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bonding: remove usage of dev->master 

Benefit from new upper dev list and free bonding from dev->master usage.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2013-01-03 22:49:01 +00:00 committed by David S. Miller
parent 7f6e7101df
commit 471cb5a33d
5 changed files with 81 additions and 64 deletions
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30
drivers/net/bonding/bond_3ad.c
View File

@ -1127,7 +1127,7 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port)
// INFO_RECEIVED_LOOPBACK_FRAMES
pr_err("%s: An illegal loopback occurred on adapter (%s).\n"
"Check the configuration to verify that all adapters are connected to 802.3ad compliant switch ports\n",
port->slave->dev->master->name, port->slave->dev->name);
port->slave->bond->dev->name, port->slave->dev->name);
return;
}
__update_selected(lacpdu, port);
@ -1306,7 +1306,7 @@ static void ad_port_selection_logic(struct port *port)
}
if (!curr_port) { // meaning: the port was related to an aggregator but was not on the aggregator port list
pr_warning("%s: Warning: Port %d (on %s) was related to aggregator %d but was not on its port list\n",
port->slave->dev->master->name,
port->slave->bond->dev->name,
port->actor_port_number,
port->slave->dev->name,
port->aggregator->aggregator_identifier);
@ -1386,7 +1386,7 @@ static void ad_port_selection_logic(struct port *port)
port->aggregator->aggregator_identifier);
} else {
pr_err("%s: Port %d (on %s) did not find a suitable aggregator\n",
port->slave->dev->master->name,
port->slave->bond->dev->name,
port->actor_port_number, port->slave->dev->name);
}
}
@ -1463,7 +1463,7 @@ static struct aggregator *ad_agg_selection_test(struct aggregator *best,
default:
pr_warning("%s: Impossible agg select mode %d\n",
curr->slave->dev->master->name,
curr->slave->bond->dev->name,
__get_agg_selection_mode(curr->lag_ports));
break;
}
@ -1571,7 +1571,7 @@ static void ad_agg_selection_logic(struct aggregator *agg)
// check if any partner replys
if (best->is_individual) {
pr_warning("%s: Warning: No 802.3ad response from the link partner for any adapters in the bond\n",
best->slave ? best->slave->dev->master->name : "NULL");
best->slave ? best->slave->bond->dev->name : "NULL");
}
best->is_active = 1;
@ -1898,7 +1898,7 @@ int bond_3ad_bind_slave(struct slave *slave)
if (bond == NULL) {
pr_err("%s: The slave %s is not attached to its bond\n",
slave->dev->master->name, slave->dev->name);
slave->bond->dev->name, slave->dev->name);
return -1;
}
@ -1973,7 +1973,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
// if slave is null, the whole port is not initialized
if (!port->slave) {
pr_warning("Warning: %s: Trying to unbind an uninitialized port on %s\n",
slave->dev->master->name, slave->dev->name);
slave->bond->dev->name, slave->dev->name);
return;
}
@ -2009,7 +2009,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
if ((new_aggregator->lag_ports == port) && new_aggregator->is_active) {
pr_info("%s: Removing an active aggregator\n",
aggregator->slave->dev->master->name);
aggregator->slave->bond->dev->name);
// select new active aggregator
select_new_active_agg = 1;
}
@ -2040,7 +2040,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
ad_agg_selection_logic(__get_first_agg(port));
} else {
pr_warning("%s: Warning: unbinding aggregator, and could not find a new aggregator for its ports\n",
slave->dev->master->name);
slave->bond->dev->name);
}
} else { // in case that the only port related to this aggregator is the one we want to remove
select_new_active_agg = aggregator->is_active;
@ -2048,7 +2048,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
ad_clear_agg(aggregator);
if (select_new_active_agg) {
pr_info("%s: Removing an active aggregator\n",
slave->dev->master->name);
slave->bond->dev->name);
// select new active aggregator
ad_agg_selection_logic(__get_first_agg(port));
}
@ -2076,7 +2076,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
ad_clear_agg(temp_aggregator);
if (select_new_active_agg) {
pr_info("%s: Removing an active aggregator\n",
slave->dev->master->name);
slave->bond->dev->name);
// select new active aggregator
ad_agg_selection_logic(__get_first_agg(port));
}
@ -2184,7 +2184,7 @@ static int bond_3ad_rx_indication(struct lacpdu *lacpdu, struct slave *slave, u1
if (!port->slave) {
pr_warning("%s: Warning: port of slave %s is uninitialized\n",
slave->dev->name, slave->dev->master->name);
slave->dev->name, slave->bond->dev->name);
return ret;
}
@ -2240,7 +2240,7 @@ void bond_3ad_adapter_speed_changed(struct slave *slave)
// if slave is null, the whole port is not initialized
if (!port->slave) {
pr_warning("Warning: %s: speed changed for uninitialized port on %s\n",
slave->dev->master->name, slave->dev->name);
slave->bond->dev->name, slave->dev->name);
return;
}
@ -2268,7 +2268,7 @@ void bond_3ad_adapter_duplex_changed(struct slave *slave)
// if slave is null, the whole port is not initialized
if (!port->slave) {
pr_warning("%s: Warning: duplex changed for uninitialized port on %s\n",
slave->dev->master->name, slave->dev->name);
slave->bond->dev->name, slave->dev->name);
return;
}
@ -2297,7 +2297,7 @@ void bond_3ad_handle_link_change(struct slave *slave, char link)
// if slave is null, the whole port is not initialized
if (!port->slave) {
pr_warning("Warning: %s: link status changed for uninitialized port on %s\n",
slave->dev->master->name, slave->dev->name);
slave->bond->dev->name, slave->dev->name);
return;
}

