chelsio: do vlan cleanup

- unify vlan and nonvlan rx path
- kill adapter->vlan_grp and t1_vlan_rx_register
- allow to turn on/off rx/tx vlan accel via ethtool (set_features)

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/chelsio/sge.h b/drivers/net/chelsio/sge.h
index 00cc37f..e03980b 100644
--- a/drivers/net/chelsio/sge.h
+++ b/drivers/net/chelsio/sge.h
@@ -79,7 +79,7 @@
 int t1_poll(struct napi_struct *, int);
 
 netdev_tx_t t1_start_xmit(struct sk_buff *skb, struct net_device *dev);
-void t1_set_vlan_accel(struct adapter *adapter, int on_off);
+void t1_vlan_mode(struct adapter *adapter, u32 features);
 void t1_sge_start(struct sge *);
 void t1_sge_stop(struct sge *);
 int t1_sge_intr_error_handler(struct sge *);