vlan: Rename VLAN_GROUP_ARRAY_LEN to VLAN_N_VID.

VLAN_GROUP_ARRAY_LEN is simply the number of possible vlan VIDs.
Since vlan groups will soon be more of an implementation detail
for vlan devices, rename the constant to be descriptive of its
actual purpose.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/benet/be.h

@@ -263,7 +263,7 @@ struct be_adapter {
 	struct vlan_group *vlan_grp;
 	u16 vlans_added;
 	u16 max_vlans;	/* Number of vlans supported */
-	u8 vlan_tag[VLAN_GROUP_ARRAY_LEN];
+	u8 vlan_tag[VLAN_N_VID];
 	struct be_dma_mem mc_cmd_mem;
 
 	struct be_dma_mem stats_cmd;

drivers/net/benet/be_main.c

@@ -626,7 +626,7 @@ static int be_vid_config(struct be_adapter *adapter, bool vf, u32 vf_num)
 
 	if (adapter->vlans_added <= adapter->max_vlans)  {
 		/* Construct VLAN Table to give to HW */
-		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+		for (i = 0; i < VLAN_N_VID; i++) {
 			if (adapter->vlan_tag[i]) {
 				vtag[ntags] = cpu_to_le16(i);
 				ntags++;

drivers/net/e1000/e1000_main.c

@@ -4541,7 +4541,7 @@ static void e1000_restore_vlan(struct e1000_adapter *adapter)
 
 	if (adapter->vlgrp) {
 		u16 vid;
-		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+		for (vid = 0; vid < VLAN_N_VID; vid++) {
 			if (!vlan_group_get_device(adapter->vlgrp, vid))
 				continue;
 			e1000_vlan_rx_add_vid(adapter->netdev, vid);

drivers/net/e1000e/netdev.c

@@ -2545,7 +2545,7 @@ static void e1000_restore_vlan(struct e1000_adapter *adapter)
 	if (!adapter->vlgrp)
 		return;
 
-	for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+	for (vid = 0; vid < VLAN_N_VID; vid++) {
 		if (!vlan_group_get_device(adapter->vlgrp, vid))
 			continue;
 		e1000_vlan_rx_add_vid(adapter->netdev, vid);

drivers/net/igb/igb_main.c

@@ -6153,7 +6153,7 @@ static void igb_restore_vlan(struct igb_adapter *adapter)
 
 	if (adapter->vlgrp) {
 		u16 vid;
-		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+		for (vid = 0; vid < VLAN_N_VID; vid++) {
 			if (!vlan_group_get_device(adapter->vlgrp, vid))
 				continue;
 			igb_vlan_rx_add_vid(adapter->netdev, vid);

drivers/net/igbvf/netdev.c

@@ -1254,7 +1254,7 @@ static void igbvf_restore_vlan(struct igbvf_adapter *adapter)
 	if (!adapter->vlgrp)
 		return;
 
-	for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+	for (vid = 0; vid < VLAN_N_VID; vid++) {
 		if (!vlan_group_get_device(adapter->vlgrp, vid))
 			continue;
 		igbvf_vlan_rx_add_vid(adapter->netdev, vid);

drivers/net/ixgb/ixgb_main.c

@@ -2223,7 +2223,7 @@ ixgb_restore_vlan(struct ixgb_adapter *adapter)
 
 	if (adapter->vlgrp) {
 		u16 vid;
-		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+		for (vid = 0; vid < VLAN_N_VID; vid++) {
 			if (!vlan_group_get_device(adapter->vlgrp, vid))
 				continue;
 			ixgb_vlan_rx_add_vid(adapter->netdev, vid);

drivers/net/ixgbe/ixgbe_main.c

@@ -3185,7 +3185,7 @@ static void ixgbe_restore_vlan(struct ixgbe_adapter *adapter)
 