6
drivers/net/bonding/bond_alb.c
View File

@ -507,7 +507,7 @@ static void rlb_update_client(struct rlb_client_info *client_info)
client_info->mac_dst);
if (!skb) {
pr_err("%s: Error: failed to create an ARP packet\n",
client_info->slave->dev->master->name);
client_info->slave->bond->dev->name);
continue;
}
@ -517,7 +517,7 @@ static void rlb_update_client(struct rlb_client_info *client_info)
skb = vlan_put_tag(skb, client_info->vlan_id);
if (!skb) {
pr_err("%s: Error: failed to insert VLAN tag\n",
client_info->slave->dev->master->name);
client_info->slave->bond->dev->name);
continue;
}
}
@ -1043,7 +1043,7 @@ static int alb_set_slave_mac_addr(struct slave *slave, u8 addr[])
if (dev_set_mac_address(dev, &s_addr)) {
pr_err("%s: Error: dev_set_mac_address of dev %s failed!\n"
"ALB mode requires that the base driver support setting the hw address also when the network device's interface is open\n",
dev->master->name, dev->name);
slave->bond->dev->name, dev->name);
return -EOPNOTSUPP;
}
return 0;

94
drivers/net/bonding/bond_main.c
View File

@ -746,11 +746,9 @@ static void __bond_resend_igmp_join_requests(struct net_device *dev)
{
struct in_device *in_dev;
rcu_read_lock();
in_dev = __in_dev_get_rcu(dev);
if (in_dev)
ip_mc_rejoin_groups(in_dev);
rcu_read_unlock();
}
/*
@ -760,9 +758,10 @@ static void __bond_resend_igmp_join_requests(struct net_device *dev)
*/
static void bond_resend_igmp_join_requests(struct bonding *bond)
{
struct net_device *bond_dev, *vlan_dev, *master_dev;
struct net_device *bond_dev, *vlan_dev, *upper_dev;
struct vlan_entry *vlan;
rcu_read_lock();
read_lock(&bond->lock);
bond_dev = bond->dev;
@ -774,18 +773,14 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
* if bond is enslaved to a bridge,
* then rejoin all groups on its master
*/
master_dev = bond_dev->master;
if (master_dev)
if ((master_dev->priv_flags & IFF_EBRIDGE)
&& (bond_dev->priv_flags & IFF_BRIDGE_PORT))
__bond_resend_igmp_join_requests(master_dev);
upper_dev = netdev_master_upper_dev_get_rcu(bond_dev);
if (upper_dev && upper_dev->priv_flags & IFF_EBRIDGE)
__bond_resend_igmp_join_requests(upper_dev);
/* rejoin all groups on vlan devices */
list_for_each_entry(vlan, &bond->vlan_list, vlan_list) {
rcu_read_lock();
vlan_dev = __vlan_find_dev_deep(bond_dev,
vlan->vlan_id);
rcu_read_unlock();
if (vlan_dev)
__bond_resend_igmp_join_requests(vlan_dev);
}
@ -794,13 +789,16 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
queue_delayed_work(bond->wq, &bond->mcast_work, HZ/5);
read_unlock(&bond->lock);
rcu_read_unlock();
}
static void bond_resend_igmp_join_requests_delayed(struct work_struct *work)
{
struct bonding *bond = container_of(work, struct bonding,
mcast_work.work);
rcu_read_lock();
bond_resend_igmp_join_requests(bond);
rcu_read_unlock();
}
/*
@ -1493,6 +1491,27 @@ static rx_handler_result_t bond_handle_frame(struct sk_buff **pskb)
return ret;
}
static int bond_master_upper_dev_link(struct net_device *bond_dev,
struct net_device *slave_dev)
{
int err;
err = netdev_master_upper_dev_link(slave_dev, bond_dev);
if (err)
return err;
slave_dev->flags |= IFF_SLAVE;
rtmsg_ifinfo(RTM_NEWLINK, slave_dev, IFF_SLAVE);
return 0;
}
static void bond_upper_dev_unlink(struct net_device *bond_dev,
struct net_device *slave_dev)
{
netdev_upper_dev_unlink(slave_dev, bond_dev);
slave_dev->flags &= ~IFF_SLAVE;
rtmsg_ifinfo(RTM_NEWLINK, slave_dev, IFF_SLAVE);
