_clear_bit(NETIF_F_GRO_HW_BIT, &dev->features);

/* Add Loopback capability to the device */ - dev->hw_features |= NETIF_F_LOOPBACK; + netdev_feature_set_bit(NETIF_F_LOOPBACK_BIT, &dev->features);

#ifdef BCM_DCBNL dev->dcbnl_ops = &bnx2x_dcbnl_ops; @@ -13989,8 +14001,10 @@ static int bnx2x_init_one(struct pci_dev *pdev, #ifdef CONFIG_BNX2X_SRIOV /* VF with OLD Hypervisor or old PF do not support filtering */ if (bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER) { - dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; - dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + netdev_feature_set_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + &dev->hw_features); + netdev_feature_set_bit(NETIF_F_HW_VLAN_CTAG_FILTER_BIT, + &dev->features); } #endif } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 5fa1d3b..3d907bb 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1672,7 +1672,8 @@ static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp, skb_set_hash(skb, tpa_info->rss_hash, tpa_info->hash_type);

if ((tpa_info->flags2 & RX_CMP_FLAGS2_META_FORMAT_VLAN) && - (skb->dev->features & BNXT_HW_FEATURE_VLAN_ALL_RX)) { + (netdev_feature_test_bits(BNXT_HW_FEATURE_VLAN_ALL_RX, + skb->dev->features))) { __be16 vlan_proto = htons(tpa_info->metadata >> RX_CMP_FLAGS2_METADATA_TPID_SFT); u16 vtag = tpa_info->metadata & RX_CMP_FLAGS2_METADATA_TCI_MASK; @@ -1901,7 +1902,8 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,

if ((rxcmp1->rx_cmp_flags2 & cpu_to_le32(RX_CMP_FLAGS2_META_FORMAT_VLAN)) && - (skb->dev->features & BNXT_HW_FEATURE_VLAN_ALL_RX)) { + netdev_feature_test_bits(BNXT_HW_FEATURE_VLAN_ALL_RX, + skb->dev->features)) { u32 meta_data = le32_to_cpu(rxcmp1->rx_cmp_meta_data); u16 vtag = meta_data & RX_CMP_FLAGS2_METADATA_TCI_MASK; __be16 vlan_proto = htons(meta_data >> @@ -1917,13 +1919,15 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,

skb_checksum_none_assert(skb); if (RX_CMP_L4_CS_OK(rxcmp1)) { - if (dev->features & NETIF_F_RXCSUM) { + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, + dev->features)) { skb->ip_summed = CHECKSUM_UNNECESSARY; skb->csum_level = RX_CMP_ENCAP(rxcmp1); } } else { if (rxcmp1->rx_cmp_cfa_code_errors_v2 & RX_CMP_L4_CS_ERR_BITS) { - if (dev->features & NETIF_F_RXCSUM) + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, + dev->features)) bnapi->cp_ring.sw_stats.rx.rx_l4_csum_errors++; } } @@ -3673,9 +3677,10 @@ void bnxt_set_tpa_flags(struct bnxt *bp) bp->flags &= ~BNXT_FLAG_TPA; if (bp->flags & BNXT_FLAG_NO_AGG_RINGS) return; - if (bp->dev->features & NETIF_F_LRO) + if (netdev_feature_test_bit(NETIF_F_LRO_BIT, bp->dev->features)) bp->flags |= BNXT_FLAG_LRO; - else if (bp->dev->features & NETIF_F_GRO_HW) + else if (netdev_feature_test_bit(NETIF_F_GRO_HW_BIT, + bp->dev->features)) bp->flags |= BNXT_FLAG_GRO; }

@@ -6496,8 +6501,10 @@ static int __bnxt_reserve_rings(struct bnxt *bp)

bp->flags &= ~BNXT_FLAG_AGG_RINGS; bp->flags |= BNXT_FLAG_NO_AGG_RINGS; - bp->dev->hw_features &= ~NETIF_F_LRO; - bp->dev->features &= ~NETIF_F_LRO; + netdev_feature_clear_bit(NETIF_F_LRO_BIT, + &bp->dev->hw_features); + netdev_feature_clear_bit(NETIF_F_LRO_BIT, + &bp->dev->features); bnxt_set_ring_params(bp); } } @@ -10221,7 +10228,8 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) if ((bp->flags & BNXT_FLAG_RFS) && !(bp->flags & BNXT_FLAG_USING_MSIX)) { /* disable RFS if falling back to INTA */ - bp->dev->hw_features &= ~NETIF_F_NTUPLE; + netdev_feature_clear_bit(NETIF_F_NTUPLE_BIT, + &bp->dev->hw_features); bp->flags &= ~BNXT_FLAG_RFS; }

