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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.c927
1 files changed, 408 insertions, 519 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 69c5b15e22da..efa0e41bf3ec 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -31,6 +31,8 @@
*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h>
@@ -75,6 +77,7 @@
#include <linux/jiffies.h>
#include <net/route.h>
#include <net/net_namespace.h>
+#include <net/netns/generic.h>
#include "bonding.h"
#include "bond_3ad.h"
#include "bond_alb.h"
@@ -94,6 +97,7 @@ static int downdelay;
static int use_carrier = 1;
static char *mode;
static char *primary;
+static char *primary_reselect;
static char *lacp_rate;
static char *ad_select;
static char *xmit_hash_policy;
@@ -126,6 +130,14 @@ MODULE_PARM_DESC(mode, "Mode of operation : 0 for balance-rr, "
"6 for balance-alb");
module_param(primary, charp, 0);
MODULE_PARM_DESC(primary, "Primary network device to use");
+module_param(primary_reselect, charp, 0);
+MODULE_PARM_DESC(primary_reselect, "Reselect primary slave "
+ "once it comes up; "
+ "0 for always (default), "
+ "1 for only if speed of primary is "
+ "better, "
+ "2 for only on active slave "
+ "failure");
module_param(lacp_rate, charp, 0);
MODULE_PARM_DESC(lacp_rate, "LACPDU tx rate to request from 802.3ad partner "
"(slow/fast)");
@@ -148,11 +160,7 @@ MODULE_PARM_DESC(fail_over_mac, "For active-backup, do not set all slaves to the
static const char * const version =
DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n";
-LIST_HEAD(bond_dev_list);
-
-#ifdef CONFIG_PROC_FS
-static struct proc_dir_entry *bond_proc_dir;
-#endif
+int bond_net_id __read_mostly;
static __be32 arp_target[BOND_MAX_ARP_TARGETS];
static int arp_ip_count;
@@ -200,6 +208,13 @@ const struct bond_parm_tbl fail_over_mac_tbl[] = {
{ NULL, -1},
};
+const struct bond_parm_tbl pri_reselect_tbl[] = {
+{ "always", BOND_PRI_RESELECT_ALWAYS},
+{ "better", BOND_PRI_RESELECT_BETTER},
+{ "failure", BOND_PRI_RESELECT_FAILURE},
+{ NULL, -1},
+};
+
struct bond_parm_tbl ad_select_tbl[] = {
{ "stable", BOND_AD_STABLE},
{ "bandwidth", BOND_AD_BANDWIDTH},
@@ -211,7 +226,7 @@ struct bond_parm_tbl ad_select_tbl[] = {
static void bond_send_gratuitous_arp(struct bonding *bond);
static int bond_init(struct net_device *bond_dev);
-static void bond_deinit(struct net_device *bond_dev);
+static void bond_uninit(struct net_device *bond_dev);
/*---------------------------- General routines -----------------------------*/
@@ -247,7 +262,7 @@ static int bond_add_vlan(struct bonding *bond, unsigned short vlan_id)
struct vlan_entry *vlan;
pr_debug("bond: %s, vlan id %d\n",
- (bond ? bond->dev->name : "None"), vlan_id);
+ (bond ? bond->dev->name : "None"), vlan_id);
vlan = kzalloc(sizeof(struct vlan_entry), GFP_KERNEL);
if (!vlan)
@@ -290,8 +305,8 @@ static int bond_del_vlan(struct bonding *bond, unsigned short vlan_id)
if (bond_is_lb(bond))
bond_alb_clear_vlan(bond, vlan_id);
- pr_debug("removed VLAN ID %d from bond %s\n", vlan_id,
- bond->dev->name);
+ pr_debug("removed VLAN ID %d from bond %s\n",
+ vlan_id, bond->dev->name);
kfree(vlan);
@@ -310,8 +325,8 @@ static int bond_del_vlan(struct bonding *bond, unsigned short vlan_id)
}
}
- pr_debug("couldn't find VLAN ID %d in bond %s\n", vlan_id,
- bond->dev->name);
+ pr_debug("couldn't find VLAN ID %d in bond %s\n",
+ vlan_id, bond->dev->name);
out:
write_unlock_bh(&bond->lock);
@@ -335,7 +350,7 @@ static int bond_has_challenged_slaves(struct bonding *bond)
bond_for_each_slave(bond, slave, i) {
if (slave->dev->features & NETIF_F_VLAN_CHALLENGED) {
pr_debug("found VLAN challenged slave - %s\n",
- slave->dev->name);
+ slave->dev->name);
return 1;
}
}
@@ -486,8 +501,7 @@ static void bond_vlan_rx_add_vid(struct net_device *bond_dev, uint16_t vid)
res = bond_add_vlan(bond, vid);
if (res) {
- pr_err(DRV_NAME
- ": %s: Error: Failed to add vlan id %d\n",
+ pr_err("%s: Error: Failed to add vlan id %d\n",
bond_dev->name, vid);
}
}
@@ -521,8 +535,7 @@ static void bond_vlan_rx_kill_vid(struct net_device *bond_dev, uint16_t vid)
res = bond_del_vlan(bond, vid);
if (res) {
- pr_err(DRV_NAME
- ": %s: Error: Failed to remove vlan id %d\n",
+ pr_err("%s: Error: Failed to remove vlan id %d\n",
bond_dev->name, vid);
}
}
@@ -691,7 +704,7 @@ static int bond_check_dev_link(struct bonding *bond,
struct net_device *slave_dev, int reporting)
{
const struct net_device_ops *slave_ops = slave_dev->netdev_ops;
- static int (*ioctl)(struct net_device *, struct ifreq *, int);
+ int (*ioctl)(struct net_device *, struct ifreq *, int);
struct ifreq ifr;
struct mii_ioctl_data *mii;
@@ -1040,8 +1053,7 @@ static void bond_do_fail_over_mac(struct bonding *bond,
rv = dev_set_mac_address(new_active->dev, &saddr);
if (rv) {
- pr_err(DRV_NAME
- ": %s: Error %d setting MAC of slave %s\n",
+ pr_err("%s: Error %d setting MAC of slave %s\n",
bond->dev->name, -rv, new_active->dev->name);
goto out;
}
@@ -1054,22 +1066,39 @@ static void bond_do_fail_over_mac(struct bonding *bond,
rv = dev_set_mac_address(old_active->dev, &saddr);
if (rv)
- pr_err(DRV_NAME
- ": %s: Error %d setting MAC of slave %s\n",
+ pr_err("%s: Error %d setting MAC of slave %s\n",
bond->dev->name, -rv, new_active->dev->name);
out:
read_lock(&bond->lock);
write_lock_bh(&bond->curr_slave_lock);
break;
default:
- pr_err(DRV_NAME
- ": %s: bond_do_fail_over_mac impossible: bad policy %d\n",
+ pr_err("%s: bond_do_fail_over_mac impossible: bad policy %d\n",
bond->dev->name, bond->params.fail_over_mac);
break;
}
}
+static bool bond_should_change_active(struct bonding *bond)
+{
+ struct slave *prim = bond->primary_slave;
+ struct slave *curr = bond->curr_active_slave;
+
+ if (!prim || !curr || curr->link != BOND_LINK_UP)
+ return true;
+ if (bond->force_primary) {
+ bond->force_primary = false;
+ return true;
+ }
+ if (bond->params.primary_reselect == BOND_PRI_RESELECT_BETTER &&
+ (prim->speed < curr->speed ||
+ (prim->speed == curr->speed && prim->duplex <= curr->duplex)))
+ return false;
+ if (bond->params.primary_reselect == BOND_PRI_RESELECT_FAILURE)
+ return false;
+ return true;
+}
/**
* find_best_interface - select the best available slave to be the active one
@@ -1084,7 +1113,7 @@ static struct slave *bond_find_best_slave(struct bonding *bond)
int mintime = bond->params.updelay;
int i;
- new_active = old_active = bond->curr_active_slave;
+ new_active = bond->curr_active_slave;
if (!new_active) { /* there were no active slaves left */
if (bond->slave_cnt > 0) /* found one slave */
@@ -1094,7 +1123,8 @@ static struct slave *bond_find_best_slave(struct bonding *bond)
}
if ((bond->primary_slave) &&
- bond->primary_slave->link == BOND_LINK_UP) {
+ bond->primary_slave->link == BOND_LINK_UP &&
+ bond_should_change_active(bond)) {
new_active = bond->primary_slave;
}
@@ -1145,11 +1175,9 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
if (new_active->link == BOND_LINK_BACK) {
if (USES_PRIMARY(bond->params.mode)) {
- pr_info(DRV_NAME
- ": %s: making interface %s the new "
- "active one %d ms earlier.\n",
- bond->dev->name, new_active->dev->name,
