1 files changed, 24 insertions, 11 deletions

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 79a7ef6209ff..2e667e2f90df 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1,8 +1,6 @@
 /*
  *      NET3    IP device support routines.
  *
- *      Version: $Id: devinet.c,v 1.44 2001/10/31 21:55:54 davem Exp $
- *
  *              This program is free software; you can redistribute it and/or
  *              modify it under the terms of the GNU General Public License
  *              as published by the Free Software Foundation; either version
@@ -170,6 +168,8 @@ static struct in_device *inetdev_init(struct net_device *dev)
         in_dev->dev = dev;
         if ((in_dev->arp_parms = neigh_parms_alloc(dev, &arp_tbl)) == NULL)
                 goto out_kfree;
+        if (IPV4_DEVCONF(in_dev->cnf, FORWARDING))
+                dev_disable_lro(dev);
         /* Reference in_dev->dev */
         dev_hold(dev);
         /* Account for reference dev->ip_ptr (below) */
@@ -1013,7 +1013,7 @@ static void inetdev_changename(struct net_device *dev, struct in_device *in_dev)
                 memcpy(old, ifa->ifa_label, IFNAMSIZ);
                 memcpy(ifa->ifa_label, dev->name, IFNAMSIZ);
                 if (named++ == 0)
-                        continue;
+                        goto skip;
                 dot = strchr(old, ':');
                 if (dot == NULL) {
                         sprintf(old, ":%d", named);
@@ -1024,6 +1024,8 @@ static void inetdev_changename(struct net_device *dev, struct in_device *in_dev)
                 } else {
                         strcpy(ifa->ifa_label + (IFNAMSIZ - strlen(dot) - 1), dot);
                 }
+skip:
+                rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0);
         }
 }
 
@@ -1241,6 +1243,8 @@ static void inet_forward_change(struct net *net)
         read_lock(&dev_base_lock);
         for_each_netdev(net, dev) {
                 struct in_device *in_dev;
+                if (on)
+                        dev_disable_lro(dev);
                 rcu_read_lock();
                 in_dev = __in_dev_get_rcu(dev);
                 if (in_dev)
@@ -1248,8 +1252,6 @@ static void inet_forward_change(struct net *net)
                 rcu_read_unlock();
         }
         read_unlock(&dev_base_lock);
-
-        rt_cache_flush(0);
 }
 
 static int devinet_conf_proc(ctl_table *ctl, int write,
@@ -1335,10 +1337,19 @@ static int devinet_sysctl_forward(ctl_table *ctl, int write,
         if (write && *valp != val) {
                 struct net *net = ctl->extra2;
 
-                if (valp == &IPV4_DEVCONF_ALL(net, FORWARDING))
-                        inet_forward_change(net);
-                else if (valp != &IPV4_DEVCONF_DFLT(net, FORWARDING))
-                        rt_cache_flush(0);
+                if (valp != &IPV4_DEVCONF_DFLT(net, FORWARDING)) {
+                        rtnl_lock();
+                        if (valp == &IPV4_DEVCONF_ALL(net, FORWARDING)) {
+                                inet_forward_change(net);
+                        } else if (*valp) {
+                                struct ipv4_devconf *cnf = ctl->extra1;
+                                struct in_device *idev =
+                                        container_of(cnf, struct in_device, cnf);
+                                dev_disable_lro(idev->dev);
+                        }
+                        rtnl_unlock();
+                        rt_cache_flush(net, 0);
+                }
         }
 
         return ret;
@@ -1351,9 +1362,10 @@ int ipv4_doint_and_flush(ctl_table *ctl, int write,
         int *valp = ctl->data;
         int val = *valp;
         int ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
+        struct net *net = ctl->extra2;
 
         if (write && *valp != val)
-                rt_cache_flush(0);
+                rt_cache_flush(net, 0);
 
         return ret;
 }
@@ -1364,9 +1376,10 @@ int ipv4_doint_and_flush_strategy(ctl_table *table, int __user *name, int nlen,
 {
         int ret = devinet_conf_sysctl(table, name, nlen, oldval, oldlenp,
                                       newval, newlen);
+        struct net *net = table->extra2;
 
         if (ret == 1)
-                rt_cache_flush(0);
+                rt_cache_flush(net, 0);
 
         return ret;
 }