Signed-off-by: Or Gerlitz <[EMAIL PROTECTED]>
Index: net-2.6.19/drivers/net/bonding/bond_main.c
===================================================================
--- net-2.6.19.orig/drivers/net/bonding/bond_main.c 2006-09-25
11:43:52.000000000 +0300
+++ net-2.6.19/drivers/net/bonding/bond_main.c 2006-09-25 11:46:35.000000000
+0300
@@ -1115,7 +1115,14 @@ void bond_change_active_slave(struct bon
*/
if (new_active && new_active->dev->type != ARPHRD_ETHER)
bond_setup_by_slave(bond, new_active);
-
+
+ /* when bonding does not set the slave MAC address, the bond MAC
+ * address is the one of the active slave.
+ */
+ if (new_active && !bond->do_set_mac_addr)
+ memcpy(bond->dev->dev_addr, new_active->dev->dev_addr,
+ new_active->dev->addr_len);
+
bond_send_gratuitous_arp(bond);
}
}
@@ -1335,14 +1342,23 @@ int bond_enslave(struct net_device *bond
}
if (slave_dev->set_mac_address == NULL) {
- printk(KERN_ERR DRV_NAME
- ": %s: Error: The slave device you specified does "
- "not support setting the MAC address. "
- "Your kernel likely does not support slave "
- "devices.\n", bond_dev->name);
- res = -EOPNOTSUPP;
- goto err_undo_flags;
- }
+ if (bond->slave_cnt == 0) {
+ printk(KERN_WARNING DRV_NAME
+ ": %s: Warning: The first slave device you "
+ "specified does not support setting the MAC "
+ "address. This bond MAC address would be that "
+ "of the active slave.\n", bond_dev->name);
+ bond->do_set_mac_addr = 0;
+ } else if (bond->do_set_mac_addr) {
+ printk(KERN_ERR DRV_NAME
+ ": %s: Error: The slave device you specified "
+ "does not support setting the MAC addres,."
+ "but this bond uses this practice. \n"
+ , bond_dev->name);
+ res = -EOPNOTSUPP;
+ goto err_undo_flags;
+ }
+ }
new_slave = kmalloc(sizeof(struct slave), GFP_KERNEL);
if (!new_slave) {
@@ -1364,16 +1380,18 @@ int bond_enslave(struct net_device *bond
*/
memcpy(new_slave->perm_hwaddr, slave_dev->dev_addr, ETH_ALEN);
- /*
- * Set slave to master's mac address. The application already
- * set the master's mac address to that of the first slave
- */
- memcpy(addr.sa_data, bond_dev->dev_addr, bond_dev->addr_len);
- addr.sa_family = slave_dev->type;
- res = dev_set_mac_address(slave_dev, &addr);
- if (res) {
- dprintk("Error %d calling set_mac_address\n", res);
- goto err_free;
+ if (bond->do_set_mac_addr) {
+ /*
+ * Set slave to master's mac address. The application already
+ * set the master's mac address to that of the first slave
+ */
+ memcpy(addr.sa_data, bond_dev->dev_addr, bond_dev->addr_len);
+ addr.sa_family = slave_dev->type;
+ res = dev_set_mac_address(slave_dev, &addr);
+ if (res) {
+ dprintk("Error %d calling set_mac_address\n", res);
+ goto err_free;
+ }
}
/* open the slave since the application closed it */
@@ -1617,9 +1635,11 @@ err_close:
dev_close(slave_dev);
err_restore_mac:
- memcpy(addr.sa_data, new_slave->perm_hwaddr, ETH_ALEN);
- addr.sa_family = slave_dev->type;
- dev_set_mac_address(slave_dev, &addr);
+ if (bond->do_set_mac_addr) {
+ memcpy(addr.sa_data, new_slave->perm_hwaddr, ETH_ALEN);
+ addr.sa_family = slave_dev->type;
+ dev_set_mac_address(slave_dev, &addr);
+ }
err_free:
kfree(new_slave);
@@ -1797,10 +1817,12 @@ int bond_release(struct net_device *bond
/* close slave before restoring its mac address */
dev_close(slave_dev);
- /* restore original ("permanent") mac address */
- memcpy(addr.sa_data, slave->perm_hwaddr, ETH_ALEN);
- addr.sa_family = slave_dev->type;
- dev_set_mac_address(slave_dev, &addr);
+ if (bond->do_set_mac_addr) {
+ /* restore original ("permanent") mac address */
+ memcpy(addr.sa_data, slave->perm_hwaddr, ETH_ALEN);
+ addr.sa_family = slave_dev->type;
+ dev_set_mac_address(slave_dev, &addr);
+ }
slave_dev->priv_flags &= ~(IFF_MASTER_8023AD | IFF_MASTER_ALB |
IFF_SLAVE_INACTIVE);
@@ -1886,10 +1908,12 @@ static int bond_release_all(struct net_d
/* close slave before restoring its mac address */
dev_close(slave_dev);
- /* restore original ("permanent") mac address*/
- memcpy(addr.sa_data, slave->perm_hwaddr, ETH_ALEN);
- addr.sa_family = slave_dev->type;
- dev_set_mac_address(slave_dev, &addr);
+ if (bond->do_set_mac_addr) {
+ /* restore original ("permanent") mac address*/
+ memcpy(addr.sa_data, slave->perm_hwaddr, ETH_ALEN);
+ addr.sa_family = slave_dev->type;
+ dev_set_mac_address(slave_dev, &addr);
+ }
slave_dev->priv_flags &= ~(IFF_MASTER_8023AD | IFF_MASTER_ALB |
IFF_SLAVE_INACTIVE);
@@ -3793,6 +3817,10 @@ static int bond_set_mac_address(struct n
dprintk("bond=%p, name=%s\n", bond, (bond_dev ? bond_dev->name :
"None"));
+ if (!bond->do_set_mac_addr) {
+ return -EOPNOTSUPP;
+ }
+
if (!is_valid_ether_addr(sa->sa_data)) {
return -EADDRNOTAVAIL;
}
@@ -4233,6 +4261,9 @@ static int bond_init(struct net_device *
bond_create_proc_entry(bond);
#endif
+ /* set do_set_mac_addr to true on startup */
+ bond->do_set_mac_addr = 1;
+
list_add_tail(&bond->bond_list, &bond_dev_list);
return 0;
Index: net-2.6.19/drivers/net/bonding/bonding.h
===================================================================
--- net-2.6.19.orig/drivers/net/bonding/bonding.h 2006-09-25
11:42:28.000000000 +0300
+++ net-2.6.19/drivers/net/bonding/bonding.h 2006-09-25 11:46:35.000000000
+0300
@@ -198,6 +198,7 @@ struct bonding {
struct bond_params params;
struct list_head vlan_list;
struct vlan_group *vlgrp;
+ s8 do_set_mac_addr;
};
/**
-
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