3 files changed, 109 insertions, 114 deletions

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 6937ef0e727..b0b26036266 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -74,6 +74,7 @@
 #include <linux/ethtool.h>
 #include <linux/if_vlan.h>
 #include <linux/if_bonding.h>
+#include <linux/jiffies.h>
 #include <net/route.h>
 #include <net/net_namespace.h>
 #include "bonding.h"
@@ -174,6 +175,7 @@ struct bond_parm_tbl bond_mode_tbl[] = {
 struct bond_parm_tbl xmit_hashtype_tbl[] = {
 {	"layer2",		BOND_XMIT_POLICY_LAYER2},
 {	"layer3+4",		BOND_XMIT_POLICY_LAYER34},
+{	"layer2+3",		BOND_XMIT_POLICY_LAYER23},
 {	NULL,			-1},
 };
 
@@ -1847,9 +1849,9 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
 */
 void bond_destroy(struct bonding *bond)
 {
-	unregister_netdevice(bond->dev);
 	bond_deinit(bond->dev);
 	bond_destroy_sysfs_entry(bond);
+	unregister_netdevice(bond->dev);
 }
 
 /*
@@ -2722,8 +2724,8 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
 	 */
 	bond_for_each_slave(bond, slave, i) {
 		if (slave->link != BOND_LINK_UP) {
-			if (((jiffies - slave->dev->trans_start) <= delta_in_ticks) &&
-			    ((jiffies - slave->dev->last_rx) <= delta_in_ticks)) {
+			if (time_before_eq(jiffies, slave->dev->trans_start + delta_in_ticks) &&
+			    time_before_eq(jiffies, slave->dev->last_rx + delta_in_ticks)) {
 
 				slave->link  = BOND_LINK_UP;
 				slave->state = BOND_STATE_ACTIVE;
@@ -2754,8 +2756,8 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
 			 * when the source ip is 0, so don't take the link down
 			 * if we don't know our ip yet
 			 */
-			if (((jiffies - slave->dev->trans_start) >= (2*delta_in_ticks)) ||
-			    (((jiffies - slave->dev->last_rx) >= (2*delta_in_ticks)) &&
+			if (time_after_eq(jiffies, slave->dev->trans_start + 2*delta_in_ticks) ||
+			    (time_after_eq(jiffies, slave->dev->last_rx + 2*delta_in_ticks) &&
 			     bond_has_ip(bond))) {
 
 				slave->link  = BOND_LINK_DOWN;
@@ -2848,8 +2850,8 @@ void bond_activebackup_arp_mon(struct work_struct *work)
 	 */
 	bond_for_each_slave(bond, slave, i) {
 		if (slave->link != BOND_LINK_UP) {
-			if ((jiffies - slave_last_rx(bond, slave)) <=
-			     delta_in_ticks) {
+			if (time_before_eq(jiffies,
+			    slave_last_rx(bond, slave) + delta_in_ticks)) {
 
 				slave->link = BOND_LINK_UP;
 
@@ -2858,7 +2860,7 @@ void bond_activebackup_arp_mon(struct work_struct *work)
 				write_lock_bh(&bond->curr_slave_lock);
 
 				if ((!bond->curr_active_slave) &&
-				    ((jiffies - slave->dev->trans_start) <= delta_in_ticks)) {
+				    time_before_eq(jiffies, slave->dev->trans_start + delta_in_ticks)) {
 					bond_change_active_slave(bond, slave);
 					bond->current_arp_slave = NULL;
 				} else if (bond->curr_active_slave != slave) {
@@ -2897,7 +2899,7 @@ void bond_activebackup_arp_mon(struct work_struct *work)
 
