diff mbox series

[RFCv2,net-next,041/167] team: use netdev feature helpers

Message ID 20210929155334.12454-42-shenjian15@huawei.com (mailing list archive)
State RFC
Delegated to: Netdev Maintainers
Headers show
Series net: extend the netdev_features_t | expand

Commit Message

shenjian (K) Sept. 29, 2021, 3:51 p.m. UTC
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 mbox series

Patch

diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index fa96ee62c91a..207771e0d1c8 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,