- (bond->params.updelay - new_active->delay) * bond->params.miimon);
+ pr_info("%s: making interface %s the new active one %d ms earlier.\n",
+ bond->dev->name, new_active->dev->name,
+ (bond->params.updelay - new_active->delay) * bond->params.miimon);
}
new_active->delay = 0;
@@ -1162,10 +1190,8 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
bond_alb_handle_link_change(bond, new_active, BOND_LINK_UP);
} else {
if (USES_PRIMARY(bond->params.mode)) {
- pr_info(DRV_NAME
- ": %s: making interface %s the new "
- "active one.\n",
- bond->dev->name, new_active->dev->name);
+ pr_info("%s: making interface %s the new active one.\n",
+ bond->dev->name, new_active->dev->name);
}
}
}
@@ -1235,13 +1261,11 @@ void bond_select_active_slave(struct bonding *bond)
return;
if (netif_carrier_ok(bond->dev)) {
- pr_info(DRV_NAME
- ": %s: first active interface up!\n",
- bond->dev->name);
+ pr_info("%s: first active interface up!\n",
+ bond->dev->name);
} else {
- pr_info(DRV_NAME ": %s: "
- "now running without any active interface !\n",
- bond->dev->name);
+ pr_info("%s: now running without any active interface !\n",
+ bond->dev->name);
}
}
}
@@ -1390,16 +1414,14 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (!bond->params.use_carrier && slave_dev->ethtool_ops == NULL &&
slave_ops->ndo_do_ioctl == NULL) {
- pr_warning(DRV_NAME
- ": %s: Warning: no link monitoring support for %s\n",
- bond_dev->name, slave_dev->name);
+ pr_warning("%s: Warning: no link monitoring support for %s\n",
+ bond_dev->name, slave_dev->name);
}
/* bond must be initialized by bond_open() before enslaving */
if (!(bond_dev->flags & IFF_UP)) {
- pr_warning(DRV_NAME
- " %s: master_dev is not up in bond_enslave\n",
- bond_dev->name);
+ pr_warning("%s: master_dev is not up in bond_enslave\n",
+ bond_dev->name);
}
/* already enslaved */
@@ -1413,19 +1435,13 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (slave_dev->features & NETIF_F_VLAN_CHALLENGED) {
pr_debug("%s: NETIF_F_VLAN_CHALLENGED\n", slave_dev->name);
if (!list_empty(&bond->vlan_list)) {
- pr_err(DRV_NAME
- ": %s: Error: cannot enslave VLAN "
- "challenged slave %s on VLAN enabled "
- "bond %s\n", bond_dev->name, slave_dev->name,
- bond_dev->name);
+ pr_err("%s: Error: cannot enslave VLAN challenged slave %s on VLAN enabled bond %s\n",
+ bond_dev->name, slave_dev->name, bond_dev->name);
return -EPERM;
} else {
- pr_warning(DRV_NAME
- ": %s: Warning: enslaved VLAN challenged "
- "slave %s. Adding VLANs will be blocked as "
- "long as %s is part of bond %s\n",
- bond_dev->name, slave_dev->name, slave_dev->name,
- bond_dev->name);
+ pr_warning("%s: Warning: enslaved VLAN challenged slave %s. Adding VLANs will be blocked as long as %s is part of bond %s\n",
+ bond_dev->name, slave_dev->name,
+ slave_dev->name, bond_dev->name);
bond_dev->features |= NETIF_F_VLAN_CHALLENGED;
}
} else {
@@ -1445,8 +1461,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
* enslaving it; the old ifenslave will not.
*/
if ((slave_dev->flags & IFF_UP)) {
- pr_err(DRV_NAME ": %s is up. "
- "This may be due to an out of date ifenslave.\n",
+ pr_err("%s is up. This may be due to an out of date ifenslave.\n",
slave_dev->name);
res = -EPERM;
goto err_undo_flags;
@@ -1462,7 +1477,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (bond->slave_cnt == 0) {
if (bond_dev->type != slave_dev->type) {
pr_debug("%s: change device type from %d to %d\n",
- bond_dev->name, bond_dev->type, slave_dev->type);
+ bond_dev->name,
+ bond_dev->type, slave_dev->type);
netdev_bonding_change(bond_dev, NETDEV_BONDING_OLDTYPE);
@@ -1474,28 +1490,21 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
netdev_bonding_change(bond_dev, NETDEV_BONDING_NEWTYPE);
}
} else if (bond_dev->type != slave_dev->type) {
- pr_err(DRV_NAME ": %s ether type (%d) is different "
- "from other slaves (%d), can not enslave it.\n",
- slave_dev->name,
- slave_dev->type, bond_dev->type);
- res = -EINVAL;
- goto err_undo_flags;
+ pr_err("%s ether type (%d) is different from other slaves (%d), can not enslave it.\n",
+ slave_dev->name,
+ slave_dev->type, bond_dev->type);
+ res = -EINVAL;
+ goto err_undo_flags;
}
if (slave_ops->ndo_set_mac_address == NULL) {
if (bond->slave_cnt == 0) {
- pr_warning(DRV_NAME
- ": %s: Warning: The first slave device "
- "specified does not support setting the MAC "
- "address. Setting fail_over_mac to active.",
- bond_dev->name);
+ pr_warning("%s: Warning: The first slave device specified does not support setting the MAC address. Setting fail_over_mac to active.",
+ bond_dev->name);
bond->params.fail_over_mac = BOND_FOM_ACTIVE;
} else if (bond->params.fail_over_mac != BOND_FOM_ACTIVE) {
- pr_err(DRV_NAME
- ": %s: Error: The slave device specified "
- "does not support setting the MAC address, "
- "but fail_over_mac is not set to active.\n"
- , bond_dev->name);
+ pr_err("%s: Error: The slave device specified does not support setting the MAC address, but fail_over_mac is not set to active.\n",
+ bond_dev->name);
res = -EOPNOTSUPP;
goto err_undo_flags;
}
@@ -1622,22 +1631,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
* supported); thus, we don't need to change
* the messages for netif_carrier.
*/
- pr_warning(DRV_NAME
- ": %s: Warning: MII and ETHTOOL support not "
- "available for interface %s, and "
- "arp_interval/arp_ip_target module parameters "
- "not specified, thus bonding will not detect "
- "link failures! see bonding.txt for details.\n",
+ pr_warning("%s: Warning: MII and ETHTOOL support not available for interface %s, and arp_interval/arp_ip_target module parameters not specified, thus bonding will not detect link failures! see bonding.txt for details.\n",
bond_dev->name, slave_dev->name);
} else if (link_reporting == -1) {
/* unable get link status using mii/ethtool */
- pr_warning(DRV_NAME
- ": %s: Warning: can't get link status from "
- "interface %s; the network driver associated "
- "with this interface does not support MII or "
- "ETHTOOL link status reporting, thus miimon "
- "has no effect on this interface.\n",
- bond_dev->name, slave_dev->name);
+ pr_warning("%s: Warning: can't get link status from interface %s; the network driver associated with this interface does not support MII or ETHTOOL link status reporting, thus miimon has no effect on this interface.\n",
+ bond_dev->name, slave_dev->name);
}
}
@@ -1645,41 +1644,36 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (!bond->params.miimon ||
(bond_check_dev_link(bond, slave_dev, 0) == BMSR_LSTATUS)) {
if (bond->params.updelay) {
- pr_debug("Initial state of slave_dev is "
- "BOND_LINK_BACK\n");
+ pr_debug("Initial state of slave_dev is BOND_LINK_BACK\n");
new_slave->link = BOND_LINK_BACK;
new_slave->delay = bond->params.updelay;
} else {
- pr_debug("Initial state of slave_dev is "
- "BOND_LINK_UP\n");
+ pr_debug("Initial state of slave_dev is BOND_LINK_UP\n");
new_slave->link = BOND_LINK_UP;
}
new_slave->jiffies = jiffies;
} else {
- pr_debug("Initial state of slave_dev is "
- "BOND_LINK_DOWN\n");
+ pr_debug("Initial state of slave_dev is BOND_LINK_DOWN\n");
new_slave->link = BOND_LINK_DOWN;
}
if (bond_update_speed_duplex(new_slave) &&
