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path: root/drivers/net/bonding/bond_main.c
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Diffstat (limited to 'drivers/net/bonding/bond_main.c')
-rw-r--r--drivers/net/bonding/bond_main.c90
1 files changed, 50 insertions, 40 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b7b113018853..06efdf6a762b 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -159,7 +159,7 @@ module_param(min_links, int, 0);
MODULE_PARM_DESC(min_links, "Minimum number of available links before turning on carrier");
module_param(xmit_hash_policy, charp, 0);
-MODULE_PARM_DESC(xmit_hash_policy, "balance-xor and 802.3ad hashing method; "
+MODULE_PARM_DESC(xmit_hash_policy, "balance-alb, balance-tlb, balance-xor, 802.3ad hashing method; "
"0 for layer 2 (default), 1 for layer 3+4, "
"2 for layer 2+3, 3 for encap layer 2+3, "
"4 for encap layer 3+4");
@@ -247,7 +247,7 @@ void bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb,
BUILD_BUG_ON(sizeof(skb->queue_mapping) !=
sizeof(qdisc_skb_cb(skb)->slave_dev_queue_mapping));
- skb->queue_mapping = qdisc_skb_cb(skb)->slave_dev_queue_mapping;
+ skb_set_queue_mapping(skb, qdisc_skb_cb(skb)->slave_dev_queue_mapping);
if (unlikely(netpoll_tx_running(bond->dev)))
bond_netpoll_send_skb(bond_get_slave_by_dev(bond, slave_dev), skb);
@@ -1660,8 +1660,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
} /* switch(bond_mode) */
#ifdef CONFIG_NET_POLL_CONTROLLER
- slave_dev->npinfo = bond->dev->npinfo;
- if (slave_dev->npinfo) {
+ if (bond->dev->npinfo) {
if (slave_enable_netpoll(new_slave)) {
netdev_info(bond_dev, "master_dev is using netpoll, but new slave device does not support netpoll\n");
res = -EBUSY;
@@ -1736,9 +1735,11 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
unblock_netpoll_tx();
}
- if (bond_mode_uses_xmit_hash(bond))
+ if (bond_mode_can_use_xmit_hash(bond))
bond_update_slave_arr(bond, NULL);
+ bond->nest_level = dev_get_nest_level(bond_dev);
+
netdev_info(bond_dev, "Enslaving %s as %s interface with %s link\n",
slave_dev->name,
bond_is_active_slave(new_slave) ? "an active" : "a backup",
@@ -1869,7 +1870,7 @@ static int __bond_release_one(struct net_device *bond_dev,
if (BOND_MODE(bond) == BOND_MODE_8023AD)
bond_3ad_unbind_slave(slave);
- if (bond_mode_uses_xmit_hash(bond))
+ if (bond_mode_can_use_xmit_hash(bond))
bond_update_slave_arr(bond, slave);
netdev_info(bond_dev, "Releasing %s interface %s\n",
@@ -2136,6 +2137,24 @@ static int bond_miimon_inspect(struct bonding *bond)
return commit;
}
+static void bond_miimon_link_change(struct bonding *bond,
+ struct slave *slave,
+ char link)
+{
+ switch (BOND_MODE(bond)) {
+ case BOND_MODE_8023AD:
+ bond_3ad_handle_link_change(slave, link);
+ break;
+ case BOND_MODE_TLB:
+ case BOND_MODE_ALB:
+ bond_alb_handle_link_change(bond, slave, link);
+ break;
+ case BOND_MODE_XOR:
+ bond_update_slave_arr(bond, NULL);
+ break;
+ }
+}
+
static void bond_miimon_commit(struct bonding *bond)
{
struct list_head *iter;
@@ -2177,16 +2196,7 @@ static void bond_miimon_commit(struct bonding *bond)
slave->speed == SPEED_UNKNOWN ? 0 : slave->speed,
slave->duplex ? "full" : "half");
- /* notify ad that the link status has changed */
- if (BOND_MODE(bond) == BOND_MODE_8023AD)
- bond_3ad_handle_link_change(slave, BOND_LINK_UP);
-
- if (bond_is_lb(bond))
- bond_alb_handle_link_change(bond, slave,
- BOND_LINK_UP);
-
- if (BOND_MODE(bond) == BOND_MODE_XOR)
- bond_update_slave_arr(bond, NULL);
+ bond_miimon_link_change(bond, slave, BOND_LINK_UP);
if (!bond->curr_active_slave || slave == primary)
goto do_failover;
@@ -2208,16 +2218,7 @@ static void bond_miimon_commit(struct bonding *bond)
netdev_info(bond->dev, "link status definitely down for interface %s, disabling it\n",
slave->dev->name);
- if (BOND_MODE(bond) == BOND_MODE_8023AD)
- bond_3ad_handle_link_change(slave,
- BOND_LINK_DOWN);
-
- if (bond_is_lb(bond))
- bond_alb_handle_link_change(bond, slave,
- BOND_LINK_DOWN);
-
- if (BOND_MODE(bond) == BOND_MODE_XOR)
- bond_update_slave_arr(bond, NULL);
+ bond_miimon_link_change(bond, slave, BOND_LINK_DOWN);
if (slave == rcu_access_pointer(bond->curr_active_slave))
goto do_failover;
@@ -3101,7 +3102,7 @@ static int bond_slave_netdev_event(unsigned long event,
* events. If these (miimon/arpmon) parameters are configured
* then array gets refreshed twice and that should be fine!