@@ -10914,34 +10922,42 @@ static bool bnxt_rfs_capable(struct bnxt *bp) static void bnxt_fix_features(struct net_device *dev, netdev_features_t *features) { + netdev_features_t vlan_features, tmp; struct bnxt *bp = netdev_priv(dev); - netdev_features_t vlan_features;

- if ((*features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp)) - *features &= ~NETIF_F_NTUPLE; + if (netdev_feature_test_bit(NETIF_F_NTUPLE_BIT, *features) && + !bnxt_rfs_capable(bp)) + netdev_feature_clear_bit(NETIF_F_NTUPLE_BIT, features);

if (bp->flags & BNXT_FLAG_NO_AGG_RINGS) - *features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW); + netdev_feature_clear_bits(NETIF_F_LRO | NETIF_F_GRO_HW, + features);

- if (!(*features & NETIF_F_GRO)) - *features &= ~NETIF_F_GRO_HW; + if (!netdev_feature_test_bit(NETIF_F_GRO_BIT, *features)) + netdev_feature_clear_bit(NETIF_F_GRO_HW_BIT, features);

- if (*features & NETIF_F_GRO_HW) - *features &= ~NETIF_F_LRO; + if (netdev_feature_test_bit(NETIF_F_GRO_HW_BIT, *features)) + netdev_feature_clear_bit(NETIF_F_LRO_BIT, features);

/* Both CTAG and STAG VLAN accelaration on the RX side have to be * turned on or off together. */ - vlan_features = *features & BNXT_HW_FEATURE_VLAN_ALL_RX; - if (vlan_features != BNXT_HW_FEATURE_VLAN_ALL_RX) { - if (dev->features & BNXT_HW_FEATURE_VLAN_ALL_RX) - *features &= ~BNXT_HW_FEATURE_VLAN_ALL_RX; - else if (vlan_features) - *features |= BNXT_HW_FEATURE_VLAN_ALL_RX; + netdev_feature_zero(&tmp); + netdev_feature_set_bits(BNXT_HW_FEATURE_VLAN_ALL_RX, &tmp); + netdev_feature_and(&vlan_features, *features, tmp); + if (!netdev_feature_equal(vlan_features, tmp)) { + if (netdev_feature_test_bits(BNXT_HW_FEATURE_VLAN_ALL_RX, + dev->features)) + netdev_feature_clear_bits(BNXT_HW_FEATURE_VLAN_ALL_RX, + &dev->features); + else if (!netdev_feature_empty(vlan_features)) + netdev_feature_set_bits(BNXT_HW_FEATURE_VLAN_ALL_RX, + &dev->features); } #ifdef CONFIG_BNXT_SRIOV if (BNXT_VF(bp) && bp->vf.vlan) - *features &= ~BNXT_HW_FEATURE_VLAN_ALL_RX; + netdev_feature_clear_bits(BNXT_HW_FEATURE_VLAN_ALL_RX, + features); #endif }

@@ -10955,18 +10971,18 @@ static int bnxt_set_features(struct net_device *dev, netdev_features_t features) bool update_tpa = false;

flags &= ~BNXT_FLAG_ALL_CONFIG_FEATS; - if (features & NETIF_F_GRO_HW) + if (netdev_feature_test_bit(NETIF_F_GRO_HW_BIT, features)) flags |= BNXT_FLAG_GRO; - else if (features & NETIF_F_LRO) + else if (netdev_feature_test_bit(NETIF_F_LRO_BIT, features)) flags |= BNXT_FLAG_LRO;

if (bp->flags & BNXT_FLAG_NO_AGG_RINGS) flags &= ~BNXT_FLAG_TPA;

- if (features & BNXT_HW_FEATURE_VLAN_ALL_RX) + if (netdev_feature_test_bits(BNXT_HW_FEATURE_VLAN_ALL_RX, features)) flags |= BNXT_FLAG_STRIP_VLAN;

