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Commit 69a2338e authored by Moni Shoua's avatar Moni Shoua Committed by David S. Miller
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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: default avatarMoni Shoua <monis@mellanox.com>
Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 61bd3857

drivers/net/bonding/bond_main.c

+38 −26
Original line number Diff line number Diff line
@@ -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;

include/net/bonding.h

+5 −0
Original line number Diff line number Diff line
@@ -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;