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bonding: remove vlan_list/current_alb_vlan

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Currently there are no real users of vlan_list/current_alb_vlan, only the
helpers which maintain them, so remove them.

CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Veaceslav Falico 2013-08-28 23:25:15 +02:00 committed by David S. Miller
parent 5bf94b839a
commit e868b0c938
4 changed files with 2 additions and 143 deletions
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5
drivers/net/bonding/bond_alb.c
View file

@ -1763,11 +1763,6 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr)
void bond_alb_clear_vlan(struct bonding *bond, unsigned short vlan_id)
{
if (bond->alb_info.current_alb_vlan &&
(bond->alb_info.current_alb_vlan->vlan_id == vlan_id)) {
bond->alb_info.current_alb_vlan = NULL;
}
if (bond->alb_info.rlb_enabled) {
rlb_clear_vlan(bond, vlan_id);
}

1
drivers/net/bonding/bond_alb.h
View file

@ -169,7 +169,6 @@ struct alb_bond_info {
* rx traffic should be
* rebalanced
*/
struct vlan_entry *current_alb_vlan;
};
int bond_alb_initialize(struct bonding *bond, int rlb_enabled);

133
drivers/net/bonding/bond_main.c
View file

@ -282,116 +282,6 @@ const char *bond_mode_name(int mode)
/*---------------------------------- VLAN -----------------------------------*/
/**
* bond_add_vlan - add a new vlan id on bond
* @bond: bond that got the notification
* @vlan_id: the vlan id to add
*
* Returns -ENOMEM if allocation failed.
*/
static int bond_add_vlan(struct bonding *bond, unsigned short vlan_id)
{
struct vlan_entry *vlan;
pr_debug("bond: %s, vlan id %d\n",
(bond ? bond->dev->name : "None"), vlan_id);
vlan = kzalloc(sizeof(struct vlan_entry), GFP_KERNEL);
if (!vlan)
return -ENOMEM;
INIT_LIST_HEAD(&vlan->vlan_list);
vlan->vlan_id = vlan_id;
write_lock_bh(&bond->lock);
list_add_tail(&vlan->vlan_list, &bond->vlan_list);
write_unlock_bh(&bond->lock);
pr_debug("added VLAN ID %d on bond %s\n", vlan_id, bond->dev->name);
return 0;
}
/**
* bond_del_vlan - delete a vlan id from bond
* @bond: bond that got the notification
* @vlan_id: the vlan id to delete
*
* returns -ENODEV if @vlan_id was not found in @bond.
*/
static int bond_del_vlan(struct bonding *bond, unsigned short vlan_id)
{
struct vlan_entry *vlan;
int res = -ENODEV;
pr_debug("bond: %s, vlan id %d\n", bond->dev->name, vlan_id);
block_netpoll_tx();
write_lock_bh(&bond->lock);
list_for_each_entry(vlan, &bond->vlan_list, vlan_list) {
if (vlan->vlan_id == vlan_id) {
list_del(&vlan->vlan_list);
if (bond_is_lb(bond))
bond_alb_clear_vlan(bond, vlan_id);
pr_debug("removed VLAN ID %d from bond %s\n",
vlan_id, bond->dev->name);
kfree(vlan);
res = 0;
goto out;
}
}
pr_debug("couldn't find VLAN ID %d in bond %s\n",
vlan_id, bond->dev->name);
out:
write_unlock_bh(&bond->lock);
unblock_netpoll_tx();
return res;
}
/**
* bond_next_vlan - safely skip to the next item in the vlans list.
* @bond: the bond we're working on
* @curr: item we're advancing from
*
* Returns %NULL if list is empty, bond->next_vlan if @curr is %NULL,
* or @curr->next otherwise (even if it is @curr itself again).
*
* Caller must hold bond->lock
*/
struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr)
{
struct vlan_entry *next, *last;
if (list_empty(&bond->vlan_list))
return NULL;
if (!curr) {
next = list_entry(bond->vlan_list.next,
struct vlan_entry, vlan_list);
} else {
last = list_entry(bond->vlan_list.prev,
struct vlan_entry, vlan_list);
if (last == curr) {
next = list_entry(bond->vlan_list.next,
struct vlan_entry, vlan_list);
} else {
next = list_entry(curr->vlan_list.next,
struct vlan_entry, vlan_list);
}
}
return next;
}
/**
* bond_dev_queue_xmit - Prepare skb for xmit.
*
@ -451,13 +341,6 @@ static int bond_vlan_rx_add_vid(struct net_device *bond_dev,
goto unwind;
}
res = bond_add_vlan(bond, vid);
if (res) {
pr_err("%s: Error: Failed to add vlan id %d\n",
bond_dev->name, vid);
goto unwind;
}
return 0;
unwind:
@ -478,17 +361,12 @@ static int bond_vlan_rx_kill_vid(struct net_device *bond_dev,
{
struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave;
int res;
bond_for_each_slave(bond, slave)
vlan_vid_del(slave->dev, proto, vid);
res = bond_del_vlan(bond, vid);
if (res) {
pr_err("%s: Error: Failed to remove vlan id %d\n",
bond_dev->name, vid);
return res;
}
if (bond_is_lb(bond))
bond_alb_clear_vlan(bond, vid);
return 0;
}
@ -4143,7 +4021,6 @@ static void bond_setup(struct net_device *bond_dev)
/* Initialize pointers */
bond->dev = bond_dev;
INIT_LIST_HEAD(&bond->vlan_list);
/* Initialize the device entry points */
ether_setup(bond_dev);
@ -4196,7 +4073,6 @@ static void bond_uninit(struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave, *tmp_slave;
struct vlan_entry *vlan, *tmp;
bond_netpoll_cleanup(bond_dev);
@ -4208,11 +4084,6 @@ static void bond_uninit(struct net_device *bond_dev)
list_del(&bond->bond_list);
bond_debug_unregister(bond);
list_for_each_entry_safe(vlan, tmp, &bond->vlan_list, vlan_list) {
list_del(&vlan->vlan_list);
kfree(vlan);
}
}
/*------------------------- Module initialization ---------------------------*/

6
drivers/net/bonding/bonding.h
View file

@ -185,11 +185,6 @@ struct bond_parm_tbl {
#define BOND_MAX_MODENAME_LEN 20
struct vlan_entry {
struct list_head vlan_list;
unsigned short vlan_id;
};
struct slave {
struct net_device *dev; /* first - useful for panic debug */
struct list_head list;
@ -254,7 +249,6 @@ struct bonding {
struct ad_bond_info ad_info;
struct alb_bond_info alb_info;
struct bond_params params;
struct list_head vlan_list;
struct workqueue_struct *wq;
struct delayed_work mii_work;
struct delayed_work arp_work;