- if (features & NETIF_F_NTUPLE) + if (netdev_feature_test_bit(NETIF_F_NTUPLE_BIT, features)) flags |= BNXT_FLAG_RFS;

changes = flags ^ bp->flags; @@ -11129,7 +11145,8 @@ static void bnxt_features_check(struct sk_buff *skb, struct net_device *dev, return; break; } - *features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); + netdev_feature_clear_bits(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK, + features); }

int bnxt_dbg_hwrm_rd_reg(struct bnxt *bp, u32 reg_off, u16 num_words, @@ -11966,14 +11983,15 @@ static void bnxt_set_dflt_rfs(struct bnxt *bp) { struct net_device *dev = bp->dev;

- dev->hw_features &= ~NETIF_F_NTUPLE; - dev->features &= ~NETIF_F_NTUPLE; + netdev_feature_clear_bit(NETIF_F_NTUPLE_BIT, &dev->hw_features); + netdev_feature_clear_bit(NETIF_F_NTUPLE_BIT, &dev->features); bp->flags &= ~BNXT_FLAG_RFS; if (bnxt_rfs_supported(bp)) { - dev->hw_features |= NETIF_F_NTUPLE; + netdev_feature_set_bit(NETIF_F_NTUPLE_BIT, &dev->hw_features); if (bnxt_rfs_capable(bp)) { bp->flags |= BNXT_FLAG_RFS; - dev->features |= NETIF_F_NTUPLE; + netdev_feature_set_bit(NETIF_F_NTUPLE_BIT, + &dev->features); } } } @@ -12952,8 +12970,10 @@ static int bnxt_get_dflt_rings(struct bnxt *bp, int *max_rx, int *max_tx, return rc; } bp->flags |= BNXT_FLAG_NO_AGG_RINGS; - bp->dev->hw_features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW); - bp->dev->features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW); + netdev_feature_clear_bits(NETIF_F_LRO | NETIF_F_GRO_HW, + &bp->dev->hw_features); + netdev_feature_clear_bits(NETIF_F_LRO | NETIF_F_GRO_HW, + &bp->dev->features); bnxt_set_ring_params(bp); }

@@ -13068,7 +13088,7 @@ static int bnxt_init_dflt_ring_mode(struct bnxt *bp) bp->tx_nr_rings_per_tc = bp->tx_nr_rings; if (bnxt_rfs_supported(bp) && bnxt_rfs_capable(bp)) { bp->flags |= BNXT_FLAG_RFS; - bp->dev->features |= NETIF_F_NTUPLE; + netdev_feature_set_bit(NETIF_F_NTUPLE_BIT, &bp->dev->features); } init_dflt_ring_err: bnxt_ulp_irq_restart(bp, rc); @@ -13289,37 +13309,46 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto init_err_pci_clean; }

- dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG | - NETIF_F_TSO | NETIF_F_TSO6 | - NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | - NETIF_F_GSO_IPXIP4 | - NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM | - NETIF_F_GSO_PARTIAL | NETIF_F_RXHASH | - NETIF_F_RXCSUM | NETIF_F_GRO; + netdev_feature_zero(&dev->hw_features); + netdev_feature_set_bits(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | + NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | + NETIF_F_GSO_IPXIP4 | + NETIF_F_GSO_UDP_TUNNEL_CSUM | + NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_PARTIAL | + NETIF_F_RXHASH | NETIF_F_RXCSUM | NETIF_F_GRO, + &dev->hw_features);

if (BNXT_SUPPORTS_TPA(bp)) - dev->hw_features |= NETIF_F_LRO; - - dev->hw_enc_features = - NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG | - NETIF_F_TSO | NETIF_F_TSO6 | - NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | - NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM | - NETIF_F_GSO_IPXIP4 | NETIF_F_GSO_PARTIAL; + netdev_feature_set_bit(NETIF_F_LRO_BIT, &dev->hw_features); + + netdev_feature_zero(&dev->hw_enc_features); + netdev_feature_set_bits(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | + NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | + NETIF_F_GSO_UDP_TUNNEL_CSUM | + NETIF_F_GSO_GRE_CSUM | NETIF_F_GSO_IPXIP4 | + NETIF_F_GSO_PARTIAL, &dev->hw_enc_features); dev->udp_tunnel_nic_info = &bnxt_udp_tunnels;

