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-rw-r--r--drivers/net/bonding/bond_main.c32
-rw-r--r--drivers/net/bonding/bonding.h7
2 files changed, 13 insertions, 26 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 8032126fd589..94cec3cf2a13 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1604,35 +1604,27 @@ static int bond_sethwaddr(struct net_device *bond_dev, struct net_device *slave_
(NETIF_F_SG|NETIF_F_IP_CSUM|NETIF_F_NO_CSUM|NETIF_F_HW_CSUM)
/*
- * Compute the features available to the bonding device by
- * intersection of all of the slave devices' BOND_INTERSECT_FEATURES.
- * Call this after attaching or detaching a slave to update the
- * bond's features.
+ * Compute the common dev->feature set available to all slaves. Some
+ * feature bits are managed elsewhere, so preserve feature bits set on
+ * master device that are not part of the examined set.
*/
static int bond_compute_features(struct bonding *bond)
{
- int i;
+ unsigned long features = BOND_INTERSECT_FEATURES;
struct slave *slave;
struct net_device *bond_dev = bond->dev;
- int features = bond->bond_features;
+ int i;
- bond_for_each_slave(bond, slave, i) {
- struct net_device * slave_dev = slave->dev;
- if (i == 0) {
- features |= BOND_INTERSECT_FEATURES;
- }
- features &=
- ~(~slave_dev->features & BOND_INTERSECT_FEATURES);
- }
+ bond_for_each_slave(bond, slave, i)
+ features &= (slave->dev->features & BOND_INTERSECT_FEATURES);
- /* turn off NETIF_F_SG if we need a csum and h/w can't do it */
if ((features & NETIF_F_SG) &&
- !(features & (NETIF_F_IP_CSUM |
- NETIF_F_NO_CSUM |
- NETIF_F_HW_CSUM))) {
+ !(features & (NETIF_F_IP_CSUM |
+ NETIF_F_NO_CSUM |
+ NETIF_F_HW_CSUM)))
features &= ~NETIF_F_SG;
- }
+ features |= (bond_dev->features & ~BOND_INTERSECT_FEATURES);
bond_dev->features = features;
return 0;
@@ -4561,8 +4553,6 @@ static int __init bond_init(struct net_device *bond_dev, struct bond_params *par
NETIF_F_HW_VLAN_RX |
NETIF_F_HW_VLAN_FILTER);
- bond->bond_features = bond_dev->features;
-
#ifdef CONFIG_PROC_FS
bond_create_proc_entry(bond);
#endif
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index bbf9da8af624..1433e91db0f7 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -40,8 +40,8 @@
#include "bond_3ad.h"
#include "bond_alb.h"
-#define DRV_VERSION "2.6.4"
-#define DRV_RELDATE "September 26, 2005"
+#define DRV_VERSION "2.6.5"
+#define DRV_RELDATE "November 4, 2005"
#define DRV_NAME "bonding"
#define DRV_DESCRIPTION "Ethernet Channel Bonding Driver"
@@ -211,9 +211,6 @@ struct bonding {
struct bond_params params;
struct list_head vlan_list;
struct vlan_group *vlgrp;
- /* the features the bonding device supports, independently
- * of any slaves */
- int bond_features;
};
/**