(new_slave->link != BOND_LINK_DOWN)) {
- pr_warning(DRV_NAME
- ": %s: Warning: failed to get speed and duplex from %s, "
- "assumed to be 100Mb/sec and Full.\n",
- bond_dev->name, new_slave->dev->name);
+ pr_warning("%s: Warning: failed to get speed and duplex from %s, assumed to be 100Mb/sec and Full.\n",
+ bond_dev->name, new_slave->dev->name);
if (bond->params.mode == BOND_MODE_8023AD) {
- pr_warning(DRV_NAME
- ": %s: Warning: Operation of 802.3ad mode requires ETHTOOL "
- "support in base driver for proper aggregator "
- "selection.\n", bond_dev->name);
+ pr_warning("%s: Warning: Operation of 802.3ad mode requires ETHTOOL support in base driver for proper aggregator selection.\n",
+ bond_dev->name);
}
}
if (USES_PRIMARY(bond->params.mode) && bond->params.primary[0]) {
/* if there is a primary slave, remember it */
- if (strcmp(bond->params.primary, new_slave->dev->name) == 0)
+ if (strcmp(bond->params.primary, new_slave->dev->name) == 0) {
bond->primary_slave = new_slave;
+ bond->force_primary = true;
+ }
}
write_lock_bh(&bond->curr_slave_lock);
@@ -1742,11 +1736,10 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (res)
goto err_close;
- pr_info(DRV_NAME
- ": %s: enslaving %s as a%s interface with a%s link.\n",
- bond_dev->name, slave_dev->name,
- new_slave->state == BOND_STATE_ACTIVE ? "n active" : " backup",
- new_slave->link != BOND_LINK_DOWN ? "n up" : " down");
+ pr_info("%s: enslaving %s as a%s interface with a%s link.\n",
+ bond_dev->name, slave_dev->name,
+ new_slave->state == BOND_STATE_ACTIVE ? "n active" : " backup",
+ new_slave->link != BOND_LINK_DOWN ? "n up" : " down");
/* enslave is successful */
return 0;
@@ -1798,8 +1791,7 @@ 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)) {
- pr_err(DRV_NAME
- ": %s: Error: cannot release %s.\n",
+ pr_err("%s: Error: cannot release %s.\n",
bond_dev->name, slave_dev->name);
return -EINVAL;
}
@@ -1809,24 +1801,19 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
slave = bond_get_slave_by_dev(bond, slave_dev);
if (!slave) {
/* not a slave of this bond */
- pr_info(DRV_NAME
- ": %s: %s not enslaved\n",
- bond_dev->name, slave_dev->name);
+ pr_info("%s: %s not enslaved\n",
+ bond_dev->name, slave_dev->name);
write_unlock_bh(&bond->lock);
return -EINVAL;
}
if (!bond->params.fail_over_mac) {
- if (!compare_ether_addr(bond_dev->dev_addr, slave->perm_hwaddr)
- && bond->slave_cnt > 1)
- pr_warning(DRV_NAME
- ": %s: Warning: the permanent HWaddr of %s - "
- "%pM - is still in use by %s. "
- "Set the HWaddr of %s to a different address "
- "to avoid conflicts.\n",
- bond_dev->name, slave_dev->name,
- slave->perm_hwaddr,
- bond_dev->name, slave_dev->name);
+ if (!compare_ether_addr(bond_dev->dev_addr, slave->perm_hwaddr) &&
+ bond->slave_cnt > 1)
+ pr_warning("%s: Warning: the permanent HWaddr of %s - %pM - is still in use by %s. Set the HWaddr of %s to a different address to avoid conflicts.\n",
+ bond_dev->name, slave_dev->name,
+ slave->perm_hwaddr,
+ bond_dev->name, slave_dev->name);
}
/* Inform AD package of unbinding of slave. */
@@ -1837,12 +1824,10 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
bond_3ad_unbind_slave(slave);
}
- pr_info(DRV_NAME
- ": %s: releasing %s interface %s\n",
- bond_dev->name,
- (slave->state == BOND_STATE_ACTIVE)
- ? "active" : "backup",
- slave_dev->name);
+ pr_info("%s: releasing %s interface %s\n",
+ bond_dev->name,
+ (slave->state == BOND_STATE_ACTIVE) ? "active" : "backup",
+ slave_dev->name);
oldcurrent = bond->curr_active_slave;
@@ -1899,21 +1884,15 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
if (list_empty(&bond->vlan_list)) {
bond_dev->features |= NETIF_F_VLAN_CHALLENGED;
} else {
- pr_warning(DRV_NAME
- ": %s: Warning: clearing HW address of %s while it "
- "still has VLANs.\n",
- bond_dev->name, bond_dev->name);
- pr_warning(DRV_NAME
- ": %s: When re-adding slaves, make sure the bond's "
- "HW address matches its VLANs'.\n",
- bond_dev->name);
+ pr_warning("%s: Warning: clearing HW address of %s while it still has VLANs.\n",
+ bond_dev->name, bond_dev->name);
+ pr_warning("%s: When re-adding slaves, make sure the bond's HW address matches its VLANs'.\n",
+ bond_dev->name);
}
} else if ((bond_dev->features & NETIF_F_VLAN_CHALLENGED) &&
!bond_has_challenged_slaves(bond)) {
- pr_info(DRV_NAME
- ": %s: last VLAN challenged slave %s "
- "left bond %s. VLAN blocking is removed\n",
- bond_dev->name, slave_dev->name, bond_dev->name);
+ pr_info("%s: last VLAN challenged slave %s left bond %s. VLAN blocking is removed\n",
+ bond_dev->name, slave_dev->name, bond_dev->name);
bond_dev->features &= ~NETIF_F_VLAN_CHALLENGED;
}
@@ -1965,25 +1944,6 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
}
/*
-* Destroy a bonding device.
-* Must be under rtnl_lock when this function is called.
-*/
-static void bond_uninit(struct net_device *bond_dev)
-{
- struct bonding *bond = netdev_priv(bond_dev);
-
- bond_deinit(bond_dev);
- bond_destroy_sysfs_entry(bond);
-
- if (bond->wq)
- destroy_workqueue(bond->wq);
-
- netif_addr_lock_bh(bond_dev);
- bond_mc_list_destroy(bond);
- netif_addr_unlock_bh(bond_dev);
-}
-
-/*
* First release a slave and than destroy the bond if no more slaves are left.
* Must be under rtnl_lock when this function is called.
*/
@@ -1995,8 +1955,8 @@ int bond_release_and_destroy(struct net_device *bond_dev,
ret = bond_release(bond_dev, slave_dev);
if ((ret == 0) && (bond->slave_cnt == 0)) {
- pr_info(DRV_NAME ": %s: destroying bond %s.\n",
- bond_dev->name, bond_dev->name);
+ pr_info("%s: destroying bond %s.\n",
+ bond_dev->name, bond_dev->name);
unregister_netdevice(bond_dev);
}
return ret;
@@ -2100,19 +2060,13 @@ static int bond_release_all(struct net_device *bond_dev)
if (list_empty(&bond->vlan_list))
bond_dev->features |= NETIF_F_VLAN_CHALLENGED;
else {
- pr_warning(DRV_NAME
- ": %s: Warning: clearing HW address of %s while it "
- "still has VLANs.\n",
- bond_dev->name, bond_dev->name);
- pr_warning(DRV_NAME
- ": %s: When re-adding slaves, make sure the bond's "
- "HW address matches its VLANs'.\n",
- bond_dev->name);
+ pr_warning("%s: Warning: clearing HW address of %s while it still has VLANs.\n",
+ bond_dev->name, bond_dev->name);
+ pr_warning("%s: When re-adding slaves, make sure the bond's HW address matches its VLANs'.\n",
+ bond_dev->name);
}
- pr_info(DRV_NAME
- ": %s: released all slaves\n",
- bond_dev->name);
+ pr_info("%s: released all slaves\n", bond_dev->name);
out:
write_unlock_bh(&bond->lock);
@@ -2238,16 +2192,14 @@ static int bond_miimon_inspect(struct bonding *bond)
slave->link = BOND_LINK_FAIL;
slave->delay = bond->params.downdelay;
if (slave->delay) {
- pr_info(DRV_NAME
- ": %s: link status down for %s"
- "interface %s, disabling it in %d ms.\n",
- bond->dev->name,
- (bond->params.mode ==
- BOND_MODE_ACTIVEBACKUP) ?
- ((slave->state == BOND_STATE_ACTIVE) ?
- "active " : "backup ") : "",
- slave->dev->name,
- bond->params.downdelay * bond->params.miimon);
+ pr_info("%s: link status down for %sinterface %s, disabling it in %d ms.\n",
+ bond->dev->name,
+ (bond->params.mode ==
+ BOND_MODE_ACTIVEBACKUP) ?
+ ((slave->state == BOND_STATE_ACTIVE) ?