- dev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM | - NETIF_F_GSO_GRE_CSUM; - dev->vlan_features = dev->hw_features | NETIF_F_HIGHDMA; + netdev_feature_zero(&dev->gso_partial_features); + netdev_feature_set_bits(NETIF_F_GSO_UDP_TUNNEL_CSUM | + NETIF_F_GSO_GRE_CSUM, + &dev->gso_partial_features); + netdev_feature_copy(&dev->vlan_features, dev->hw_features); + netdev_feature_set_bit(NETIF_F_HIGHDMA_BIT, &dev->vlan_features); if (bp->fw_cap & BNXT_FW_CAP_VLAN_RX_STRIP) - dev->hw_features |= BNXT_HW_FEATURE_VLAN_ALL_RX; + netdev_feature_set_bits(BNXT_HW_FEATURE_VLAN_ALL_RX, + &dev->hw_features); if (bp->fw_cap & BNXT_FW_CAP_VLAN_TX_INSERT) - dev->hw_features |= BNXT_HW_FEATURE_VLAN_ALL_TX; + netdev_feature_set_bits(BNXT_HW_FEATURE_VLAN_ALL_TX, + &dev->hw_features); if (BNXT_SUPPORTS_TPA(bp)) - dev->hw_features |= NETIF_F_GRO_HW; - dev->features |= dev->hw_features | NETIF_F_HIGHDMA; - if (dev->features & NETIF_F_GRO_HW) - dev->features &= ~NETIF_F_LRO; + netdev_feature_set_bit(NETIF_F_GRO_HW_BIT, &dev->hw_features); + netdev_feature_or(&dev->features, dev->features, dev->hw_features); + netdev_feature_set_bit(NETIF_F_HIGHDMA_BIT, &dev->features); + if (netdev_feature_test_bit(NETIF_F_GRO_HW_BIT, dev->features)) + netdev_feature_clear_bit(NETIF_F_LRO_BIT, &dev->features); dev->priv_flags |= IFF_UNICAST_FLT;

#ifdef CONFIG_BNXT_SRIOV @@ -13368,7 +13397,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)

bnxt_fw_init_one_p3(bp);

- if (dev->hw_features & BNXT_HW_FEATURE_VLAN_ALL_RX) + if (netdev_feature_test_bits(BNXT_HW_FEATURE_VLAN_ALL_RX, + dev->hw_features)) bp->flags |= BNXT_FLAG_STRIP_VLAN;

rc = bnxt_init_int_mode(bp); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c index 5e4429b..0a3fbb4 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c @@ -2041,8 +2041,8 @@ int bnxt_init_tc(struct bnxt *bp) goto destroy_decap_table;

tc_info->enabled = true; - bp->dev->hw_features |= NETIF_F_HW_TC; - bp->dev->features |= NETIF_F_HW_TC; + netdev_feature_set_bit(NETIF_F_HW_TC_BIT, &bp->dev->hw_features); + netdev_feature_set_bit(NETIF_F_HW_TC_BIT, &bp->dev->features); bp->tc_info = tc_info;

/* init indirect block notifications */ diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c index dd66302..b1d4534 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c @@ -464,11 +464,12 @@ static void bnxt_vf_rep_netdev_init(struct bnxt *bp, struct bnxt_vf_rep *vf_rep, /* Just inherit all the featues of the parent PF as the VF-R * uses the RX/TX rings of the parent PF */ - dev->hw_features = pf_dev->hw_features; - dev->gso_partial_features = pf_dev->gso_partial_features; - dev->vlan_features = pf_dev->vlan_features; - dev->hw_enc_features = pf_dev->hw_enc_features; - dev->features |= pf_dev->features; + netdev_feature_copy(&dev->hw_features, pf_dev->hw_features); + netdev_feature_copy(&dev->gso_partial_features, + pf_dev->gso_partial_features); + netdev_feature_copy(&dev->vlan_features, pf_dev->vlan_features); + netdev_feature_copy(&dev->hw_enc_features, pf_dev->hw_enc_features); + netdev_feature_copy(&dev->features, pf_dev->features); bnxt_vf_rep_eth_addr_gen(bp->pf.mac_addr, vf_rep->vf_idx, dev->perm_addr); ether_addr_copy(dev->dev_addr, dev->perm_addr); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c index bee6e09..18cc0e3 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c @@ -297,7 +297,8 @@ static int bnxt_xdp_set(struct bnxt *bp, struct bpf_prog *prog) bnxt_get_max_rings(bp, &rx, &tx, true); if (rx > 1) { bp->flags &= ~BNXT_FLAG_NO_AGG_RINGS; - bp->dev->hw_features |= NETIF_F_LRO; + netdev_feature_set_bit(NETIF_F_LRO_BIT, + &bp->dev->hw_features); } } bp->tx_nr_rings_xdp = tx_xdp; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 8507198..70cf8be 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -2237,7 +2237,8 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring,

