/*
* 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
[IFA_LOCAL] = { .type = NLA_U32 },
[IFA_ADDRESS] = { .type = NLA_U32 },
[IFA_BROADCAST] = { .type = NLA_U32 },
- [IFA_ANYCAST] = { .type = NLA_U32 },
[IFA_LABEL] = { .type = NLA_STRING, .len = IFNAMSIZ - 1 },
};
if (!in_dev)
goto out;
INIT_RCU_HEAD(&in_dev->rcu_head);
- memcpy(&in_dev->cnf, dev->nd_net->ipv4.devconf_dflt,
+ memcpy(&in_dev->cnf, dev_net(dev)->ipv4.devconf_dflt,
sizeof(in_dev->cnf));
in_dev->cnf.sysctl = NULL;
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) */
static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct nlattr *tb[IFA_MAX+1];
struct in_device *in_dev;
struct ifaddrmsg *ifm;
ASSERT_RTNL();
- if (net != &init_net)
- return -EINVAL;
-
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy);
if (err < 0)
goto errout;
return err;
}
-static struct in_ifaddr *rtm_to_ifaddr(struct nlmsghdr *nlh)
+static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh)
{
struct nlattr *tb[IFA_MAX+1];
struct in_ifaddr *ifa;
struct ifaddrmsg *ifm;
struct net_device *dev;
struct in_device *in_dev;
- int err = -EINVAL;
+ int err;
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy);
if (err < 0)
goto errout;
ifm = nlmsg_data(nlh);
- if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL) {
- err = -EINVAL;
+ err = -EINVAL;
+ if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL)
goto errout;
- }
- dev = __dev_get_by_index(&init_net, ifm->ifa_index);
- if (dev == NULL) {
- err = -ENODEV;
+ dev = __dev_get_by_index(net, ifm->ifa_index);
+ err = -ENODEV;
+ if (dev == NULL)
goto errout;
- }
in_dev = __in_dev_get_rtnl(dev);
- if (in_dev == NULL) {
- err = -ENOBUFS;
+ err = -ENOBUFS;
+ if (in_dev == NULL)
goto errout;
- }
ifa = inet_alloc_ifa();
- if (ifa == NULL) {
+ if (ifa == NULL)
/*
* A potential indev allocation can be left alive, it stays
* assigned to its device and is destroy with it.
*/
- err = -ENOBUFS;
goto errout;
- }
ipv4_devconf_setall(in_dev);
in_dev_hold(in_dev);
if (tb[IFA_BROADCAST])
ifa->ifa_broadcast = nla_get_be32(tb[IFA_BROADCAST]);
- if (tb[IFA_ANYCAST])
- ifa->ifa_anycast = nla_get_be32(tb[IFA_ANYCAST]);
-
if (tb[IFA_LABEL])
nla_strlcpy(ifa->ifa_label, tb[IFA_LABEL], IFNAMSIZ);
else
static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct in_ifaddr *ifa;
ASSERT_RTNL();
- if (net != &init_net)
- return -EINVAL;
-
- ifa = rtm_to_ifaddr(nlh);
+ ifa = rtm_to_ifaddr(net, nlh);
if (IS_ERR(ifa))
return PTR_ERR(ifa);
}
-int devinet_ioctl(unsigned int cmd, void __user *arg)
+int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
{
struct ifreq ifr;
struct sockaddr_in sin_orig;
*colon = 0;
#ifdef CONFIG_KMOD
- dev_load(&init_net, ifr.ifr_name);
+ dev_load(net, ifr.ifr_name);
#endif
switch (cmd) {
rtnl_lock();
ret = -ENODEV;
- if ((dev = __dev_get_by_name(&init_net, ifr.ifr_name)) == NULL)
+ if ((dev = __dev_get_by_name(net, ifr.ifr_name)) == NULL)
goto done;
if (colon)
break;
inet_del_ifa(in_dev, ifap, 0);
ifa->ifa_broadcast = 0;
