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authorEric Kinzie <ekinzie@cmf.nrl.navy.mil>2005-10-06 22:19:28 -0700
committerDavid S. Miller <davem@davemloft.net>2005-10-06 22:19:28 -0700
commit0f21ba7cc3320d33459ecb3f538f1a42040c29cd (patch)
tree158b360de6547262d99f4861ac166709a7e17172 /net/atm/addr.c
parent20c9c825b12fcb8526a29cf20a17a5a3fc581726 (diff)
downloadlinux-stericsson-0f21ba7cc3320d33459ecb3f538f1a42040c29cd.tar.gz
[ATM]: add support for LECS addresses learned from network
From: Eric Kinzie <ekinzie@cmf.nrl.navy.mil> Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/atm/addr.c')
-rw-r--r--net/atm/addr.c51
1 files changed, 38 insertions, 13 deletions
diff --git a/net/atm/addr.c b/net/atm/addr.c
index a30d0bf48063..3060fd0ba4b9 100644
--- a/net/atm/addr.c
+++ b/net/atm/addr.c
@@ -44,31 +44,43 @@ static void notify_sigd(struct atm_dev *dev)
sigd_enq(NULL, as_itf_notify, NULL, &pvc, NULL);
}
-void atm_reset_addr(struct atm_dev *dev)
+void atm_reset_addr(struct atm_dev *dev, enum atm_addr_type_t atype)
{
unsigned long flags;
struct atm_dev_addr *this, *p;
+ struct list_head *head;
spin_lock_irqsave(&dev->lock, flags);
- list_for_each_entry_safe(this, p, &dev->local, entry) {
+ if (atype == ATM_ADDR_LECS)
+ head = &dev->lecs;
+ else
+ head = &dev->local;
+ list_for_each_entry_safe(this, p, head, entry) {
list_del(&this->entry);
kfree(this);
}
spin_unlock_irqrestore(&dev->lock, flags);
- notify_sigd(dev);
+ if (head == &dev->local)
+ notify_sigd(dev);
}
-int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr)
+int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
+ enum atm_addr_type_t atype)
{
unsigned long flags;
struct atm_dev_addr *this;
+ struct list_head *head;
int error;
error = check_addr(addr);
if (error)
return error;
spin_lock_irqsave(&dev->lock, flags);
- list_for_each_entry(this, &dev->local, entry) {
+ if (atype == ATM_ADDR_LECS)
+ head = &dev->lecs;
+ else
+ head = &dev->local;
+ list_for_each_entry(this, head, entry) {
if (identical(&this->addr, addr)) {
spin_unlock_irqrestore(&dev->lock, flags);
return -EEXIST;
@@ -80,28 +92,36 @@ int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr)
return -ENOMEM;
}
this->addr = *addr;
- list_add(&this->entry, &dev->local);
+ list_add(&this->entry, head);
spin_unlock_irqrestore(&dev->lock, flags);
- notify_sigd(dev);
+ if (head == &dev->local)
+ notify_sigd(dev);
return 0;
}
-int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr)
+int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
+ enum atm_addr_type_t atype)
{
unsigned long flags;
struct atm_dev_addr *this;
+ struct list_head *head;
int error;
error = check_addr(addr);
if (error)
return error;
spin_lock_irqsave(&dev->lock, flags);
- list_for_each_entry(this, &dev->local, entry) {
+ if (atype == ATM_ADDR_LECS)
+ head = &dev->lecs;
+ else
+ head = &dev->local;
+ list_for_each_entry(this, head, entry) {
if (identical(&this->addr, addr)) {
list_del(&this->entry);
spin_unlock_irqrestore(&dev->lock, flags);
kfree(this);
- notify_sigd(dev);
+ if (head == &dev->local)
+ notify_sigd(dev);
return 0;
}
}
@@ -110,22 +130,27 @@ int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr)
}
int atm_get_addr(struct atm_dev *dev, struct sockaddr_atmsvc __user * buf,
- size_t size)
+ size_t size, enum atm_addr_type_t atype)
{
unsigned long flags;
struct atm_dev_addr *this;
+ struct list_head *head;
int total = 0, error;
struct sockaddr_atmsvc *tmp_buf, *tmp_bufp;
spin_lock_irqsave(&dev->lock, flags);
- list_for_each_entry(this, &dev->local, entry)
+ if (atype == ATM_ADDR_LECS)
+ head = &dev->lecs;
+ else
+ head = &dev->local;
+ list_for_each_entry(this, head, entry)
total += sizeof(struct sockaddr_atmsvc);
tmp_buf = tmp_bufp = kmalloc(total, GFP_ATOMIC);
if (!tmp_buf) {
spin_unlock_irqrestore(&dev->lock, flags);
return -ENOMEM;
}
- list_for_each_entry(this, &dev->local, entry)
+ list_for_each_entry(this, head, entry)
memcpy(tmp_bufp++, &this->addr, sizeof(struct sockaddr_atmsvc));
spin_unlock_irqrestore(&dev->lock, flags);
error = total > size ? -E2BIG : total;