 	if (adapter->vlgrp) {
 		u16 vid;
-		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+		for (vid = 0; vid < VLAN_N_VID; vid++) {
 			if (!vlan_group_get_device(adapter->vlgrp, vid))
 				continue;
 			ixgbe_vlan_rx_add_vid(adapter->netdev, vid);

drivers/net/ixgbevf/ixgbevf_main.c

@@ -1495,7 +1495,7 @@ static void ixgbevf_restore_vlan(struct ixgbevf_adapter *adapter)
 
 	if (adapter->vlgrp) {
 		u16 vid;
-		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+		for (vid = 0; vid < VLAN_N_VID; vid++) {
 			if (!vlan_group_get_device(adapter->vlgrp, vid))
 				continue;
 			ixgbevf_vlan_rx_add_vid(adapter->netdev, vid);

drivers/net/qlcnic/qlcnic_main.c

@@ -4093,7 +4093,7 @@ qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
 	if (!adapter->vlgrp)
 		return;
 
-	for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+	for (vid = 0; vid < VLAN_N_VID; vid++) {
 		dev = vlan_group_get_device(adapter->vlgrp, vid);
 		if (!dev)
 			continue;

drivers/net/vmxnet3/vmxnet3_drv.c

@@ -1634,7 +1634,7 @@ vmxnet3_restore_vlan(struct vmxnet3_adapter *adapter)
 		u32 *vfTable = adapter->shared->devRead.rxFilterConf.vfTable;
 		bool activeVlan = false;
 
-		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+		for (vid = 0; vid < VLAN_N_VID; vid++) {
 			if (vlan_group_get_device(adapter->vlan_grp, vid)) {
 				VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid);
 				activeVlan = true;

drivers/net/vxge/vxge-main.c

@@ -1862,7 +1862,7 @@ enum vxge_hw_status vxge_restore_vpath_vid_table(struct vxge_vpath *vpath)
 
 	if (vdev->vlgrp && vpath->is_open) {
 
-		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+		for (vid = 0; vid < VLAN_N_VID; vid++) {
 			if (!vlan_group_get_device(vdev->vlgrp, vid))
 				continue;
 			/* Add these vlan to the vid table */

drivers/s390/net/qeth_l3_main.c

@@ -1820,7 +1820,7 @@ static void qeth_l3_add_vlan_mc(struct qeth_card *card)
 		return;
 
 	vg = card->vlangrp;
-	for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+	for (i = 0; i < VLAN_N_VID; i++) {
 		struct net_device *netdev = vlan_group_get_device(vg, i);
 		if (netdev == NULL ||
 		    !(netdev->flags & IFF_UP))
@@ -1883,7 +1883,7 @@ static void qeth_l3_add_vlan_mc6(struct qeth_card *card)
 		return;
 
 	vg = card->vlangrp;
-	for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+	for (i = 0; i < VLAN_N_VID; i++) {
 		struct net_device *netdev = vlan_group_get_device(vg, i);
 		if (netdev == NULL ||
 		    !(netdev->flags & IFF_UP))
@@ -2247,7 +2247,7 @@ static int qeth_l3_verify_vlan_dev(struct net_device *dev,
 	if (!vg)
 		return rc;
 
-	for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+	for (i = 0; i < VLAN_N_VID; i++) {
 		if (vlan_group_get_device(vg, i) == dev) {
 			rc = QETH_VLAN_CARD;
 			break;

include/linux/if_vlan.h

@@ -68,6 +68,7 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
 #define VLAN_CFI_MASK		0x1000 /* Canonical Format Indicator */
 #define VLAN_TAG_PRESENT	VLAN_CFI_MASK
 #define VLAN_VID_MASK		0x0fff /* VLAN Identifier */
+#define VLAN_N_VID		4096
 