 			if ((slave != bond->curr_active_slave) &&
 			    (!bond->current_arp_slave) &&
-			    (((jiffies - slave_last_rx(bond, slave)) >= 3*delta_in_ticks) &&
+			    (time_after_eq(jiffies, slave_last_rx(bond, slave) + 3*delta_in_ticks) &&
 			     bond_has_ip(bond))) {
 				/* a backup slave has gone down; three times
 				 * the delta allows the current slave to be
@@ -2943,10 +2945,10 @@ void bond_activebackup_arp_mon(struct work_struct *work)
 		 * before being taken out. if a primary is being used, check
 		 * if it is up and needs to take over as the curr_active_slave
 		 */
-		if ((((jiffies - slave->dev->trans_start) >= (2*delta_in_ticks)) ||
-	    (((jiffies - slave_last_rx(bond, slave)) >= (2*delta_in_ticks)) &&
-	     bond_has_ip(bond))) &&
-		    ((jiffies - slave->jiffies) >= 2*delta_in_ticks)) {
+		if ((time_after_eq(jiffies, slave->dev->trans_start + 2*delta_in_ticks) ||
+			(time_after_eq(jiffies, slave_last_rx(bond, slave) + 2*delta_in_ticks) &&
+			 bond_has_ip(bond))) &&
+			time_after_eq(jiffies, slave->jiffies + 2*delta_in_ticks)) {
 
 			slave->link  = BOND_LINK_DOWN;
 
@@ -3604,6 +3606,24 @@ void bond_unregister_arp(struct bonding *bond)
 /*---------------------------- Hashing Policies -----------------------------*/
 
 /*
+ * 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)
+{
+	struct ethhdr *data = (struct ethhdr *)skb->data;
+	struct iphdr *iph = ip_hdr(skb);
+
+	if (skb->protocol == __constant_htons(ETH_P_IP)) {
+		return ((ntohl(iph->saddr ^ iph->daddr) & 0xffff) ^
+			(data->h_dest[5] ^ bond_dev->dev_addr[5])) % count;
+	}
+
+	return (data->h_dest[5] ^ bond_dev->dev_addr[5]) % count;
+}
+
+/*
  * Hash for the output device based upon layer 3 and layer 4 data. If
  * 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()
@@ -4305,6 +4325,22 @@ out:
 
 /*------------------------- Device initialization ---------------------------*/
 
+static void bond_set_xmit_hash_policy(struct bonding *bond)
+{
+	switch (bond->params.xmit_policy) {
+	case BOND_XMIT_POLICY_LAYER23:
+		bond->xmit_hash_policy = bond_xmit_hash_policy_l23;
+		break;
+	case BOND_XMIT_POLICY_LAYER34:
+		bond->xmit_hash_policy = bond_xmit_hash_policy_l34;
+		break;
+	case BOND_XMIT_POLICY_LAYER2:
+	default:
+		bond->xmit_hash_policy = bond_xmit_hash_policy_l2;
+		break;
+	}
+}
+
 /*
  * set bond mode specific net device operations
  */
@@ -4321,10 +4357,7 @@ void bond_set_mode_ops(struct bonding *bond, int mode)
 		break;
 	case BOND_MODE_XOR:
 		bond_dev->hard_start_xmit = bond_xmit_xor;
-		if (bond->params.xmit_policy == BOND_XMIT_POLICY_LAYER34)
-			bond->xmit_hash_policy = bond_xmit_hash_policy_l34;
-		else
-			bond->xmit_hash_policy = bond_xmit_hash_policy_l2;
+		bond_set_xmit_hash_policy(bond);
 		break;
 	case BOND_MODE_BROADCAST:
 		bond_dev->hard_start_xmit = bond_xmit_broadcast;
@@ -4332,10 +4365,7 @@ void bond_set_mode_ops(struct bonding *bond, int mode)
 	case BOND_MODE_8023AD:
 		bond_set_master_3ad_flags(bond);
 		bond_dev->hard_start_xmit = bond_3ad_xmit_xor;
-		if (bond->params.xmit_policy == BOND_XMIT_POLICY_LAYER34)
-			bond->xmit_hash_policy = bond_xmit_hash_policy_l34;
-		else
-			bond->xmit_hash_policy = bond_xmit_hash_policy_l2;
+		bond_set_xmit_hash_policy(bond);
 		break;
 	case BOND_MODE_ALB:
 		bond_set_master_alb_flags(bond);
@@ -4405,6 +4435,7 @@ static int bond_init(struct net_device *bond_dev, struct bond_params *params)
 	bond_dev->set_multicast_list = bond_set_multicast_list;
 	bond_dev->change_mtu = bond_change_mtu;
 	bond_dev->set_mac_address = bond_set_mac_address;
+	bond_dev->validate_addr = NULL;
 