- ifa->ifa_anycast = 0;
+ ifa->ifa_scope = 0;
}
ifa->ifa_address = ifa->ifa_local = sin->sin_addr.s_addr;
{
__be32 addr = 0;
struct in_device *in_dev;
+ struct net *net = dev_net(dev);
rcu_read_lock();
in_dev = __in_dev_get_rcu(dev);
*/
read_lock(&dev_base_lock);
rcu_read_lock();
- for_each_netdev(&init_net, dev) {
+ for_each_netdev(net, dev) {
if ((in_dev = __in_dev_get_rcu(dev)) == NULL)
continue;
if (scope != RT_SCOPE_LINK)
return confirm_addr_indev(in_dev, dst, local, scope);
- net = in_dev->dev->nd_net;
+ net = dev_net(in_dev->dev);
read_lock(&dev_base_lock);
rcu_read_lock();
for_each_netdev(net, 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);
} else {
strcpy(ifa->ifa_label + (IFNAMSIZ - strlen(dot) - 1), dot);
}
+skip:
+ rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0);
}
}
struct net_device *dev = ptr;
struct in_device *in_dev = __in_dev_get_rtnl(dev);
- if (dev->nd_net != &init_net)
- return NOTIFY_DONE;
-
ASSERT_RTNL();
if (!in_dev) {
+ nla_total_size(4) /* IFA_ADDRESS */
+ nla_total_size(4) /* IFA_LOCAL */
+ nla_total_size(4) /* IFA_BROADCAST */
- + nla_total_size(4) /* IFA_ANYCAST */
+ nla_total_size(IFNAMSIZ); /* IFA_LABEL */
}
if (ifa->ifa_broadcast)
NLA_PUT_BE32(skb, IFA_BROADCAST, ifa->ifa_broadcast);
- if (ifa->ifa_anycast)
- NLA_PUT_BE32(skb, IFA_ANYCAST, ifa->ifa_anycast);
-
if (ifa->ifa_label[0])
NLA_PUT_STRING(skb, IFA_LABEL, ifa->ifa_label);
static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
int idx, ip_idx;
struct net_device *dev;
struct in_device *in_dev;
struct in_ifaddr *ifa;
int s_ip_idx, s_idx = cb->args[0];
- if (net != &init_net)
- return 0;
-
s_ip_idx = ip_idx = cb->args[1];
idx = 0;
- for_each_netdev(&init_net, dev) {
+ for_each_netdev(net, dev) {
if (idx < s_idx)
goto cont;
if (idx > s_idx)
struct sk_buff *skb;
u32 seq = nlh ? nlh->nlmsg_seq : 0;
int err = -ENOBUFS;
+ struct net *net;
+ net = dev_net(ifa->ifa_dev->dev);
skb = nlmsg_new(inet_nlmsg_size(), GFP_KERNEL);
if (skb == NULL)
goto errout;
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, &init_net, pid, RTNLGRP_IPV4_IFADDR, nlh, GFP_KERNEL);
+ err = rtnl_notify(skb, net, pid, RTNLGRP_IPV4_IFADDR, nlh, GFP_KERNEL);
errout:
if (err < 0)
- rtnl_set_sk_err(&init_net, RTNLGRP_IPV4_IFADDR, err);
+ rtnl_set_sk_err(net, RTNLGRP_IPV4_IFADDR, err);
}
#ifdef CONFIG_SYSCTL
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)
rcu_read_unlock();
}
read_unlock(&dev_base_lock);
-
- rt_cache_flush(0);
}
static int devinet_conf_proc(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;
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;
}
{
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;
}
{
neigh_sysctl_register(idev->dev, idev->arp_parms, NET_IPV4,
NET_IPV4_NEIGH, "ipv4", NULL, NULL);
- __devinet_sysctl_register(idev->dev->nd_net, idev->dev->name,
+ __devinet_sysctl_register(dev_net(idev->dev), idev->dev->name,
idev->dev->ifindex, &idev->cnf);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff