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net/bonding: Move slave state changes to a helper function 

Move slave state changes to a helper function, this is a pre-step for adding
functionality of dispatching an event when this helper is called.

This commit doesn't add new functionality.

Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Moni Shoua 2015-02-03 16:48:30 +02:00 committed by David S. Miller
parent 61bd3857ff
commit 69a2338e05
2 changed files with 43 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
drivers/net/bonding/bond_main.c
View File

@ -790,7 +790,7 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
}
new_active->delay = 0;
new_active->link = BOND_LINK_UP;
bond_set_slave_link_state(new_active, BOND_LINK_UP);
if (BOND_MODE(bond) == BOND_MODE_8023AD)
bond_3ad_handle_link_change(new_active, BOND_LINK_UP);
@ -1181,6 +1181,21 @@ static void bond_free_slave(struct slave *slave)
kfree(slave);
}
static void bond_fill_ifbond(struct bonding *bond, struct ifbond *info)
{
info->bond_mode = BOND_MODE(bond);
info->miimon = bond->params.miimon;
info->num_slaves = bond->slave_cnt;
}
static void bond_fill_ifslave(struct slave *slave, struct ifslave *info)
{
strcpy(info->slave_name, slave->dev->name);
info->link = slave->link;
info->state = bond_slave_state(slave);
info->link_failure_count = slave->link_failure_count;
}
/* enslave device <slave> to bond device <master> */
int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
{
@ -1444,19 +1459,22 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (bond->params.miimon) {
if (bond_check_dev_link(bond, slave_dev, 0) == BMSR_LSTATUS) {
if (bond->params.updelay) {
new_slave->link = BOND_LINK_BACK;
bond_set_slave_link_state(new_slave,
BOND_LINK_BACK);
new_slave->delay = bond->params.updelay;
} else {
new_slave->link = BOND_LINK_UP;
bond_set_slave_link_state(new_slave,
BOND_LINK_UP);
}
} else {
new_slave->link = BOND_LINK_DOWN;
bond_set_slave_link_state(new_slave, BOND_LINK_DOWN);
}
} else if (bond->params.arp_interval) {
new_slave->link = (netif_carrier_ok(slave_dev) ?
BOND_LINK_UP : BOND_LINK_DOWN);
bond_set_slave_link_state(new_slave,
(netif_carrier_ok(slave_dev) ?
BOND_LINK_UP : BOND_LINK_DOWN));
} else {
new_slave->link = BOND_LINK_UP;
bond_set_slave_link_state(new_slave, BOND_LINK_UP);
}
if (new_slave->link != BOND_LINK_DOWN)
@ -1821,11 +1839,7 @@ static int bond_release_and_destroy(struct net_device *bond_dev,
static int bond_info_query(struct net_device *bond_dev, struct ifbond *info)
{
struct bonding *bond = netdev_priv(bond_dev);
info->bond_mode = BOND_MODE(bond);
info->miimon = bond->params.miimon;
info->num_slaves = bond->slave_cnt;
bond_fill_ifbond(bond, info);
return 0;
}
@ -1839,10 +1853,7 @@ static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *in
bond_for_each_slave(bond, slave, iter) {
if (i++ == (int)info->slave_id) {
res = 0;
strcpy(info->slave_name, slave->dev->name);
info->link = slave->link;
info->state = bond_slave_state(slave);
info->link_failure_count = slave->link_failure_count;
bond_fill_ifslave(slave, info);
break;
}
}
@ -1872,7 +1883,7 @@ static int bond_miimon_inspect(struct bonding *bond)
if (link_state)
continue;
slave->link = BOND_LINK_FAIL;
bond_set_slave_link_state(slave, BOND_LINK_FAIL);
slave->delay = bond->params.downdelay;
if (slave->delay) {
netdev_info(bond->dev, "link status down for %sinterface %s, disabling it in %d ms\n",
@ -1887,7 +1898,7 @@ static int bond_miimon_inspect(struct bonding *bond)
case BOND_LINK_FAIL:
if (link_state) {
/* recovered before downdelay expired */
slave->link = BOND_LINK_UP;
bond_set_slave_link_state(slave, BOND_LINK_UP);
slave->last_link_up = jiffies;
netdev_info(bond->dev, "link status up again after %d ms for interface %s\n",
(bond->params.downdelay - slave->delay) *
@ -1909,7 +1920,7 @@ static int bond_miimon_inspect(struct bonding *bond)
if (!link_state)
continue;
slave->link = BOND_LINK_BACK;
bond_set_slave_link_state(slave, BOND_LINK_BACK);
slave->delay = bond->params.updelay;
if (slave->delay) {
@ -1922,7 +1933,8 @@ static int bond_miimon_inspect(struct bonding *bond)
/*FALLTHRU*/
case BOND_LINK_BACK:
if (!link_state) {
slave->link = BOND_LINK_DOWN;
bond_set_slave_link_state(slave,
BOND_LINK_DOWN);
netdev_info(bond->dev, "link status down again after %d ms for interface %s\n",
(bond->params.updelay - slave->delay) *
bond->params.miimon,
@ -1960,7 +1972,7 @@ static void bond_miimon_commit(struct bonding *bond)
continue;
case BOND_LINK_UP:
slave->link = BOND_LINK_UP;
bond_set_slave_link_state(slave, BOND_LINK_UP);
slave->last_link_up = jiffies;
primary = rtnl_dereference(bond->primary_slave);
@ -2000,7 +2012,7 @@ static void bond_miimon_commit(struct bonding *bond)
if (slave->link_failure_count < UINT_MAX)
slave->link_failure_count++;
slave->link = BOND_LINK_DOWN;
bond_set_slave_link_state(slave, BOND_LINK_DOWN);
if (BOND_MODE(bond) == BOND_MODE_ACTIVEBACKUP ||
BOND_MODE(bond) == BOND_MODE_8023AD)
@ -2583,7 +2595,7 @@ static void bond_ab_arp_commit(struct bonding *bond)
struct slave *current_arp_slave;
current_arp_slave = rtnl_dereference(bond->current_arp_slave);
slave->link = BOND_LINK_UP;
bond_set_slave_link_state(slave, BOND_LINK_UP);
if (current_arp_slave) {
bond_set_slave_inactive_flags(
current_arp_slave,
@ -2606,7 +2618,7 @@ static void bond_ab_arp_commit(struct bonding *bond)
if (slave->link_failure_count < UINT_MAX)
slave->link_failure_count++;
slave->link = BOND_LINK_DOWN;
bond_set_slave_link_state(slave, BOND_LINK_DOWN);
bond_set_slave_inactive_flags(slave,
BOND_SLAVE_NOTIFY_NOW);
@ -2685,7 +2697,7 @@ static bool bond_ab_arp_probe(struct bonding *bond)
* up when it is actually down
*/
if (!bond_slave_is_up(slave) && slave->link == BOND_LINK_UP) {
slave->link = BOND_LINK_DOWN;
bond_set_slave_link_state(slave, BOND_LINK_DOWN);
if (slave->link_failure_count < UINT_MAX)
slave->link_failure_count++;
@ -2705,7 +2717,7 @@ static bool bond_ab_arp_probe(struct bonding *bond)
if (!new_slave)
goto check_state;
new_slave->link = BOND_LINK_BACK;
bond_set_slave_link_state(new_slave, BOND_LINK_BACK);
bond_set_slave_active_flags(new_slave, BOND_SLAVE_NOTIFY_LATER);
bond_arp_send_all(bond, new_slave);
new_slave->last_link_up = jiffies;

5
include/net/bonding.h
View File

@ -490,6 +490,11 @@ static inline bool bond_is_slave_inactive(struct slave *slave)
return slave->inactive;
}
static inline void bond_set_slave_link_state(struct slave *slave, int state)
{
slave->link = state;
}
static inline __be32 bond_confirm_addr(struct net_device *dev, __be32 dst, __be32 local)
{
struct in_device *in_dev;