Signed-off-by: Or Gerlitz <[EMAIL PROTECTED]> Index: net-2.6.20/drivers/net/bonding/bond_main.c =================================================================== --- net-2.6.20.orig/drivers/net/bonding/bond_main.c 2006-11-30 11:53:06.000000000 +0200 +++ net-2.6.20/drivers/net/bonding/bond_main.c 2006-11-30 11:53:16.000000000 +0200 @@ -1103,6 +1103,14 @@ void bond_change_active_slave(struct bon if (new_active) { bond_set_slave_active_flags(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); } } @@ -1363,14 +1371,23 @@ 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) { @@ -1392,16 +1409,18 @@ 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 */ @@ -1627,9 +1646,11 @@ 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); @@ -1807,10 +1828,12 @@ 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 | IFF_BONDING | @@ -1897,10 +1920,12 @@ 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); @@ -3932,6 +3957,10 @@ 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; } @@ -4373,6 +4402,9 @@ 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; - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html