 	bond_set_mode_ops(bond, bond->params.mode);
 
@@ -4461,6 +4492,27 @@ static void bond_deinit(struct net_device *bond_dev)
 #endif
 }
 
+static void bond_work_cancel_all(struct bonding *bond)
+{
+	write_lock_bh(&bond->lock);
+	bond->kill_timers = 1;
+	write_unlock_bh(&bond->lock);
+
+	if (bond->params.miimon && delayed_work_pending(&bond->mii_work))
+		cancel_delayed_work(&bond->mii_work);
+
+	if (bond->params.arp_interval && delayed_work_pending(&bond->arp_work))
+		cancel_delayed_work(&bond->arp_work);
+
+	if (bond->params.mode == BOND_MODE_ALB &&
+	    delayed_work_pending(&bond->alb_work))
+		cancel_delayed_work(&bond->alb_work);
+
+	if (bond->params.mode == BOND_MODE_8023AD &&
+	    delayed_work_pending(&bond->ad_work))
+		cancel_delayed_work(&bond->ad_work);
+}
+
 /* Unregister and free all bond devices.
  * Caller must hold rtnl_lock.
  */
@@ -4471,11 +4523,12 @@ static void bond_free_all(void)
 	list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) {
 		struct net_device *bond_dev = bond->dev;
 
+		bond_work_cancel_all(bond);
 		bond_mc_list_destroy(bond);
 		/* Release the bonded slaves */
 		bond_release_all(bond_dev);
-		unregister_netdevice(bond_dev);
 		bond_deinit(bond_dev);
+		unregister_netdevice(bond_dev);
 	}
 
 #ifdef CONFIG_PROC_FS
@@ -4496,8 +4549,7 @@ int bond_parse_parm(char *mode_arg, struct bond_parm_tbl *tbl)
 	for (i = 0; tbl[i].modename; i++) {
 		if ((isdigit(*mode_arg) &&
 		     tbl[i].mode == simple_strtol(mode_arg, NULL, 0)) ||
-		    (strncmp(mode_arg, tbl[i].modename,
-			     strlen(tbl[i].modename)) == 0)) {
+		    (strcmp(mode_arg, tbl[i].modename) == 0)) {
 			return tbl[i].mode;
 		}
 	}
@@ -4872,27 +4924,6 @@ out_rtnl:
 	return res;
 }
 
