net: vlan: prepare for 802.1ad VLAN filtering offload

Change the rx_{add,kill}_vid callbacks to take a protocol argument in
preparation of 802.1ad support. The protocol argument used so far is
always htons(ETH_P_8021Q).

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 files changed, 57 insertions, 36 deletions

diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 8d0d0d4..8239daf 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -166,8 +166,10 @@ static void e1000_vlan_mode(struct net_device *netdev,
 			    netdev_features_t features);
 static void e1000_vlan_filter_on_off(struct e1000_adapter *adapter,
 				     bool filter_on);
-static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
-static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
+static int e1000_vlan_rx_add_vid(struct net_device *netdev,
+				 __be16 proto, u16 vid);
+static int e1000_vlan_rx_kill_vid(struct net_device *netdev,
+				  __be16 proto, u16 vid);
 static void e1000_restore_vlan(struct e1000_adapter *adapter);
 
 #ifdef CONFIG_PM
@@ -333,7 +335,7 @@ static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
 	if (!test_bit(vid, adapter->active_vlans)) {
 		if (hw->mng_cookie.status &
 		    E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
-			e1000_vlan_rx_add_vid(netdev, vid);
+			e1000_vlan_rx_add_vid(netdev, htons(ETH_P_8021Q), vid);
 			adapter->mng_vlan_id = vid;
 		} else {
 			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
@@ -341,7 +343,8 @@ static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
 		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
 		    (vid != old_vid) &&
 		    !test_bit(old_vid, adapter->active_vlans))
-			e1000_vlan_rx_kill_vid(netdev, old_vid);
+			e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q),
+					       old_vid);
 	} else {
 		adapter->mng_vlan_id = vid;
 	}
@@ -1457,7 +1460,8 @@ static int e1000_close(struct net_device *netdev)
 	if ((hw->mng_cookie.status &
 	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
 	    !test_bit(adapter->mng_vlan_id, adapter->active_vlans)) {
-		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
+		e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q),
+				       adapter->mng_vlan_id);
 	}
 
 	return 0;
@@ -4837,7 +4841,8 @@ static void e1000_vlan_mode(struct net_device *netdev,
 		e1000_irq_enable(adapter);
 }
 
-static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+static int e1000_vlan_rx_add_vid(struct net_device *netdev,
+				 __be16 proto, u16 vid)
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
@@ -4862,7 +4867,8 @@ static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
 	return 0;
 }
 
-static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+static int e1000_vlan_rx_kill_vid(struct net_device *netdev,
+				  __be16 proto, u16 vid)
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
@@ -4896,7 +4902,7 @@ static void e1000_restore_vlan(struct e1000_adapter *adapter)
 
 	e1000_vlan_filter_on_off(adapter, true);
 	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
-		e1000_vlan_rx_add_vid(adapter->netdev, vid);
+		e1000_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
 }
 
 int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index a2e7db3..8c17f01 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -2672,7 +2672,8 @@ static int e1000e_poll(struct napi_struct *napi, int weight)
 	return work_done;
 }
 
-static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+static int e1000_vlan_rx_add_vid(struct net_device *netdev,
+				 __be16 proto, u16 vid)
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
@@ -2697,7 +2698,8 @@ static int e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
 	return 0;
 }
 
-static int e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+static int e1000_vlan_rx_kill_vid(struct net_device *netdev,
+				  __be16 proto, u16 vid)
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
@@ -2741,7 +2743,8 @@ static void e1000e_vlan_filter_disable(struct e1000_adapter *adapter)
 		ew32(RCTL, rctl);
 
 		if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
-			e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
+			e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q),
+					       adapter->mng_vlan_id);
 			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
 		}
 	}
@@ -2802,22 +2805,22 @@ static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
 	u16 old_vid = adapter->mng_vlan_id;
 
 	if (adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
-		e1000_vlan_rx_add_vid(netdev, vid);
+		e1000_vlan_rx_add_vid(netdev, htons(ETH_P_8021Q), vid);
 		adapter->mng_vlan_id = vid;
 	}
 
 	if ((old_vid != (u16)E1000_MNG_VLAN_NONE) && (vid != old_vid))
-		e1000_vlan_rx_kill_vid(netdev, old_vid);
+		e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q), old_vid);
 }
 
 static void e1000_restore_vlan(struct e1000_adapter *adapter)
 {
 	u16 vid;
 