+ "active " : "backup ") : "",
+ slave->dev->name,
+ bond->params.downdelay * bond->params.miimon);
}
/*FALLTHRU*/
case BOND_LINK_FAIL:
@@ -2257,13 +2209,11 @@ static int bond_miimon_inspect(struct bonding *bond)
*/
slave->link = BOND_LINK_UP;
slave->jiffies = jiffies;
- pr_info(DRV_NAME
- ": %s: link status up again after %d "
- "ms for interface %s.\n",
- bond->dev->name,
- (bond->params.downdelay - slave->delay) *
- bond->params.miimon,
- slave->dev->name);
+ pr_info("%s: link status up again after %d ms for interface %s.\n",
+ bond->dev->name,
+ (bond->params.downdelay - slave->delay) *
+ bond->params.miimon,
+ slave->dev->name);
continue;
}
@@ -2284,25 +2234,21 @@ static int bond_miimon_inspect(struct bonding *bond)
slave->delay = bond->params.updelay;
if (slave->delay) {
- pr_info(DRV_NAME
- ": %s: link status up for "
- "interface %s, enabling it in %d ms.\n",
- bond->dev->name, slave->dev->name,
- ignore_updelay ? 0 :
- bond->params.updelay *
- bond->params.miimon);
+ pr_info("%s: link status up for interface %s, enabling it in %d ms.\n",
+ bond->dev->name, slave->dev->name,
+ ignore_updelay ? 0 :
+ bond->params.updelay *
+ bond->params.miimon);
}
/*FALLTHRU*/
case BOND_LINK_BACK:
if (!link_state) {
slave->link = BOND_LINK_DOWN;
- pr_info(DRV_NAME
- ": %s: link status down again after %d "
- "ms for interface %s.\n",
- bond->dev->name,
- (bond->params.updelay - slave->delay) *
- bond->params.miimon,
- slave->dev->name);
+ pr_info("%s: link status down again after %d ms for interface %s.\n",
+ bond->dev->name,
+ (bond->params.updelay - slave->delay) *
+ bond->params.miimon,
+ slave->dev->name);
continue;
}
@@ -2350,10 +2296,8 @@ static void bond_miimon_commit(struct bonding *bond)
slave->state = BOND_STATE_BACKUP;
}
- pr_info(DRV_NAME
- ": %s: link status definitely "
- "up for interface %s.\n",
- bond->dev->name, slave->dev->name);
+ pr_info("%s: link status definitely up for interface %s.\n",
+ bond->dev->name, slave->dev->name);
/* notify ad that the link status has changed */
if (bond->params.mode == BOND_MODE_8023AD)
@@ -2379,10 +2323,8 @@ static void bond_miimon_commit(struct bonding *bond)
bond->params.mode == BOND_MODE_8023AD)
bond_set_slave_inactive_flags(slave);
- pr_info(DRV_NAME
- ": %s: link status definitely down for "
- "interface %s, disabling it\n",
- bond->dev->name, slave->dev->name);
+ pr_info("%s: link status definitely down for interface %s, disabling it\n",
+ bond->dev->name, slave->dev->name);
if (bond->params.mode == BOND_MODE_8023AD)
bond_3ad_handle_link_change(slave,
@@ -2398,8 +2340,7 @@ static void bond_miimon_commit(struct bonding *bond)
continue;
default:
- pr_err(DRV_NAME
- ": %s: invalid new link %d on slave %s\n",
+ pr_err("%s: invalid new link %d on slave %s\n",
bond->dev->name, slave->new_link,
slave->dev->name);
slave->new_link = BOND_LINK_NOCHANGE;
@@ -2518,19 +2459,19 @@ static void bond_arp_send(struct net_device *slave_dev, int arp_op, __be32 dest_
struct sk_buff *skb;
pr_debug("arp %d on slave %s: dst %x src %x vid %d\n", arp_op,
- slave_dev->name, dest_ip, src_ip, vlan_id);
+ slave_dev->name, dest_ip, src_ip, vlan_id);
skb = arp_create(arp_op, ETH_P_ARP, dest_ip, slave_dev, src_ip,
NULL, slave_dev->dev_addr, NULL);
if (!skb) {
- pr_err(DRV_NAME ": ARP packet allocation failed\n");
+ pr_err("ARP packet allocation failed\n");
return;
}
if (vlan_id) {
skb = vlan_put_tag(skb, vlan_id);
if (!skb) {
- pr_err(DRV_NAME ": failed to insert VLAN tag\n");
+ pr_err("failed to insert VLAN tag\n");
return;
}
}
@@ -2567,12 +2508,11 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
fl.fl4_dst = targets[i];
fl.fl4_tos = RTO_ONLINK;
- rv = ip_route_output_key(&init_net, &rt, &fl);
+ rv = ip_route_output_key(dev_net(bond->dev), &rt, &fl);
if (rv) {
if (net_ratelimit()) {
- pr_warning(DRV_NAME
- ": %s: no route to arp_ip_target %pI4\n",
- bond->dev->name, &fl.fl4_dst);
+ pr_warning("%s: no route to arp_ip_target %pI4\n",
+ bond->dev->name, &fl.fl4_dst);
}
continue;
}
@@ -2607,10 +2547,9 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
}
if (net_ratelimit()) {
- pr_warning(DRV_NAME
- ": %s: no path to arp_ip_target %pI4 via rt.dev %s\n",
- bond->dev->name, &fl.fl4_dst,
- rt->u.dst.dev ? rt->u.dst.dev->name : "NULL");
+ pr_warning("%s: no path to arp_ip_target %pI4 via rt.dev %s\n",
+ bond->dev->name, &fl.fl4_dst,
+ rt->u.dst.dev ? rt->u.dst.dev->name : "NULL");
}
ip_rt_put(rt);
}
@@ -2628,8 +2567,8 @@ static void bond_send_gratuitous_arp(struct bonding *bond)
struct vlan_entry *vlan;
struct net_device *vlan_dev;
- pr_debug("bond_send_grat_arp: bond %s slave %s\n", bond->dev->name,
- slave ? slave->dev->name : "NULL");
+ pr_debug("bond_send_grat_arp: bond %s slave %s\n",
+ bond->dev->name, slave ? slave->dev->name : "NULL");
if (!slave || !bond->send_grat_arp ||
test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state))
@@ -2658,7 +2597,8 @@ static void bond_validate_arp(struct bonding *bond, struct slave *slave, __be32
for (i = 0; (i < BOND_MAX_ARP_TARGETS) && targets[i]; i++) {
pr_debug("bva: sip %pI4 tip %pI4 t[%d] %pI4 bhti(tip) %d\n",
- &sip, &tip, i, &targets[i], bond_has_this_ip(bond, tip));
+ &sip, &tip, i, &targets[i],
+ bond_has_this_ip(bond, tip));
if (sip == targets[i]) {
if (bond_has_this_ip(bond, tip))
slave->last_arp_rx = jiffies;
@@ -2675,9 +2615,6 @@ static int bond_arp_rcv(struct sk_buff *skb, struct net_device *dev, struct pack
unsigned char *arp_ptr;
__be32 sip, tip;
- if (dev_net(dev) != &init_net)
- goto out;
-
if (!(dev->priv_flags & IFF_BONDING) || !(dev->flags & IFF_MASTER))
goto out;
@@ -2685,8 +2622,8 @@ static int bond_arp_rcv(struct sk_buff *skb, struct net_device *dev, struct pack
read_lock(&bond->lock);
pr_debug("bond_arp_rcv: bond %s skb->dev %s orig_dev %s\n",
- bond->dev->name, skb->dev ? skb->dev->name : "NULL",
- orig_dev ? orig_dev->name : "NULL");
+ bond->dev->name, skb->dev ? skb->dev->name : "NULL",
+ orig_dev ? orig_dev->name : "NULL");
slave = bond_get_slave_by_dev(bond, orig_dev);
if (!slave || !slave_do_arp_validate(bond, slave))
@@ -2711,9 +2648,9 @@ static int bond_arp_rcv(struct sk_buff *skb, struct net_device *dev, struct pack
memcpy(&tip, arp_ptr, 4);
pr_debug("bond_arp_rcv: %s %s/%d av %d sv %d sip %pI4 tip %pI4\n",
- bond->dev->name, slave->dev->name, slave->state,
- bond->params.arp_validate, slave_do_arp_validate(bond, slave),
- &sip, &tip);
+ bond->dev->name, slave->dev->name, slave->state,
+ bond->params.arp_validate, slave_do_arp_validate(bond, slave),
+ &sip, &tip);
/*
* Backup slaves won't see the ARP reply, but do come through
@@ -2787,17 +2724,14 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
* is closed.
*/
if (!oldcurrent) {
- pr_info(DRV_NAME
- ": %s: link status definitely "
- "up for interface %s, ",
- bond->dev->name,
- slave->dev->name);
+ pr_info("%s: link status definitely up for interface %s, ",
+ bond->dev->name,
+ slave->dev->name);
do_failover = 1;
} else {
- pr_info(DRV_NAME
- ": %s: interface %s is now up\n",
- bond->dev->name,
- slave->dev->name);
+ pr_info("%s: interface %s is now up\n",
+ bond->dev->name,
+ slave->dev->name);
}
}
} else {
@@ -2816,10 +2750,9 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
if (slave->link_failure_count < UINT_MAX)
slave->link_failure_count++;
- pr_info(DRV_NAME
- ": %s: interface %s is now down.\n",
- bond->dev->name,
- slave->dev->name);
+ pr_info("%s: interface %s is now down.\n",
+ bond->dev->name,
+ slave->dev->name);
if (slave == oldcurrent)
do_failover = 1;
@@ -2952,9 +2885,7 @@ static void bond_ab_arp_commit(struct bonding *bond, int delta_in_ticks)
slave->link = BOND_LINK_UP;
bond->current_arp_slave = NULL;
- pr_info(DRV_NAME
- ": %s: link status definitely "
- "up for interface %s.\n",
+ pr_info("%s: link status definitely up for interface %s.\n",
bond->dev->name, slave->dev->name);
if (!bond->curr_active_slave ||
@@ -2972,9 +2903,7 @@ static void bond_ab_arp_commit(struct bonding *bond, int delta_in_ticks)
slave->link = BOND_LINK_DOWN;
bond_set_slave_inactive_flags(slave);
- pr_info(DRV_NAME
- ": %s: link status definitely down for "
- "interface %s, disabling it\n",
+ pr_info("%s: link status definitely down for interface %s, disabling it\n",
bond->dev->name, slave->dev->name);
if (slave == bond->curr_active_slave) {
@@ -2985,8 +2914,7 @@ static void bond_ab_arp_commit(struct bonding *bond, int delta_in_ticks)
continue;
default:
- pr_err(DRV_NAME
- ": %s: impossible: new_link %d on slave %s\n",
+ pr_err("%s: impossible: new_link %d on slave %s\n",
bond->dev->name, slave->new_link,
slave->dev->name);
continue;
@@ -3015,9 +2943,9 @@ static void bond_ab_arp_probe(struct bonding *bond)
read_lock(&bond->curr_slave_lock);
if (bond->current_arp_slave && bond->curr_active_slave)
- pr_info(DRV_NAME "PROBE: c_arp %s && cas %s BAD\n",
- bond->current_arp_slave->dev->name,
- bond->curr_active_slave->dev->name);
+ pr_info("PROBE: c_arp %s && cas %s BAD\n",
+ bond->current_arp_slave->dev->name,
+ bond->curr_active_slave->dev->name);
if (bond->curr_active_slave) {
bond_arp_send_all(bond, bond->curr_active_slave);
@@ -3065,9 +2993,8 @@ static void bond_ab_arp_probe(struct bonding *bond)
bond_set_slave_inactive_flags(slave);
- pr_info(DRV_NAME
- ": %s: backup interface %s is now down.\n",
- bond->dev->name, slave->dev->name);
+ pr_info("%s: backup interface %s is now down.\n",
+ bond->dev->name, slave->dev->name);
}
}
}
@@ -3201,11 +3128,14 @@ static void bond_info_show_master(struct seq_file *seq)
}
if (USES_PRIMARY(bond->params.mode)) {
- seq_printf(seq, "Primary Slave: %s\n",
+ seq_printf(seq, "Primary Slave: %s",
(bond->primary_slave) ?