-static void bond_work_cancel_all(struct bonding *bond)
-{
-	write_lock_bh(&bond->lock);
-	bond->kill_timers = 1;
-	write_unlock_bh(&bond->lock);
-
-	if (bond->params.miimon && delayed_work_pending(&bond->mii_work))
-		cancel_delayed_work(&bond->mii_work);
-
-	if (bond->params.arp_interval && delayed_work_pending(&bond->arp_work))
-		cancel_delayed_work(&bond->arp_work);
-
-	if (bond->params.mode == BOND_MODE_ALB &&
-	    delayed_work_pending(&bond->alb_work))
-		cancel_delayed_work(&bond->alb_work);
-
-	if (bond->params.mode == BOND_MODE_8023AD &&
-	    delayed_work_pending(&bond->ad_work))
-		cancel_delayed_work(&bond->ad_work);
-}
-
 static int __init bonding_init(void)
 {
 	int i;
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 7a06ade85b0..11b76b35241 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -74,7 +74,7 @@ struct rw_semaphore bonding_rwsem;
  * "show" function for the bond_masters attribute.
  * The class parameter is ignored.
  */
-static ssize_t bonding_show_bonds(struct class *cls, char *buffer)
+static ssize_t bonding_show_bonds(struct class *cls, char *buf)
 {
 	int res = 0;
 	struct bonding *bond;
@@ -86,14 +86,13 @@ static ssize_t bonding_show_bonds(struct class *cls, char *buffer)
 			/* not enough space for another interface name */
 			if ((PAGE_SIZE - res) > 10)
 				res = PAGE_SIZE - 10;
-			res += sprintf(buffer + res, "++more++");
+			res += sprintf(buf + res, "++more++ ");
 			break;
 		}
-		res += sprintf(buffer + res, "%s ",
-			       bond->dev->name);
+		res += sprintf(buf + res, "%s ", bond->dev->name);
 	}
-	res += sprintf(buffer + res, "\n");
-	res++;
+	if (res)
+		buf[res-1] = '\n'; /* eat the leftover space */
 	up_read(&(bonding_rwsem));
 	return res;
 }
@@ -235,14 +234,14 @@ static ssize_t bonding_show_slaves(struct device *d,
 			/* not enough space for another interface name */
 			if ((PAGE_SIZE - res) > 10)
 				res = PAGE_SIZE - 10;
-			res += sprintf(buf + res, "++more++");
+			res += sprintf(buf + res, "++more++ ");
 			break;
 		}
 		res += sprintf(buf + res, "%s ", slave->dev->name);
 	}
 	read_unlock(&bond->lock);
-	res += sprintf(buf + res, "\n");
-	res++;
+	if (res)
+		buf[res-1] = '\n'; /* eat the leftover space */
 	return res;
 }
 
@@ -406,7 +405,7 @@ static ssize_t bonding_show_mode(struct device *d,
 
 	return sprintf(buf, "%s %d\n",
 			bond_mode_tbl[bond->params.mode].modename,
-			bond->params.mode) + 1;
+			bond->params.mode);
 }
 
 static ssize_t bonding_store_mode(struct device *d,
@@ -457,20 +456,11 @@ static ssize_t bonding_show_xmit_hash(struct device *d,
 				      struct device_attribute *attr,
 				      char *buf)
 {
-	int count;
 	struct bonding *bond = to_bond(d);
 
-	if ((bond->params.mode != BOND_MODE_XOR) &&
-	    (bond->params.mode != BOND_MODE_8023AD)) {
-		// Not Applicable
-		count = sprintf(buf, "NA\n") + 1;
-	} else {
-		count = sprintf(buf, "%s %d\n",
-			xmit_hashtype_tbl[bond->params.xmit_policy].modename,
-			bond->params.xmit_policy) + 1;
-	}
-
-	return count;
+	return sprintf(buf, "%s %d\n",
+		       xmit_hashtype_tbl[bond->params.xmit_policy].modename,
+		       bond->params.xmit_policy);
 }
 
 static ssize_t bonding_store_xmit_hash(struct device *d,
@@ -488,15 +478,6 @@ static ssize_t bonding_store_xmit_hash(struct device *d,
 		goto out;
 	}
 
-	if ((bond->params.mode != BOND_MODE_XOR) &&
-	    (bond->params.mode != BOND_MODE_8023AD)) {
-		printk(KERN_ERR DRV_NAME
-		       "%s: Transmit hash policy is irrelevant in this mode.\n",
-		       bond->dev->name);
-		ret = -EPERM;
-		goto out;
-	}
-
 	new_value = bond_parse_parm((char *)buf, xmit_hashtype_tbl);
 	if (new_value < 0)  {
 		printk(KERN_ERR DRV_NAME
@@ -527,7 +508,7 @@ static ssize_t bonding_show_arp_validate(struct device *d,
 
 	return sprintf(buf, "%s %d\n",
 		       arp_validate_tbl[bond->params.arp_validate].modename,
-		       bond->params.arp_validate) + 1;
+		       bond->params.arp_validate);
 }
 
 static ssize_t bonding_store_arp_validate(struct device *d,
@@ -627,7 +608,7 @@ static ssize_t bonding_show_arp_interval(struct device *d,
 {
 	struct bonding *bond = to_bond(d);
 