}
/* enslave device <slave> to bond device <master> */
int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
{
@ -1655,9 +1674,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
}
}
res = netdev_set_bond_master(slave_dev, bond_dev);
res = bond_master_upper_dev_link(bond_dev, slave_dev);
if (res) {
pr_debug("Error %d calling netdev_set_bond_master\n", res);
pr_debug("Error %d calling bond_master_upper_dev_link\n", res);
goto err_restore_mac;
}
@ -1891,7 +1910,7 @@ err_close:
dev_close(slave_dev);
err_unset_master:
netdev_set_bond_master(slave_dev, NULL);
bond_upper_dev_unlink(bond_dev, slave_dev);
err_restore_mac:
if (!bond->params.fail_over_mac) {
@ -1936,7 +1955,7 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
/* slave is not a slave or master is not master of this slave */
if (!(slave_dev->flags & IFF_SLAVE) ||
(slave_dev->master != bond_dev)) {
!netdev_has_upper_dev(slave_dev, bond_dev)) {
pr_err("%s: Error: cannot release %s.\n",
bond_dev->name, slave_dev->name);
return -EINVAL;
@ -2080,7 +2099,7 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
netif_addr_unlock_bh(bond_dev);
}
netdev_set_bond_master(slave_dev, NULL);
bond_upper_dev_unlink(bond_dev, slave_dev);
slave_disable_netpoll(slave);
@ -2195,7 +2214,7 @@ static int bond_release_all(struct net_device *bond_dev)
netif_addr_unlock_bh(bond_dev);
}
netdev_set_bond_master(slave_dev, NULL);
bond_upper_dev_unlink(bond_dev, slave_dev);
slave_disable_netpoll(slave);
@ -2259,8 +2278,9 @@ static int bond_ioctl_change_active(struct net_device *bond_dev, struct net_devi
if (!USES_PRIMARY(bond->params.mode))
return -EINVAL;
/* Verify that master_dev is indeed the master of slave_dev */
if (!(slave_dev->flags & IFF_SLAVE) || (slave_dev->master != bond_dev))
/* Verify that bond_dev is indeed the master of slave_dev */
if (!(slave_dev->flags & IFF_SLAVE) ||
!netdev_has_upper_dev(slave_dev, bond_dev))
return -EINVAL;
read_lock(&bond->lock);
@ -3258,36 +3278,32 @@ static int bond_master_netdev_event(unsigned long event,
static int bond_slave_netdev_event(unsigned long event,
struct net_device *slave_dev)
{
struct net_device *bond_dev = slave_dev->master;
struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave = NULL;
struct slave *slave = bond_slave_get_rtnl(slave_dev);
struct bonding *bond = slave->bond;
struct net_device *bond_dev = slave->bond->dev;
u32 old_speed;
u8 old_duplex;
switch (event) {
case NETDEV_UNREGISTER:
if (bond_dev) {
if (bond->setup_by_slave)
bond_release_and_destroy(bond_dev, slave_dev);
else
bond_release(bond_dev, slave_dev);
}
if (bond->setup_by_slave)
bond_release_and_destroy(bond_dev, slave_dev);
else
bond_release(bond_dev, slave_dev);
break;
case NETDEV_UP:
case NETDEV_CHANGE:
slave = bond_get_slave_by_dev(bond, slave_dev);
if (slave) {
u32 old_speed = slave->speed;
u8 old_duplex = slave->duplex;
old_speed = slave->speed;
old_duplex = slave->duplex;
bond_update_speed_duplex(slave);
bond_update_speed_duplex(slave);
if (bond->params.mode == BOND_MODE_8023AD) {
if (old_speed != slave->speed)
bond_3ad_adapter_speed_changed(slave);
if (old_duplex != slave->duplex)
bond_3ad_adapter_duplex_changed(slave);
}
if (bond->params.mode == BOND_MODE_8023AD) {
if (old_speed != slave->speed)
bond_3ad_adapter_speed_changed(slave);
if (old_duplex != slave->duplex)
bond_3ad_adapter_duplex_changed(slave);
}
break;
case NETDEV_DOWN:
/*