bond->primary_slave->dev->name : "None");
+ if (bond->primary_slave)
+ seq_printf(seq, " (primary_reselect %s)",
+ pri_reselect_tbl[bond->params.primary_reselect].modename);
- seq_printf(seq, "Currently Active Slave: %s\n",
+ seq_printf(seq, "\nCurrently Active Slave: %s\n",
(curr) ? curr->dev->name : "None");
}
@@ -3334,29 +3264,30 @@ static const struct file_operations bond_info_fops = {
.release = seq_release,
};
-static int bond_create_proc_entry(struct bonding *bond)
+static void bond_create_proc_entry(struct bonding *bond)
{
struct net_device *bond_dev = bond->dev;
+ struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
- if (bond_proc_dir) {
+ if (bn->proc_dir) {
bond->proc_entry = proc_create_data(bond_dev->name,
- S_IRUGO, bond_proc_dir,
+ S_IRUGO, bn->proc_dir,
&bond_info_fops, bond);
if (bond->proc_entry == NULL)
- pr_warning(DRV_NAME
- ": Warning: Cannot create /proc/net/%s/%s\n",
- DRV_NAME, bond_dev->name);
+ pr_warning("Warning: Cannot create /proc/net/%s/%s\n",
+ DRV_NAME, bond_dev->name);
else
memcpy(bond->proc_file_name, bond_dev->name, IFNAMSIZ);
}
-
- return 0;
}
static void bond_remove_proc_entry(struct bonding *bond)
{
- if (bond_proc_dir && bond->proc_entry) {
- remove_proc_entry(bond->proc_file_name, bond_proc_dir);
+ struct net_device *bond_dev = bond->dev;
+ struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
+
+ if (bn->proc_dir && bond->proc_entry) {
+ remove_proc_entry(bond->proc_file_name, bn->proc_dir);
memset(bond->proc_file_name, 0, IFNAMSIZ);
bond->proc_entry = NULL;
}
@@ -3365,31 +3296,30 @@ static void bond_remove_proc_entry(struct bonding *bond)
/* Create the bonding directory under /proc/net, if doesn't exist yet.
* Caller must hold rtnl_lock.
*/
-static void bond_create_proc_dir(void)
+static void bond_create_proc_dir(struct bond_net *bn)
{
- if (!bond_proc_dir) {
- bond_proc_dir = proc_mkdir(DRV_NAME, init_net.proc_net);
- if (!bond_proc_dir)
- pr_warning(DRV_NAME
- ": Warning: cannot create /proc/net/%s\n",
- DRV_NAME);
+ if (!bn->proc_dir) {
+ bn->proc_dir = proc_mkdir(DRV_NAME, bn->net->proc_net);
+ if (!bn->proc_dir)
+ pr_warning("Warning: cannot create /proc/net/%s\n",
+ DRV_NAME);
}
}
/* Destroy the bonding directory under /proc/net, if empty.
* Caller must hold rtnl_lock.
*/
-static void bond_destroy_proc_dir(void)
+static void bond_destroy_proc_dir(struct bond_net *bn)
{
- if (bond_proc_dir) {
- remove_proc_entry(DRV_NAME, init_net.proc_net);
- bond_proc_dir = NULL;
+ if (bn->proc_dir) {
+ remove_proc_entry(DRV_NAME, bn->net->proc_net);
+ bn->proc_dir = NULL;
}
}
#else /* !CONFIG_PROC_FS */
-static int bond_create_proc_entry(struct bonding *bond)
+static void bond_create_proc_entry(struct bonding *bond)
{
}
@@ -3397,11 +3327,11 @@ static void bond_remove_proc_entry(struct bonding *bond)
{
}
-static void bond_create_proc_dir(void)
+static void bond_create_proc_dir(struct bond_net *bn)
{
}
-static void bond_destroy_proc_dir(void)
+static void bond_destroy_proc_dir(struct bond_net *bn)
{
}
@@ -3418,9 +3348,6 @@ static int bond_event_changename(struct bonding *bond)
bond_remove_proc_entry(bond);
bond_create_proc_entry(bond);
- bond_destroy_sysfs_entry(bond);
- bond_create_sysfs_entry(bond);
-
return NOTIFY_DONE;
}
@@ -3432,9 +3359,6 @@ static int bond_master_netdev_event(unsigned long event,
switch (event) {
case NETDEV_CHANGENAME:
return bond_event_changename(event_bond);
- case NETDEV_UNREGISTER:
- bond_release_all(event_bond->dev);
- break;
default:
break;
}
@@ -3526,12 +3450,9 @@ static int bond_netdev_event(struct notifier_block *this,
{
struct net_device *event_dev = (struct net_device *)ptr;
- if (dev_net(event_dev) != &init_net)
- return NOTIFY_DONE;
-
pr_debug("event_dev: %s, event: %lx\n",
- (event_dev ? event_dev->name : "None"),
- event);
+ event_dev ? event_dev->name : "None",
+ event);
if (!(event_dev->priv_flags & IFF_BONDING))
return NOTIFY_DONE;
@@ -3561,13 +3482,11 @@ static int bond_inetaddr_event(struct notifier_block *this, unsigned long event,
{
struct in_ifaddr *ifa = ptr;
struct net_device *vlan_dev, *event_dev = ifa->ifa_dev->dev;
+ struct bond_net *bn = net_generic(dev_net(event_dev), bond_net_id);
struct bonding *bond;
struct vlan_entry *vlan;
- if (dev_net(ifa->ifa_dev->dev) != &init_net)
- return NOTIFY_DONE;
-
- list_for_each_entry(bond, &bond_dev_list, bond_list) {
+ list_for_each_entry(bond, &bn->dev_list, bond_list) {
if (bond->dev == event_dev) {
switch (event) {
case NETDEV_UP:
@@ -3657,18 +3576,17 @@ void bond_unregister_arp(struct bonding *bond)
* Hash for the output device based upon layer 2 and layer 3 data. If
* the packet is not IP mimic bond_xmit_hash_policy_l2()
*/
-static int bond_xmit_hash_policy_l23(struct sk_buff *skb,
- struct net_device *bond_dev, int count)
+static int bond_xmit_hash_policy_l23(struct sk_buff *skb, int count)
{
struct ethhdr *data = (struct ethhdr *)skb->data;
struct iphdr *iph = ip_hdr(skb);
if (skb->protocol == htons(ETH_P_IP)) {
return ((ntohl(iph->saddr ^ iph->daddr) & 0xffff) ^
- (data->h_dest[5] ^ bond_dev->dev_addr[5])) % count;
+ (data->h_dest[5] ^ data->h_source[5])) % count;
}
- return (data->h_dest[5] ^ bond_dev->dev_addr[5]) % count;
+ return (data->h_dest[5] ^ data->h_source[5]) % count;
}
/*
@@ -3676,8 +3594,7 @@ static int bond_xmit_hash_policy_l23(struct sk_buff *skb,
* the packet is a frag or not TCP or UDP, just use layer 3 data. If it is
* altogether not IP, mimic bond_xmit_hash_policy_l2()
*/
-static int bond_xmit_hash_policy_l34(struct sk_buff *skb,
- struct net_device *bond_dev, int count)
+static int bond_xmit_hash_policy_l34(struct sk_buff *skb, int count)
{
struct ethhdr *data = (struct ethhdr *)skb->data;
struct iphdr *iph = ip_hdr(skb);
@@ -3695,18 +3612,17 @@ static int bond_xmit_hash_policy_l34(struct sk_buff *skb,
}
- return (data->h_dest[5] ^ bond_dev->dev_addr[5]) % count;
+ return (data->h_dest[5] ^ data->h_source[5]) % count;
}
/*
* Hash for the output device based upon layer 2 data
*/