-	e1000_vlan_rx_add_vid(adapter->netdev, 0);
+	e1000_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), 0);
 
 	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
-	    e1000_vlan_rx_add_vid(adapter->netdev, vid);
+	    e1000_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
 }
 
 static void e1000_init_manageability_pt(struct e1000_adapter *adapter)
@@ -4384,7 +4387,8 @@ static int e1000_close(struct net_device *netdev)
 	 * the same ID is registered on the host OS (let 8021q kill it)
 	 */
 	if (adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN)
-		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
+		e1000_vlan_rx_kill_vid(netdev, htons(ETH_P_8021Q),
+				       adapter->mng_vlan_id);
 
 	/* If AMT is enabled, let the firmware know that the network
 	 * interface is now closed
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index b0b1777..d13ea71 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -159,8 +159,8 @@ static int igb_ioctl(struct net_device *, struct ifreq *, int cmd);
 static void igb_tx_timeout(struct net_device *);
 static void igb_reset_task(struct work_struct *);
 static void igb_vlan_mode(struct net_device *netdev, netdev_features_t features);
-static int igb_vlan_rx_add_vid(struct net_device *, u16);
-static int igb_vlan_rx_kill_vid(struct net_device *, u16);
+static int igb_vlan_rx_add_vid(struct net_device *, __be16, u16);
+static int igb_vlan_rx_kill_vid(struct net_device *, __be16, u16);
 static void igb_restore_vlan(struct igb_adapter *);
 static void igb_rar_set_qsel(struct igb_adapter *, u8 *, u32 , u8);
 static void igb_ping_all_vfs(struct igb_adapter *);
@@ -6976,7 +6976,8 @@ static void igb_vlan_mode(struct net_device *netdev, netdev_features_t features)
 	igb_rlpml_set(adapter);
 }
 
-static int igb_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+static int igb_vlan_rx_add_vid(struct net_device *netdev,
+			       __be16 proto, u16 vid)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
@@ -6993,7 +6994,8 @@ static int igb_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
 	return 0;
 }
 
-static int igb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+static int igb_vlan_rx_kill_vid(struct net_device *netdev,
+				__be16 proto, u16 vid)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
@@ -7019,7 +7021,7 @@ static void igb_restore_vlan(struct igb_adapter *adapter)
 	igb_vlan_mode(adapter->netdev, adapter->netdev->features);
 
 	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
-		igb_vlan_rx_add_vid(adapter->netdev, vid);
+		igb_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
 }
 
 int igb_set_spd_dplx(struct igb_adapter *adapter, u32 spd, u8 dplx)
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index 33e7b30..3854fd6 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -1230,7 +1230,8 @@ static void igbvf_set_rlpml(struct igbvf_adapter *adapter)
 	e1000_rlpml_set_vf(hw, max_frame_size);
 }
 
-static int igbvf_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+static int igbvf_vlan_rx_add_vid(struct net_device *netdev,
+				 __be16 proto, u16 vid)
 {
 	struct igbvf_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
@@ -1243,7 +1244,8 @@ static int igbvf_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
 	return 0;
 }
 
-static int igbvf_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+static int igbvf_vlan_rx_kill_vid(struct net_device *netdev,
+				  __be16 proto, u16 vid)
 {
 	struct igbvf_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
@@ -1262,7 +1264,7 @@ static void igbvf_restore_vlan(struct igbvf_adapter *adapter)
 	u16 vid;
 