status = (struct status_64 *)skb->data; dma_length_status = status->length_status; - if (dev->features & NETIF_F_RXCSUM) { + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, + dev->features)) { rx_csum = (__force __be16)(status->rx_csum & 0xffff); skb->csum = (__force __wsum)ntohs(rx_csum); skb->ip_summed = CHECKSUM_COMPLETE; @@ -3955,10 +3956,11 @@ static int bcmgenet_probe(struct platform_device *pdev) priv->msg_enable = netif_msg_init(-1, GENET_MSG_DEFAULT);

/* Set default features */ - dev->features |= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | - NETIF_F_RXCSUM; - dev->hw_features |= dev->features; - dev->vlan_features |= dev->features; + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | + NETIF_F_RXCSUM, &dev->features); + netdev_feature_or(&dev->hw_features, dev->hw_features, dev->features); + netdev_feature_or(&dev->vlan_features, dev->vlan_features, + dev->features);

/* Request the WOL interrupt and advertise suspend if available */ priv->wol_irq_disabled = true; diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 31b43fe..7abbae3 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -6920,7 +6920,8 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget) tg3_hwclock_to_timestamp(tp, tstamp, skb_hwtstamps(skb));

- if ((tp->dev->features & NETIF_F_RXCSUM) && + if (netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, + tp->dev->features) && (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) && (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK) >> RXD_TCPCSUM_SHIFT) == 0xffff)) @@ -7864,6 +7865,7 @@ static int tg3_tso_bug(struct tg3 *tp, struct tg3_napi *tnapi, { u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3; struct sk_buff *segs, *seg, *next; + netdev_features_t tmp;

/* Estimate the number of fragments in the worst case */ if (unlikely(tg3_tx_avail(tnapi) <= frag_cnt_est)) { @@ -7881,8 +7883,9 @@ static int tg3_tso_bug(struct tg3 *tp, struct tg3_napi *tnapi, netif_tx_wake_queue(txq); }

- segs = skb_gso_segment(skb, tp->dev->features & - ~(NETIF_F_TSO | NETIF_F_TSO6)); + netdev_feature_copy(&tmp, tp->dev->features); + netdev_feature_clear_bits(NETIF_F_TSO | NETIF_F_TSO6, &tmp); + segs = skb_gso_segment(skb, tmp); if (IS_ERR(segs) || !segs) goto tg3_tso_bug_end;

@@ -8283,7 +8286,7 @@ static void tg3_set_loopback(struct net_device *dev, netdev_features_t features) { struct tg3 *tp = netdev_priv(dev);

- if (features & NETIF_F_LOOPBACK) { + if (netdev_feature_test_bit(NETIF_F_LOOPBACK_BIT, features)) { if (tp->mac_mode & MAC_MODE_PORT_INT_LPBACK) return;

@@ -8311,14 +8314,16 @@ static void tg3_fix_features(struct net_device *dev, struct tg3 *tp = netdev_priv(dev);

if (dev->mtu > ETH_DATA_LEN && tg3_flag(tp, 5780_CLASS)) - *features &= ~NETIF_F_ALL_TSO; + netdev_feature_clear_bits(NETIF_F_ALL_TSO, features); }

static int tg3_set_features(struct net_device *dev, netdev_features_t features) { - netdev_features_t changed = dev->features ^ features; + netdev_features_t changed;

- if ((changed & NETIF_F_LOOPBACK) && netif_running(dev)) + netdev_feature_xor(&changed, dev->features, features); + if (netdev_feature_test_bit(NETIF_F_LOOPBACK_BIT, changed) && + netif_running(dev)) tg3_set_loopback(dev, features);

return 0; @@ -11651,7 +11656,7 @@ static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq, * Reset loopback feature if it was turned on while the device was down * make sure that it's installed properly now. */ - if (dev->features & NETIF_F_LOOPBACK) + if (netdev_feature_test_bit(NETIF_F_LOOPBACK_BIT, dev->features)) tg3_set_loopback(dev, dev->features);

