在 2021/9/24 10:52, wangjie (L) 写道:
On 2021/9/22 22:56, Jian Shen wrote:
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 | 106 ++++++++++++++++++----------- drivers/net/bonding/bond_options.c | 12 ++-- 2 files changed, 76 insertions(+), 42 deletions(-)
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index b1c13fa3c677..e9e00cec2206 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1371,15 +1371,15 @@ 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, @@ -1403,12 +1403,16 @@ 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; @@ -1416,29 +1420,44 @@ 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_and_bits(NETIF_F_ALL_FOR_ALL, &vlan_features); + netdev_feature_and_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_mask); #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) @@ -1450,14 +1469,16 @@ 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);
bond_dev->vlan_features -> ond_dev->hw_enc_features ?
yes, will fix it next version
#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);
@@ -1781,7 +1802,8 @@ 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)) { SLAVE_NL_ERR(bond_dev, slave_dev, extack, @@ -1794,7 +1816,7 @@ 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 @@ -2087,7 +2109,7 @@ 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, @@ -2285,8 +2307,9 @@ 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)) { @@ -2390,8 +2413,9 @@ 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); @@ -5406,7 +5430,7 @@ 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 @@ -5416,24 +5440,30 @@ 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 a8fde3bc458f..b0c3a28c2448 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; }
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