 	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
-		igbvf_vlan_rx_add_vid(adapter->netdev, vid);
+		igbvf_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
index e65d9e9..a32f274 100644
--- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c
+++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
@@ -101,8 +101,10 @@ static void ixgb_tx_timeout_task(struct work_struct *work);
 
 static void ixgb_vlan_strip_enable(struct ixgb_adapter *adapter);
 static void ixgb_vlan_strip_disable(struct ixgb_adapter *adapter);
-static int ixgb_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
-static int ixgb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
+static int ixgb_vlan_rx_add_vid(struct net_device *netdev,
+				__be16 proto, u16 vid);
+static int ixgb_vlan_rx_kill_vid(struct net_device *netdev,
+				 __be16 proto, u16 vid);
 static void ixgb_restore_vlan(struct ixgb_adapter *adapter);
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
@@ -2209,7 +2211,7 @@ ixgb_vlan_strip_disable(struct ixgb_adapter *adapter)
 }
 
 static int
-ixgb_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+ixgb_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid)
 {
 	struct ixgb_adapter *adapter = netdev_priv(netdev);
 	u32 vfta, index;
@@ -2226,7 +2228,7 @@ ixgb_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
 }
 
 static int
-ixgb_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+ixgb_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid)
 {
 	struct ixgb_adapter *adapter = netdev_priv(netdev);
 	u32 vfta, index;
@@ -2248,7 +2250,7 @@ ixgb_restore_vlan(struct ixgb_adapter *adapter)
 	u16 vid;
 
 	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
-		ixgb_vlan_rx_add_vid(adapter->netdev, vid);
+		ixgb_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
 }
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 0316b65..3becffc 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3467,7 +3467,8 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 	hw->mac.ops.enable_rx_dma(hw, rxctrl);
 }
 
-static int ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+static int ixgbe_vlan_rx_add_vid(struct net_device *netdev,
+				 __be16 proto, u16 vid)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	struct ixgbe_hw *hw = &adapter->hw;
@@ -3479,7 +3480,8 @@ static int ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
 	return 0;
 }
 
-static int ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+static int ixgbe_vlan_rx_kill_vid(struct net_device *netdev,
+				  __be16 proto, u16 vid)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	struct ixgbe_hw *hw = &adapter->hw;
@@ -3584,10 +3586,10 @@ static void ixgbe_restore_vlan(struct ixgbe_adapter *adapter)
 {
 	u16 vid;
 
-	ixgbe_vlan_rx_add_vid(adapter->netdev, 0);
+	ixgbe_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), 0);
 
 	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
-		ixgbe_vlan_rx_add_vid(adapter->netdev, vid);
+		ixgbe_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 8f907b7..4bc1f84 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1179,7 +1179,8 @@ static void ixgbevf_configure_rx(struct ixgbevf_adapter *adapter)
 	}
 }
 
-static int ixgbevf_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+static int ixgbevf_vlan_rx_add_vid(struct net_device *netdev,
+				   __be16 proto, u16 vid)
 {
 	struct ixgbevf_adapter *adapter = netdev_priv(netdev);
 	struct ixgbe_hw *hw = &adapter->hw;
@@ -1204,7 +1205,8 @@ static int ixgbevf_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
 	return err;
 }
 
-static int ixgbevf_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+static int ixgbevf_vlan_rx_kill_vid(struct net_device *netdev,
+				    __be16 proto, u16 vid)
 {
 	struct ixgbevf_adapter *adapter = netdev_priv(netdev);
 	struct ixgbe_hw *hw = &adapter->hw;
@@ -1227,7 +1229,8 @@ static void ixgbevf_restore_vlan(struct ixgbevf_adapter *adapter)
 	u16 vid;
 
 	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
-		ixgbevf_vlan_rx_add_vid(adapter->netdev, vid);
+		ixgbevf_vlan_rx_add_vid(adapter->netdev,
+					htons(ETH_P_8021Q), vid);
 }
 
 static int ixgbevf_write_uc_addr_list(struct net_device *netdev)