-	return sprintf(buf, "%d\n", bond->params.arp_interval) + 1;
+	return sprintf(buf, "%d\n", bond->params.arp_interval);
 }
 
 static ssize_t bonding_store_arp_interval(struct device *d,
@@ -712,9 +693,7 @@ static ssize_t bonding_show_arp_targets(struct device *d,
 			       NIPQUAD(bond->params.arp_targets[i]));
 	}
 	if (res)
-		res--;  /* eat the leftover space */
-	res += sprintf(buf + res, "\n");
-	res++;
+		buf[res-1] = '\n'; /* eat the leftover space */
 	return res;
 }
 
@@ -815,7 +794,7 @@ static ssize_t bonding_show_downdelay(struct device *d,
 {
 	struct bonding *bond = to_bond(d);
 
-	return sprintf(buf, "%d\n", bond->params.downdelay * bond->params.miimon) + 1;
+	return sprintf(buf, "%d\n", bond->params.downdelay * bond->params.miimon);
 }
 
 static ssize_t bonding_store_downdelay(struct device *d,
@@ -872,7 +851,7 @@ static ssize_t bonding_show_updelay(struct device *d,
 {
 	struct bonding *bond = to_bond(d);
 
-	return sprintf(buf, "%d\n", bond->params.updelay * bond->params.miimon) + 1;
+	return sprintf(buf, "%d\n", bond->params.updelay * bond->params.miimon);
 
 }
 
@@ -936,7 +915,7 @@ static ssize_t bonding_show_lacp(struct device *d,
 
 	return sprintf(buf, "%s %d\n",
 		bond_lacp_tbl[bond->params.lacp_fast].modename,
-		bond->params.lacp_fast) + 1;
+		bond->params.lacp_fast);
 }
 
 static ssize_t bonding_store_lacp(struct device *d,
@@ -992,7 +971,7 @@ static ssize_t bonding_show_miimon(struct device *d,
 {
 	struct bonding *bond = to_bond(d);
 
-	return sprintf(buf, "%d\n", bond->params.miimon) + 1;
+	return sprintf(buf, "%d\n", bond->params.miimon);
 }
 
 static ssize_t bonding_store_miimon(struct device *d,
@@ -1083,9 +1062,7 @@ static ssize_t bonding_show_primary(struct device *d,
 	struct bonding *bond = to_bond(d);
 
 	if (bond->primary_slave)
-		count = sprintf(buf, "%s\n", bond->primary_slave->dev->name) + 1;
-	else
-		count = sprintf(buf, "\n") + 1;
+		count = sprintf(buf, "%s\n", bond->primary_slave->dev->name);
 
 	return count;
 }
@@ -1149,7 +1126,7 @@ static ssize_t bonding_show_carrier(struct device *d,
 {
 	struct bonding *bond = to_bond(d);
 
-	return sprintf(buf, "%d\n", bond->params.use_carrier) + 1;
+	return sprintf(buf, "%d\n", bond->params.use_carrier);
 }
 
 static ssize_t bonding_store_carrier(struct device *d,
@@ -1191,18 +1168,14 @@ static ssize_t bonding_show_active_slave(struct device *d,
 {
 	struct slave *curr;
 	struct bonding *bond = to_bond(d);
-	int count;
-
-	rtnl_lock();
+	int count = 0;
 
 	read_lock(&bond->curr_slave_lock);
 	curr = bond->curr_active_slave;
 	read_unlock(&bond->curr_slave_lock);
 
 	if (USES_PRIMARY(bond->params.mode) && curr)
-		count = sprintf(buf, "%s\n", curr->dev->name) + 1;
-	else
-		count = sprintf(buf, "\n") + 1;
+		count = sprintf(buf, "%s\n", curr->dev->name);
 	return count;
 }
 
