e1000: do vlan cleanup

- unify vlan and nonvlan rx path
- kill adapter->vlgrp and e1000_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/e1000/e1000.h b/drivers/net/e1000/e1000.h
index 8676899..24f41da 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -215,7 +215,7 @@
 	struct timer_list tx_fifo_stall_timer;
 	struct timer_list watchdog_timer;
 	struct timer_list phy_info_timer;
-	struct vlan_group *vlgrp;
+	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 	u16 mng_vlan_id;
 	u32 bd_number;
 	u32 rx_buffer_len;