-static int bond_xmit_hash_policy_l2(struct sk_buff *skb,
- struct net_device *bond_dev, int count)
+static int bond_xmit_hash_policy_l2(struct sk_buff *skb, int count)
{
struct ethhdr *data = (struct ethhdr *)skb->data;
- return (data->h_dest[5] ^ bond_dev->dev_addr[5]) % count;
+ return (data->h_dest[5] ^ data->h_source[5]) % count;
}
/*-------------------------- Device entry points ----------------------------*/
@@ -3723,7 +3639,7 @@ static int bond_open(struct net_device *bond_dev)
*/
if (bond_alb_initialize(bond, (bond->params.mode == BOND_MODE_ALB))) {
/* something went wrong - fail the open operation */
- return -1;
+ return -ENOMEM;
}
INIT_DELAYED_WORK(&bond->alb_work, bond_alb_monitor);
@@ -3871,8 +3787,7 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
struct mii_ioctl_data *mii = NULL;
int res = 0;
- pr_debug("bond_ioctl: master=%s, cmd=%d\n",
- bond_dev->name, cmd);
+ pr_debug("bond_ioctl: master=%s, cmd=%d\n", bond_dev->name, cmd);
switch (cmd) {
case SIOCGMIIPHY:
@@ -3939,14 +3854,14 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- slave_dev = dev_get_by_name(&init_net, ifr->ifr_slave);
+ slave_dev = dev_get_by_name(dev_net(bond_dev), ifr->ifr_slave);
- pr_debug("slave_dev=%p: \n", slave_dev);
+ pr_debug("slave_dev=%p:\n", slave_dev);
if (!slave_dev)
res = -ENODEV;
else {
- pr_debug("slave_dev->name=%s: \n", slave_dev->name);
+ pr_debug("slave_dev->name=%s:\n", slave_dev->name);
switch (cmd) {
case BOND_ENSLAVE_OLD:
case SIOCBONDENSLAVE:
@@ -4055,7 +3970,7 @@ static int bond_change_mtu(struct net_device *bond_dev, int new_mtu)
int i;
pr_debug("bond=%p, name=%s, new_mtu=%d\n", bond,
- (bond_dev ? bond_dev->name : "None"), new_mtu);
+ (bond_dev ? bond_dev->name : "None"), new_mtu);
/* Can't hold bond->lock with bh disabled here since
* some base drivers panic. On the other hand we can't
@@ -4073,8 +3988,10 @@ static int bond_change_mtu(struct net_device *bond_dev, int new_mtu)
*/
bond_for_each_slave(bond, slave, i) {
- pr_debug("s %p s->p %p c_m %p\n", slave,
- slave->prev, slave->dev->netdev_ops->ndo_change_mtu);
+ pr_debug("s %p s->p %p c_m %p\n",
+ slave,
+ slave->prev,
+ slave->dev->netdev_ops->ndo_change_mtu);
res = dev_set_mtu(slave->dev, new_mtu);
@@ -4104,8 +4021,8 @@ unwind:
tmp_res = dev_set_mtu(slave->dev, bond_dev->mtu);
if (tmp_res) {
- pr_debug("unwind err %d dev %s\n", tmp_res,
- slave->dev->name);
+ pr_debug("unwind err %d dev %s\n",
+ tmp_res, slave->dev->name);
}
}
@@ -4131,7 +4048,8 @@ static int bond_set_mac_address(struct net_device *bond_dev, void *addr)
return bond_alb_set_mac_address(bond_dev, addr);
- pr_debug("bond=%p, name=%s\n", bond, (bond_dev ? bond_dev->name : "None"));
+ pr_debug("bond=%p, name=%s\n",
+ bond, bond_dev ? bond_dev->name : "None");
/*
* If fail_over_mac is set to active, do nothing and return
@@ -4196,8 +4114,8 @@ unwind:
tmp_res = dev_set_mac_address(slave->dev, &tmp_sa);
if (tmp_res) {
- pr_debug("unwind err %d dev %s\n", tmp_res,
- slave->dev->name);
+ pr_debug("unwind err %d dev %s\n",
+ tmp_res, slave->dev->name);
}
}
@@ -4295,7 +4213,7 @@ static int bond_xmit_xor(struct sk_buff *skb, struct net_device *bond_dev)
if (!BOND_IS_OK(bond))
goto out;
- slave_no = bond->xmit_hash_policy(skb, bond_dev, bond->slave_cnt);
+ slave_no = bond->xmit_hash_policy(skb, bond->slave_cnt);
bond_for_each_slave(bond, slave, i) {
slave_no--;
@@ -4353,9 +4271,7 @@ static int bond_xmit_broadcast(struct sk_buff *skb, struct net_device *bond_dev)
if (tx_dev) {
struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC);
if (!skb2) {
- pr_err(DRV_NAME
- ": %s: Error: bond_xmit_broadcast(): "
- "skb_clone() failed\n",
+ pr_err("%s: Error: bond_xmit_broadcast(): skb_clone() failed\n",
bond_dev->name);
continue;
}
@@ -4421,8 +4337,8 @@ static netdev_tx_t bond_start_xmit(struct sk_buff *skb, struct net_device *dev)
return bond_alb_xmit(skb, dev);
default:
/* Should never happen, mode already checked */
- pr_err(DRV_NAME ": %s: Error: Unknown bonding mode %d\n",
- dev->name, bond->params.mode);
+ pr_err("%s: Error: Unknown bonding mode %d\n",
+ dev->name, bond->params.mode);
WARN_ON_ONCE(1);
dev_kfree_skb(skb);
return NETDEV_TX_OK;
@@ -4458,10 +4374,8 @@ void bond_set_mode_ops(struct bonding *bond, int mode)
break;
default:
/* Should never happen, mode already checked */
- pr_err(DRV_NAME
- ": %s: Error: Unknown bonding mode %d\n",
- bond_dev->name,
- mode);
+ pr_err("%s: Error: Unknown bonding mode %d\n",
+ bond_dev->name, mode);
break;
}
}
@@ -4576,37 +4490,29 @@ static void bond_work_cancel_all(struct bonding *bond)
cancel_delayed_work(&bond->ad_work);
}
-/* De-initialize device specific data.
- * Caller must hold rtnl_lock.
- */
-static void bond_deinit(struct net_device *bond_dev)
+/*
+* Destroy a bonding device.
+* Must be under rtnl_lock when this function is called.
+*/
+static void bond_uninit(struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
+ /* Release the bonded slaves */
+ bond_release_all(bond_dev);
+
list_del(&bond->bond_list);
bond_work_cancel_all(bond);
bond_remove_proc_entry(bond);
-}
-
-/* Unregister and free all bond devices.
- * Caller must hold rtnl_lock.
- */
-static void bond_free_all(void)
-{
- struct bonding *bond, *nxt;
- list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) {
- struct net_device *bond_dev = bond->dev;
-
- bond_work_cancel_all(bond);
- /* Release the bonded slaves */
- bond_release_all(bond_dev);
- unregister_netdevice(bond_dev);
- }
+ if (bond->wq)
+ destroy_workqueue(bond->wq);
- bond_destroy_proc_dir();
+ netif_addr_lock_bh(bond_dev);
+ bond_mc_list_destroy(bond);
+ netif_addr_unlock_bh(bond_dev);
}
/*------------------------- Module initialization ---------------------------*/
@@ -4646,7 +4552,7 @@ int bond_parse_parm(const char *buf, const struct bond_parm_tbl *tbl)
static int bond_check_params(struct bond_params *params)
{
- int arp_validate_value, fail_over_mac_value;
+ int arp_validate_value, fail_over_mac_value, primary_reselect_value;
/*
* Convert string parameters.