@@ -1216,7 +1189,9 @@ static ssize_t bonding_store_active_slave(struct device *d,
         struct slave *new_active = NULL;
 	struct bonding *bond = to_bond(d);
 
+	rtnl_lock();
 	write_lock_bh(&bond->lock);
+
 	if (!USES_PRIMARY(bond->params.mode)) {
 		printk(KERN_INFO DRV_NAME
 		       ": %s: Unable to change active slave; %s is in mode %d\n",
@@ -1295,7 +1270,7 @@ static ssize_t bonding_show_mii_status(struct device *d,
 	curr = bond->curr_active_slave;
 	read_unlock(&bond->curr_slave_lock);
 
-	return sprintf(buf, "%s\n", (curr) ? "up" : "down") + 1;
+	return sprintf(buf, "%s\n", (curr) ? "up" : "down");
 }
 static DEVICE_ATTR(mii_status, S_IRUGO, bonding_show_mii_status, NULL);
 
@@ -1312,10 +1287,8 @@ static ssize_t bonding_show_ad_aggregator(struct device *d,
 
 	if (bond->params.mode == BOND_MODE_8023AD) {
 		struct ad_info ad_info;
-		count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ?  0 : ad_info.aggregator_id) + 1;
+		count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ?  0 : ad_info.aggregator_id);
 	}
-	else
-		count = sprintf(buf, "\n") + 1;
 
 	return count;
 }
@@ -1334,10 +1307,8 @@ static ssize_t bonding_show_ad_num_ports(struct device *d,
 
 	if (bond->params.mode == BOND_MODE_8023AD) {
 		struct ad_info ad_info;
-		count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ?  0: ad_info.ports) + 1;
+		count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ?  0: ad_info.ports);
 	}
-	else
-		count = sprintf(buf, "\n") + 1;
 
 	return count;
 }
@@ -1356,10 +1327,8 @@ static ssize_t bonding_show_ad_actor_key(struct device *d,
 
 	if (bond->params.mode == BOND_MODE_8023AD) {
 		struct ad_info ad_info;
-		count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ?  0 : ad_info.actor_key) + 1;
+		count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ?  0 : ad_info.actor_key);
 	}
-	else
-		count = sprintf(buf, "\n") + 1;
 
 	return count;
 }
@@ -1378,10 +1347,8 @@ static ssize_t bonding_show_ad_partner_key(struct device *d,
 
 	if (bond->params.mode == BOND_MODE_8023AD) {
 		struct ad_info ad_info;
-		count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ?  0 : ad_info.partner_key) + 1;
+		count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ?  0 : ad_info.partner_key);
 	}
-	else
-		count = sprintf(buf, "\n") + 1;
 
 	return count;
 }
@@ -1403,12 +1370,9 @@ static ssize_t bonding_show_ad_partner_mac(struct device *d,
 		struct ad_info ad_info;
 		if (!bond_3ad_get_active_agg_info(bond, &ad_info)) {
 			count = sprintf(buf,"%s\n",
-					print_mac(mac, ad_info.partner_system))
-				+ 1;
+					print_mac(mac, ad_info.partner_system));
 		}
 	}
-	else
-		count = sprintf(buf, "\n") + 1;
 
 	return count;
 }
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 61c1b4536d3..e1e4734e23c 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -22,8 +22,8 @@
 #include "bond_3ad.h"
 #include "bond_alb.h"
 
-#define DRV_VERSION	"3.2.1"
-#define DRV_RELDATE	"October 15, 2007"
+#define DRV_VERSION	"3.2.3"
+#define DRV_RELDATE	"December 6, 2007"
 #define DRV_NAME	"bonding"
 #define DRV_DESCRIPTION	"Ethernet Channel Bonding Driver"