team: Fix initial vlan_feature set in __team_compute_features

BugLink: https://bugs.launchpad.net/bugs/2097332

[ Upstream commit 396699a ]

Similarly as with bonding, fix the calculation of vlan_features to reuse
netdev_base_features() in order derive the set in the same way as
ndo_fix_features before iterating through the slave devices to refine the
feature set.

Fixes: 3625920 ("teaming: fix vlan_features computing")
Signed-off-by: Daniel Borkmann <[email protected]>
Cc: Nikolay Aleksandrov <[email protected]>
Cc: Ido Schimmel <[email protected]>
Cc: Jiri Pirko <[email protected]>
Reviewed-by: Nikolay Aleksandrov <[email protected]>
Reviewed-by: Hangbin Liu <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Koichiro Den <[email protected]>

Author: borkmann

drivers/net/team/team_core.c

@@ -992,13 +992,14 @@ 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 vlan_features = TEAM_VLAN_FEATURES;
 	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;
 
+	vlan_features = netdev_base_features(vlan_features);
+
 	rcu_read_lock();
 	list_for_each_entry_rcu(port, &team->port_list, list) {
 		vlan_features = netdev_increment_features(vlan_features,