@@ -4654,8 +4560,7 @@ static int bond_check_params(struct bond_params *params)
if (mode) {
bond_mode = bond_parse_parm(mode, bond_mode_tbl);
if (bond_mode == -1) {
- pr_err(DRV_NAME
- ": Error: Invalid bonding mode \"%s\"\n",
+ pr_err("Error: Invalid bonding mode \"%s\"\n",
mode == NULL ? "NULL" : mode);
return -EINVAL;
}
@@ -4664,15 +4569,13 @@ static int bond_check_params(struct bond_params *params)
if (xmit_hash_policy) {
if ((bond_mode != BOND_MODE_XOR) &&
(bond_mode != BOND_MODE_8023AD)) {
- pr_info(DRV_NAME
- ": xor_mode param is irrelevant in mode %s\n",
+ pr_info("xmit_hash_policy param is irrelevant in mode %s\n",
bond_mode_name(bond_mode));
} else {
xmit_hashtype = bond_parse_parm(xmit_hash_policy,
xmit_hashtype_tbl);
if (xmit_hashtype == -1) {
- pr_err(DRV_NAME
- ": Error: Invalid xmit_hash_policy \"%s\"\n",
+ pr_err("Error: Invalid xmit_hash_policy \"%s\"\n",
xmit_hash_policy == NULL ? "NULL" :
xmit_hash_policy);
return -EINVAL;
@@ -4682,14 +4585,12 @@ static int bond_check_params(struct bond_params *params)
if (lacp_rate) {
if (bond_mode != BOND_MODE_8023AD) {
- pr_info(DRV_NAME
- ": lacp_rate param is irrelevant in mode %s\n",
- bond_mode_name(bond_mode));
+ pr_info("lacp_rate param is irrelevant in mode %s\n",
+ bond_mode_name(bond_mode));
} else {
lacp_fast = bond_parse_parm(lacp_rate, bond_lacp_tbl);
if (lacp_fast == -1) {
- pr_err(DRV_NAME
- ": Error: Invalid lacp rate \"%s\"\n",
+ pr_err("Error: Invalid lacp rate \"%s\"\n",
lacp_rate == NULL ? "NULL" : lacp_rate);
return -EINVAL;
}
@@ -4699,82 +4600,64 @@ static int bond_check_params(struct bond_params *params)
if (ad_select) {
params->ad_select = bond_parse_parm(ad_select, ad_select_tbl);
if (params->ad_select == -1) {
- pr_err(DRV_NAME
- ": Error: Invalid ad_select \"%s\"\n",
+ pr_err("Error: Invalid ad_select \"%s\"\n",
ad_select == NULL ? "NULL" : ad_select);
return -EINVAL;
}
if (bond_mode != BOND_MODE_8023AD) {
- pr_warning(DRV_NAME
- ": ad_select param only affects 802.3ad mode\n");
+ pr_warning("ad_select param only affects 802.3ad mode\n");
}
} else {
params->ad_select = BOND_AD_STABLE;
}
if (max_bonds < 0) {
- pr_warning(DRV_NAME
- ": Warning: max_bonds (%d) not in range %d-%d, so it "
- "was reset to BOND_DEFAULT_MAX_BONDS (%d)\n",
- max_bonds, 0, INT_MAX, BOND_DEFAULT_MAX_BONDS);
+ pr_warning("Warning: max_bonds (%d) not in range %d-%d, so it was reset to BOND_DEFAULT_MAX_BONDS (%d)\n",
+ max_bonds, 0, INT_MAX, BOND_DEFAULT_MAX_BONDS);
max_bonds = BOND_DEFAULT_MAX_BONDS;
}
if (miimon < 0) {
- pr_warning(DRV_NAME
- ": Warning: miimon module parameter (%d), "
- "not in range 0-%d, so it was reset to %d\n",
- miimon, INT_MAX, BOND_LINK_MON_INTERV);
+ pr_warning("Warning: miimon module parameter (%d), not in range 0-%d, so it was reset to %d\n",
+ miimon, INT_MAX, BOND_LINK_MON_INTERV);
miimon = BOND_LINK_MON_INTERV;
}
if (updelay < 0) {
- pr_warning(DRV_NAME
- ": Warning: updelay module parameter (%d), "
- "not in range 0-%d, so it was reset to 0\n",
- updelay, INT_MAX);
+ pr_warning("Warning: updelay module parameter (%d), not in range 0-%d, so it was reset to 0\n",
+ updelay, INT_MAX);
updelay = 0;
}
if (downdelay < 0) {
- pr_warning(DRV_NAME
- ": Warning: downdelay module parameter (%d), "
- "not in range 0-%d, so it was reset to 0\n",
- downdelay, INT_MAX);
+ pr_warning("Warning: downdelay module parameter (%d), not in range 0-%d, so it was reset to 0\n",
+ downdelay, INT_MAX);
downdelay = 0;
}
if ((use_carrier != 0) && (use_carrier != 1)) {
- pr_warning(DRV_NAME
- ": Warning: use_carrier module parameter (%d), "
- "not of valid value (0/1), so it was set to 1\n",
- use_carrier);
+ pr_warning("Warning: use_carrier module parameter (%d), not of valid value (0/1), so it was set to 1\n",
+ use_carrier);
use_carrier = 1;
}
if (num_grat_arp < 0 || num_grat_arp > 255) {
- pr_warning(DRV_NAME
- ": Warning: num_grat_arp (%d) not in range 0-255 so it "
- "was reset to 1 \n", num_grat_arp);
+ pr_warning("Warning: num_grat_arp (%d) not in range 0-255 so it was reset to 1 \n",
+ num_grat_arp);
num_grat_arp = 1;
}
if (num_unsol_na < 0 || num_unsol_na > 255) {
- pr_warning(DRV_NAME
- ": Warning: num_unsol_na (%d) not in range 0-255 so it "
- "was reset to 1 \n", num_unsol_na);
+ pr_warning("Warning: num_unsol_na (%d) not in range 0-255 so it was reset to 1 \n",
+ num_unsol_na);
num_unsol_na = 1;
}
/* reset values for 802.3ad */
if (bond_mode == BOND_MODE_8023AD) {
if (!miimon) {
- pr_warning(DRV_NAME
- ": Warning: miimon must be specified, "
- "otherwise bonding will not detect link "
- "failure, speed and duplex which are "
- "essential for 802.3ad operation\n");
+ pr_warning("Warning: miimon must be specified, otherwise bonding will not detect link failure, speed and duplex which are essential for 802.3ad operation\n");
pr_warning("Forcing miimon to 100msec\n");
miimon = 100;
}
@@ -4784,24 +4667,15 @@ static int bond_check_params(struct bond_params *params)
if ((bond_mode == BOND_MODE_TLB) ||
(bond_mode == BOND_MODE_ALB)) {
if (!miimon) {
- pr_warning(DRV_NAME
- ": Warning: miimon must be specified, "
- "otherwise bonding will not detect link "
- "failure and link speed which are essential "
- "for TLB/ALB load balancing\n");
+ pr_warning("Warning: miimon must be specified, otherwise bonding will not detect link failure and link speed which are essential for TLB/ALB load balancing\n");
pr_warning("Forcing miimon to 100msec\n");
miimon = 100;
}
}
if (bond_mode == BOND_MODE_ALB) {
- pr_notice(DRV_NAME
- ": In ALB mode you might experience client "
- "disconnections upon reconnection of a link if the "
- "bonding module updelay parameter (%d msec) is "
- "incompatible with the forwarding delay time of the "
- "switch\n",
- updelay);
+ pr_notice("In ALB mode you might experience client disconnections upon reconnection of a link if the bonding module updelay parameter (%d msec) is incompatible with the forwarding delay time of the switch\n",
+ updelay);
}
if (!miimon) {
@@ -4809,49 +4683,37 @@ static int bond_check_params(struct bond_params *params)
/* just warn the user the up/down delay will have
* no effect since miimon is zero...
*/
- pr_warning(DRV_NAME
- ": Warning: miimon module parameter not set "
- "and updelay (%d) or downdelay (%d) module "
- "parameter is set; updelay and downdelay have "
- "no effect unless miimon is set\n",
- updelay, downdelay);
+ pr_warning("Warning: miimon module parameter not set and updelay (%d) or downdelay (%d) module parameter is set; updelay and downdelay have no effect unless miimon is set\n",
+ updelay, downdelay);
}
} else {
/* don't allow arp monitoring */
if (arp_interval) {
- pr_warning(DRV_NAME
- ": Warning: miimon (%d) and arp_interval (%d) "
- "can't be used simultaneously, disabling ARP "
- "monitoring\n",
- miimon, arp_interval);
+ pr_warning("Warning: miimon (%d) and arp_interval (%d) can't be used simultaneously, disabling ARP monitoring\n",
+ miimon, arp_interval);
arp_interval = 0;
}
if ((updelay % miimon) != 0) {
- pr_warning(DRV_NAME
- ": Warning: updelay (%d) is not a multiple "
- "of miimon (%d), updelay rounded to %d ms\n",
- updelay, miimon, (updelay / miimon) * miimon);
+ pr_warning("Warning: updelay (%d) is not a multiple of miimon (%d), updelay rounded to %d ms\n",
+ updelay, miimon,
+ (updelay / miimon) * miimon);
}
updelay /= miimon;
if ((downdelay % miimon) != 0) {
- pr_warning(DRV_NAME
- ": Warning: downdelay (%d) is not a multiple "
- "of miimon (%d), downdelay rounded to %d ms\n",
- downdelay, miimon,
- (downdelay / miimon) * miimon);
+ pr_warning("Warning: downdelay (%d) is not a multiple of miimon (%d), downdelay rounded to %d ms\n",
+ downdelay, miimon,
+ (downdelay / miimon) * miimon);
}
downdelay /= miimon;
}
if (arp_interval < 0) {
- pr_warning(DRV_NAME
- ": Warning: arp_interval module parameter (%d) "
- ", not in range 0-%d, so it was reset to %d\n",
- arp_interval, INT_MAX, BOND_LINK_ARP_INTERV);
+ pr_warning("Warning: arp_interval module parameter (%d) , not in range 0-%d, so it was reset to %d\n",
+ arp_interval, INT_MAX, BOND_LINK_ARP_INTERV);
arp_interval = BOND_LINK_ARP_INTERV;
}
@@ -4861,10 +4723,8 @@ static int bond_check_params(struct bond_params *params)
/* not complete check, but should be good enough to
catch mistakes */
if (!isdigit(arp_ip_target[arp_ip_count][0])) {
- pr_warning(DRV_NAME
- ": Warning: bad arp_ip_target module parameter "
- "(%s), ARP monitoring will not be performed\n",
- arp_ip_target[arp_ip_count]);
+ pr_warning("Warning: bad arp_ip_target module parameter (%s), ARP monitoring will not be performed\n",