return 0; @@ -17612,7 +17617,9 @@ static int tg3_init_one(struct pci_dev *pdev, u32 sndmbx, rcvmbx, intmbx; char str[40]; u64 dma_mask, persist_dma_mask; - netdev_features_t features = 0; + netdev_features_t features; + + netdev_feature_zero(&features);

err = pci_enable_device(pdev); if (err) { @@ -17755,7 +17762,7 @@ static int tg3_init_one(struct pci_dev *pdev, if (dma_mask > DMA_BIT_MASK(32)) { err = pci_set_dma_mask(pdev, dma_mask); if (!err) { - features |= NETIF_F_HIGHDMA; + netdev_feature_set_bit(NETIF_F_HIGHDMA_BIT, &features); err = pci_set_consistent_dma_mask(pdev, persist_dma_mask); if (err < 0) { @@ -17780,10 +17787,12 @@ static int tg3_init_one(struct pci_dev *pdev, * to hardware bugs. */ if (tg3_chip_rev_id(tp) != CHIPREV_ID_5700_B0) { - features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM; + netdev_feature_set_bits(NETIF_F_SG | NETIF_F_IP_CSUM | + NETIF_F_RXCSUM, &features);

if (tg3_flag(tp, 5755_PLUS)) - features |= NETIF_F_IPV6_CSUM; + netdev_feature_set_bit(NETIF_F_IPV6_CSUM_BIT, + &features); }

/* TSO is on by default on chips that support hardware TSO. @@ -17793,23 +17802,24 @@ static int tg3_init_one(struct pci_dev *pdev, if ((tg3_flag(tp, HW_TSO_1) || tg3_flag(tp, HW_TSO_2) || tg3_flag(tp, HW_TSO_3)) && - (features & NETIF_F_IP_CSUM)) - features |= NETIF_F_TSO; + netdev_feature_test_bit(NETIF_F_IP_CSUM_BIT, features)) + netdev_feature_set_bit(NETIF_F_TSO_BIT, &features); if (tg3_flag(tp, HW_TSO_2) || tg3_flag(tp, HW_TSO_3)) { - if (features & NETIF_F_IPV6_CSUM) - features |= NETIF_F_TSO6; + if (netdev_feature_test_bit(NETIF_F_IPV6_CSUM_BIT, features)) + netdev_feature_set_bit(NETIF_F_TSO6_BIT, &features); if (tg3_flag(tp, HW_TSO_3) || tg3_asic_rev(tp) == ASIC_REV_5761 || (tg3_asic_rev(tp) == ASIC_REV_5784 && tg3_chip_rev(tp) != CHIPREV_5784_AX) || tg3_asic_rev(tp) == ASIC_REV_5785 || tg3_asic_rev(tp) == ASIC_REV_57780) - features |= NETIF_F_TSO_ECN; + netdev_feature_set_bit(NETIF_F_TSO_ECN_BIT, &features); }

- dev->features |= features | NETIF_F_HW_VLAN_CTAG_TX | - NETIF_F_HW_VLAN_CTAG_RX; - dev->vlan_features |= features; + netdev_feature_or(&dev->features, dev->features, features); + netdev_feature_set_bits(NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX, &dev->features); + netdev_feature_or(&dev->vlan_features, dev->vlan_features, features);

/* * Add loopback capability only for a subset of devices that support @@ -17819,9 +17829,9 @@ static int tg3_init_one(struct pci_dev *pdev, if (tg3_asic_rev(tp) != ASIC_REV_5780 && !tg3_flag(tp, CPMU_PRESENT)) /* Add the loopback capability */ - features |= NETIF_F_LOOPBACK; + netdev_feature_set_bit(NETIF_F_LOOPBACK_BIT, &features);

- dev->hw_features |= features; + netdev_feature_or(&dev->hw_features, dev->hw_features, features); dev->priv_flags |= IFF_UNICAST_FLT;

/* MTU range: 60 - 9000 or 1500, depending on hardware */ @@ -17956,7 +17966,7 @@ static int tg3_init_one(struct pci_dev *pdev, }

netdev_info(dev, "RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n", - (dev->features & NETIF_F_RXCSUM) != 0, + netdev_feature_test_bit(NETIF_F_RXCSUM_BIT, dev->features), tg3_flag(tp, USE_LINKCHG_REG) != 0, (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) != 0, tg3_flag(tp, ENABLE_ASF) != 0,