 /* found in socket.c */
 extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
@@ -76,9 +77,8 @@ extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
  * depends on completely exhausting the VLAN identifier space.  Thus
  * it gives constant time look-up, but in many cases it wastes memory.
  */
-#define VLAN_GROUP_ARRAY_LEN          4096
 #define VLAN_GROUP_ARRAY_SPLIT_PARTS  8
-#define VLAN_GROUP_ARRAY_PART_LEN     (VLAN_GROUP_ARRAY_LEN/VLAN_GROUP_ARRAY_SPLIT_PARTS)
+#define VLAN_GROUP_ARRAY_PART_LEN     (VLAN_N_VID/VLAN_GROUP_ARRAY_SPLIT_PARTS)
 
 struct vlan_group {
 	struct net_device	*real_dev; /* The ethernet(like) device

net/8021q/vlan.c

@@ -439,7 +439,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 	switch (event) {
 	case NETDEV_CHANGE:
 		/* Propagate real device state to vlan devices */
-		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+		for (i = 0; i < VLAN_N_VID; i++) {
 			vlandev = vlan_group_get_device(grp, i);
 			if (!vlandev)
 				continue;
@@ -450,7 +450,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 
 	case NETDEV_CHANGEADDR:
 		/* Adjust unicast filters on underlying device */
-		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+		for (i = 0; i < VLAN_N_VID; i++) {
 			vlandev = vlan_group_get_device(grp, i);
 			if (!vlandev)
 				continue;
@@ -464,7 +464,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 		break;
 
 	case NETDEV_CHANGEMTU:
-		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+		for (i = 0; i < VLAN_N_VID; i++) {
 			vlandev = vlan_group_get_device(grp, i);
 			if (!vlandev)
 				continue;
@@ -478,7 +478,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 
 	case NETDEV_FEAT_CHANGE:
 		/* Propagate device features to underlying device */
-		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+		for (i = 0; i < VLAN_N_VID; i++) {
 			vlandev = vlan_group_get_device(grp, i);
 			if (!vlandev)
 				continue;
@@ -490,7 +490,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 
 	case NETDEV_DOWN:
 		/* Put all VLANs for this dev in the down state too.  */
-		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+		for (i = 0; i < VLAN_N_VID; i++) {
 			vlandev = vlan_group_get_device(grp, i);
 			if (!vlandev)
 				continue;
@@ -508,7 +508,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 
 	case NETDEV_UP:
 		/* Put all VLANs for this dev in the up state too.  */
-		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+		for (i = 0; i < VLAN_N_VID; i++) {
 			vlandev = vlan_group_get_device(grp, i);
 			if (!vlandev)
 				continue;
@@ -532,7 +532,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 		/* Delete all VLANs for this dev. */
 		grp->killall = 1;
 
-		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+		for (i = 0; i < VLAN_N_VID; i++) {
 			vlandev = vlan_group_get_device(grp, i);
 			if (!vlandev)
 				continue;
@@ -540,7 +540,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 			/* unregistration of last vlan destroys group, abort
 			 * afterwards */
 			if (grp->nr_vlans == 1)
-				i = VLAN_GROUP_ARRAY_LEN;
+				i = VLAN_N_VID;
 
 			unregister_vlan_dev(vlandev, &list);
 		}

net/bridge/netfilter/ebt_vlan.c

@@ -118,10 +118,10 @@ static int ebt_vlan_mt_check(const struct xt_mtchk_param *par)
 	 * 0 - The null VLAN ID.
 	 * 1 - The default Port VID (PVID)
 	 * 0x0FFF - Reserved for implementation use.
-	 * if_vlan.h: VLAN_GROUP_ARRAY_LEN 4096. */
+	 * if_vlan.h: VLAN_N_VID 4096. */
 	if (GET_BITMASK(EBT_VLAN_ID)) {
 		if (!!info->id) { /* if id!=0 => check vid range */
-			if (info->id > VLAN_GROUP_ARRAY_LEN) {
+			if (info->id > VLAN_N_VID) {
 				pr_debug("id %d is out of range (1-4096)\n",
 					 info->id);
 				return -EINVAL;