14
drivers/net/bonding/bonding.h
View File

@ -258,6 +258,9 @@ static inline bool bond_vlan_used(struct bonding *bond)
#define bond_slave_get_rcu(dev) \
((struct slave *) rcu_dereference(dev->rx_handler_data))
#define bond_slave_get_rtnl(dev) \
((struct slave *) rtnl_dereference(dev->rx_handler_data))
/**
* Returns NULL if the net_device does not belong to any of the bond's slaves
*
@ -280,11 +283,9 @@ static inline struct slave *bond_get_slave_by_dev(struct bonding *bond,
static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
{
if (!slave || !slave->dev->master) {
if (!slave || !slave->bond)
return NULL;
}
return netdev_priv(slave->dev->master);
return slave->bond;
}
static inline bool bond_is_lb(const struct bonding *bond)
@ -360,10 +361,9 @@ static inline void bond_netpoll_send_skb(const struct slave *slave,
static inline void bond_set_slave_inactive_flags(struct slave *slave)
{
struct bonding *bond = netdev_priv(slave->dev->master);
if (!bond_is_lb(bond))
if (!bond_is_lb(slave->bond))
bond_set_backup_slave(slave);
if (!bond->params.all_slaves_active)
if (!slave->bond->params.all_slaves_active)
slave->inactive = 1;
}

1
net/core/rtnetlink.c
View File

@ -1987,6 +1987,7 @@ errout:
if (err < 0)
rtnl_set_sk_err(net, RTNLGRP_LINK, err);
}
EXPORT_SYMBOL(rtmsg_ifinfo);
static int nlmsg_populate_fdb_fill(struct sk_buff *skb,
struct net_device *dev,