*/
- if (bond_mode_uses_xmit_hash(bond))
+ if (bond_mode_can_use_xmit_hash(bond))
bond_update_slave_arr(bond, NULL);
break;
case NETDEV_CHANGEMTU:
@@ -3321,7 +3322,7 @@ static int bond_open(struct net_device *bond_dev)
*/
if (bond_alb_initialize(bond, (BOND_MODE(bond) == BOND_MODE_ALB)))
return -ENOMEM;
- if (bond->params.tlb_dynamic_lb)
+ if (bond->params.tlb_dynamic_lb || BOND_MODE(bond) == BOND_MODE_ALB)
queue_delayed_work(bond->wq, &bond->alb_work, 0);
}
@@ -3340,7 +3341,7 @@ static int bond_open(struct net_device *bond_dev)
bond_3ad_initiate_agg_selection(bond, 1);
}
- if (bond_mode_uses_xmit_hash(bond))
+ if (bond_mode_can_use_xmit_hash(bond))
bond_update_slave_arr(bond, NULL);
return 0;
@@ -3806,7 +3807,8 @@ static u32 bond_rr_gen_slave_id(struct bonding *bond)
return slave_id;
}
-static int bond_xmit_roundrobin(struct sk_buff *skb, struct net_device *bond_dev)
+static netdev_tx_t bond_xmit_roundrobin(struct sk_buff *skb,
+ struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
struct iphdr *iph = ip_hdr(skb);
@@ -3842,7 +3844,8 @@ static int bond_xmit_roundrobin(struct sk_buff *skb, struct net_device *bond_dev
/* In active-backup mode, we know that bond->curr_active_slave is always valid if
* the bond has a usable interface.
*/
-static int bond_xmit_activebackup(struct sk_buff *skb, struct net_device *bond_dev)
+static netdev_tx_t bond_xmit_activebackup(struct sk_buff *skb,
+ struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave;
@@ -3891,7 +3894,7 @@ err:
* to determine the slave interface -
* (a) BOND_MODE_8023AD
* (b) BOND_MODE_XOR
- * (c) BOND_MODE_TLB && tlb_dynamic_lb == 0
+ * (c) (BOND_MODE_TLB || BOND_MODE_ALB) && tlb_dynamic_lb == 0
*
* The caller is expected to hold RTNL only and NO other lock!
*/
@@ -3944,6 +3947,11 @@ int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave)
continue;
if (skipslave == slave)
continue;
+
+ netdev_dbg(bond->dev,
+ "Adding slave dev %s to tx hash array[%d]\n",
+ slave->dev->name, new_arr->count);
+
new_arr->arr[new_arr->count++] = slave;
}
@@ -3980,7 +3988,8 @@ out:
* usable slave array is formed in the control path. The xmit function
* just calculates hash and sends the packet out.
*/
-static int bond_3ad_xor_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t bond_3ad_xor_xmit(struct sk_buff *skb,
+ struct net_device *dev)
{
struct bonding *bond = netdev_priv(dev);
struct slave *slave;
@@ -4000,7 +4009,8 @@ static int bond_3ad_xor_xmit(struct sk_buff *skb, struct net_device *dev)
}
/* in broadcast mode, we send everything to all usable interfaces. */
-static int bond_xmit_broadcast(struct sk_buff *skb, struct net_device *bond_dev)
+static netdev_tx_t bond_xmit_broadcast(struct sk_buff *skb,
+ struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave = NULL;
@@ -4037,12 +4047,12 @@ static inline int bond_slave_override(struct bonding *bond,
struct slave *slave = NULL;
struct list_head *iter;
- if (!skb->queue_mapping)
+ if (!skb_rx_queue_recorded(skb))
return 1;
/* Find out if any slaves have the same mapping as this skb. */
bond_for_each_slave_rcu(bond, slave, iter) {
- if (slave->queue_id == skb->queue_mapping) {
+ if (slave->queue_id == skb_get_queue_mapping(skb)) {
if (bond_slave_is_up(slave) &&
slave->link == BOND_LINK_UP) {
bond_dev_queue_xmit(bond, skb, slave->dev);
@@ -4068,7 +4078,7 @@ static u16 bond_select_queue(struct net_device *dev, struct sk_buff *skb,
u16 txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0;
/* Save the original txq to restore before passing to the driver */
- qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping;
+ qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb_get_queue_mapping(skb);
if (unlikely(txq >= dev->real_num_tx_queues)) {
do {
@@ -4319,9 +4329,9 @@ static int bond_check_params(struct bond_params *params)
}
if (xmit_hash_policy) {
- if ((bond_mode != BOND_MODE_XOR) &&
- (bond_mode != BOND_MODE_8023AD) &&
- (bond_mode != BOND_MODE_TLB)) {
+ if (bond_mode == BOND_MODE_ROUNDROBIN ||
+ bond_mode == BOND_MODE_ACTIVEBACKUP ||
+ bond_mode == BOND_MODE_BROADCAST) {
pr_info("xmit_hash_policy param is irrelevant in mode %s\n",
bond_mode_name(bond_mode));
} else {