+ arp_ip_target[arp_ip_count]);
arp_interval = 0;
} else {
__be32 ip = in_aton(arp_ip_target[arp_ip_count]);
@@ -4874,31 +4734,25 @@ static int bond_check_params(struct bond_params *params)
if (arp_interval && !arp_ip_count) {
/* don't allow arping if no arp_ip_target given... */
- pr_warning(DRV_NAME
- ": Warning: arp_interval module parameter (%d) "
- "specified without providing an arp_ip_target "
- "parameter, arp_interval was reset to 0\n",
- arp_interval);
+ pr_warning("Warning: arp_interval module parameter (%d) specified without providing an arp_ip_target parameter, arp_interval was reset to 0\n",
+ arp_interval);
arp_interval = 0;
}
if (arp_validate) {
if (bond_mode != BOND_MODE_ACTIVEBACKUP) {
- pr_err(DRV_NAME
- ": arp_validate only supported in active-backup mode\n");
+ pr_err("arp_validate only supported in active-backup mode\n");
return -EINVAL;
}
if (!arp_interval) {
- pr_err(DRV_NAME
- ": arp_validate requires arp_interval\n");
+ pr_err("arp_validate requires arp_interval\n");
return -EINVAL;
}
arp_validate_value = bond_parse_parm(arp_validate,
arp_validate_tbl);
if (arp_validate_value == -1) {
- pr_err(DRV_NAME
- ": Error: invalid arp_validate \"%s\"\n",
+ pr_err("Error: invalid arp_validate \"%s\"\n",
arp_validate == NULL ? "NULL" : arp_validate);
return -EINVAL;
}
@@ -4906,17 +4760,14 @@ static int bond_check_params(struct bond_params *params)
arp_validate_value = 0;
if (miimon) {
- pr_info(DRV_NAME
- ": MII link monitoring set to %d ms\n",
- miimon);
+ pr_info("MII link monitoring set to %d ms\n", miimon);
} else if (arp_interval) {
int i;
- pr_info(DRV_NAME ": ARP monitoring set to %d ms,"
- " validate %s, with %d target(s):",
- arp_interval,
- arp_validate_tbl[arp_validate_value].modename,
- arp_ip_count);
+ pr_info("ARP monitoring set to %d ms, validate %s, with %d target(s):",
+ arp_interval,
+ arp_validate_tbl[arp_validate_value].modename,
+ arp_ip_count);
for (i = 0; i < arp_ip_count; i++)
pr_info(" %s", arp_ip_target[i]);
@@ -4927,38 +4778,42 @@ static int bond_check_params(struct bond_params *params)
/* miimon and arp_interval not set, we need one so things
* work as expected, see bonding.txt for details
*/
- pr_warning(DRV_NAME
- ": Warning: either miimon or arp_interval and "
- "arp_ip_target module parameters must be specified, "
- "otherwise bonding will not detect link failures! see "
- "bonding.txt for details.\n");
+ pr_warning("Warning: either miimon or arp_interval and arp_ip_target module parameters must be specified, otherwise bonding will not detect link failures! see bonding.txt for details.\n");
}
if (primary && !USES_PRIMARY(bond_mode)) {
/* currently, using a primary only makes sense
* in active backup, TLB or ALB modes
*/
- pr_warning(DRV_NAME
- ": Warning: %s primary device specified but has no "
- "effect in %s mode\n",
- primary, bond_mode_name(bond_mode));
+ pr_warning("Warning: %s primary device specified but has no effect in %s mode\n",
+ primary, bond_mode_name(bond_mode));
primary = NULL;
}
+ if (primary && primary_reselect) {
+ primary_reselect_value = bond_parse_parm(primary_reselect,
+ pri_reselect_tbl);
+ if (primary_reselect_value == -1) {
+ pr_err("Error: Invalid primary_reselect \"%s\"\n",
+ primary_reselect ==
+ NULL ? "NULL" : primary_reselect);
+ return -EINVAL;
+ }
+ } else {
+ primary_reselect_value = BOND_PRI_RESELECT_ALWAYS;
+ }
+
if (fail_over_mac) {
fail_over_mac_value = bond_parse_parm(fail_over_mac,
fail_over_mac_tbl);
if (fail_over_mac_value == -1) {
- pr_err(DRV_NAME
- ": Error: invalid fail_over_mac \"%s\"\n",
+ pr_err("Error: invalid fail_over_mac \"%s\"\n",
arp_validate == NULL ? "NULL" : arp_validate);
return -EINVAL;
}
if (bond_mode != BOND_MODE_ACTIVEBACKUP)
- pr_warning(DRV_NAME
- ": Warning: fail_over_mac only affects "
- "active-backup mode.\n");
+ pr_warning("Warning: fail_over_mac only affects active-backup mode.\n");
} else {
fail_over_mac_value = BOND_FOM_NONE;
}
@@ -4976,6 +4831,7 @@ static int bond_check_params(struct bond_params *params)
params->use_carrier = use_carrier;
params->lacp_fast = lacp_fast;
params->primary[0] = 0;
+ params->primary_reselect = primary_reselect_value;
params->fail_over_mac = fail_over_mac_value;
if (primary) {
@@ -5012,6 +4868,7 @@ static void bond_set_lockdep_class(struct net_device *dev)
static int bond_init(struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
+ struct bond_net *bn = net_generic(dev_net(bond_dev), bond_net_id);
pr_debug("Begin bond_init for %s\n", bond_dev->name);
@@ -5024,40 +4881,53 @@ static int bond_init(struct net_device *bond_dev)
netif_carrier_off(bond_dev);
bond_create_proc_entry(bond);
- list_add_tail(&bond->bond_list, &bond_dev_list);
+ list_add_tail(&bond->bond_list, &bn->dev_list);
+
+ bond_prepare_sysfs_group(bond);
+ return 0;
+}
+static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
+{
+ if (tb[IFLA_ADDRESS]) {
+ if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
+ return -EINVAL;
+ if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
+ return -EADDRNOTAVAIL;
+ }
return 0;
}
+static struct rtnl_link_ops bond_link_ops __read_mostly = {
+ .kind = "bond",
+ .priv_size = sizeof(struct bonding),
+ .setup = bond_setup,
+ .validate = bond_validate,
+};
+
/* Create a new bond based on the specified name and bonding parameters.
* If name is NULL, obtain a suitable "bond%d" name for us.
* Caller must NOT hold rtnl_lock; we need to release it here before we
* set up our sysfs entries.
*/
-int bond_create(const char *name)
+int bond_create(struct net *net, const char *name)
{
struct net_device *bond_dev;
int res;
rtnl_lock();
- /* Check to see if the bond already exists. */
- /* FIXME: pass netns from caller */
- if (name && __dev_get_by_name(&init_net, name)) {
- pr_err(DRV_NAME ": cannot add bond %s; already exists\n",
- name);
- res = -EEXIST;
- goto out_rtnl;
- }
bond_dev = alloc_netdev(sizeof(struct bonding), name ? name : "",
bond_setup);
if (!bond_dev) {
- pr_err(DRV_NAME ": %s: eek! can't alloc netdev!\n",
- name);
+ pr_err("%s: eek! can't alloc netdev!\n", name);
res = -ENOMEM;
- goto out_rtnl;
+ goto out;
}
+ dev_net_set(bond_dev, net);
+ bond_dev->rtnl_link_ops = &bond_link_ops;
+
if (!name) {
res = dev_alloc_name(bond_dev, "bond%d");
if (res < 0)
@@ -5065,27 +4935,41 @@ int bond_create(const char *name)
}
res = register_netdevice(bond_dev);
- if (res < 0)
- goto out_bond;
-
- res = bond_create_sysfs_entry(netdev_priv(bond_dev));
- if (res < 0)
- goto out_unreg;
+out:
rtnl_unlock();
- return 0;
-
-out_unreg:
- unregister_netdevice(bond_dev);
-out_bond:
- bond_deinit(bond_dev);
+ return res;
out_netdev:
free_netdev(bond_dev);
-out_rtnl:
- rtnl_unlock();
- return res;
+ goto out;
+}
+
+static int bond_net_init(struct net *net)
+{
+ struct bond_net *bn = net_generic(net, bond_net_id);
+
+ bn->net = net;
+ INIT_LIST_HEAD(&bn->dev_list);
+
+ bond_create_proc_dir(bn);
+
+ return 0;
+}
+
+static void bond_net_exit(struct net *net)
+{
+ struct bond_net *bn = net_generic(net, bond_net_id);
+
+ bond_destroy_proc_dir(bn);
}
+static struct pernet_operations bond_net_ops = {
+ .init = bond_net_init,
+ .exit = bond_net_exit,
+ .id = &bond_net_id,
+ .size = sizeof(struct bond_net),
+};
+
static int __init bonding_init(void)
{
int i;
@@ -5097,10 +4981,16 @@ static int __init bonding_init(void)
if (res)
goto out;
- bond_create_proc_dir();
+ res = register_pernet_subsys(&bond_net_ops);
+ if (res)
+ goto out;
+
+ res = rtnl_link_register(&bond_link_ops);
+ if (res)
+ goto err_link;
for (i = 0; i < max_bonds; i++) {
- res = bond_create(NULL);
+ res = bond_create(&init_net, NULL);
if (res)
goto err;
}
@@ -5112,14 +5002,13 @@ static int __init bonding_init(void)
register_netdevice_notifier(&bond_netdev_notifier);
register_inetaddr_notifier(&bond_inetaddr_notifier);
bond_register_ipv6_notifier();
-
- goto out;
-err:
- rtnl_lock();
- bond_free_all();
- rtnl_unlock();
out:
return res;
+err:
+ rtnl_link_unregister(&bond_link_ops);
+err_link:
+ unregister_pernet_subsys(&bond_net_ops);
+ goto out;
}
@@ -5131,9 +5020,8 @@ static void __exit bonding_exit(void)
bond_destroy_sysfs();
- rtnl_lock();
- bond_free_all();
- rtnl_unlock();
+ rtnl_link_unregister(&bond_link_ops);
+ unregister_pernet_subsys(&bond_net_ops);
}
module_init(bonding_init);
@@ -5142,3 +5030,4 @@ MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
MODULE_DESCRIPTION(DRV_DESCRIPTION ", v" DRV_VERSION);
MODULE_AUTHOR("Thomas Davis, tadavis@lbl.gov and many others");
+MODULE_ALIAS_RTNL_LINK("bond");
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-28 02:15:12 +0300