#include <asm/uaccess.h>
#include <asm/system.h>
-#include <asm/string.h>
#include <linux/inet.h>
#include <linux/netdevice.h>
#include <net/rtnetlink.h>
#include <net/net_namespace.h>
-struct rtnl_link
-{
+struct rtnl_link {
rtnl_doit_func doit;
rtnl_dumpit_func dumpit;
};
{
mutex_lock(&rtnl_mutex);
}
+EXPORT_SYMBOL(rtnl_lock);
void __rtnl_unlock(void)
{
/* This fellow will unlock it for us. */
netdev_run_todo();
}
+EXPORT_SYMBOL(rtnl_unlock);
int rtnl_trylock(void)
{
return mutex_trylock(&rtnl_mutex);
}
+EXPORT_SYMBOL(rtnl_trylock);
int rtnl_is_locked(void)
{
return mutex_is_locked(&rtnl_mutex);
}
+EXPORT_SYMBOL(rtnl_is_locked);
static struct rtnl_link *rtnl_msg_handlers[NPROTO];
return 0;
}
-
EXPORT_SYMBOL_GPL(__rtnl_register);
/**
"protocol = %d, message type = %d\n",
protocol, msgtype);
}
-
EXPORT_SYMBOL_GPL(rtnl_register);
/**
return 0;
}
-
EXPORT_SYMBOL_GPL(rtnl_unregister);
/**
kfree(rtnl_msg_handlers[protocol]);
rtnl_msg_handlers[protocol] = NULL;
}
-
EXPORT_SYMBOL_GPL(rtnl_unregister_all);
static LIST_HEAD(link_ops);
int __rtnl_link_register(struct rtnl_link_ops *ops)
{
if (!ops->dellink)
- ops->dellink = unregister_netdevice;
+ ops->dellink = unregister_netdevice_queue;
list_add_tail(&ops->list, &link_ops);
return 0;
}
-
EXPORT_SYMBOL_GPL(__rtnl_link_register);
/**
rtnl_unlock();
return err;
}
-
EXPORT_SYMBOL_GPL(rtnl_link_register);
static void __rtnl_kill_links(struct net *net, struct rtnl_link_ops *ops)
{
struct net_device *dev;
-restart:
+ LIST_HEAD(list_kill);
+
for_each_netdev(net, dev) {
- if (dev->rtnl_link_ops == ops) {
- ops->dellink(dev);
- goto restart;
- }
+ if (dev->rtnl_link_ops == ops)
+ ops->dellink(dev, &list_kill);
}
+ unregister_netdevice_many(&list_kill);
}
void rtnl_kill_links(struct net *net, struct rtnl_link_ops *ops)
}
list_del(&ops->list);
}
-
EXPORT_SYMBOL_GPL(__rtnl_link_unregister);
/**
__rtnl_link_unregister(ops);
rtnl_unlock();
}
-
EXPORT_SYMBOL_GPL(rtnl_link_unregister);
static const struct rtnl_link_ops *rtnl_link_ops_get(const char *kind)
struct rtattr *rta;
int size = RTA_LENGTH(attrlen);
- rta = (struct rtattr*)skb_put(skb, RTA_ALIGN(size));
+ rta = (struct rtattr *)skb_put(skb, RTA_ALIGN(size));
rta->rta_type = attrtype;
rta->rta_len = size;
memcpy(RTA_DATA(rta), data, attrlen);
memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size);
}
+EXPORT_SYMBOL(__rta_fill);
int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned group, int echo)
{
return nlmsg_unicast(rtnl, skb, pid);
}
+EXPORT_SYMBOL(rtnl_unicast);
void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
struct nlmsghdr *nlh, gfp_t flags)
nlmsg_notify(rtnl, skb, pid, group, report, flags);
}
+EXPORT_SYMBOL(rtnl_notify);
void rtnl_set_sk_err(struct net *net, u32 group, int error)
{
netlink_set_err(rtnl, 0, group, error);
}
+EXPORT_SYMBOL(rtnl_set_sk_err);
int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics)
{
nla_nest_cancel(skb, mx);
return -EMSGSIZE;
}
+EXPORT_SYMBOL(rtnetlink_put_metrics);
int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id,
u32 ts, u32 tsage, long expires, u32 error)
return nla_put(skb, RTA_CACHEINFO, sizeof(ci), &ci);
}
-
EXPORT_SYMBOL_GPL(rtnl_put_cacheinfo);
static void set_operstate(struct net_device *dev, unsigned char transition)
{
unsigned char operstate = dev->operstate;
- switch(transition) {
+ switch (transition) {
case IF_OPER_UP:
if ((operstate == IF_OPER_DORMANT ||
operstate == IF_OPER_UNKNOWN) &&
[IFLA_NET_NS_PID] = { .type = NLA_U32 },
[IFLA_IFALIAS] = { .type = NLA_STRING, .len = IFALIASZ-1 },
};
+EXPORT_SYMBOL(ifla_policy);
static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
[IFLA_INFO_KIND] = { .type = NLA_STRING },
[IFLA_INFO_DATA] = { .type = NLA_NESTED },
};
+struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[])
+{
+ struct net *net;
+ /* Examine the link attributes and figure out which
+ * network namespace we are talking about.
+ */
+ if (tb[IFLA_NET_NS_PID])
+ net = get_net_ns_by_pid(nla_get_u32(tb[IFLA_NET_NS_PID]));
+ else
+ net = get_net(src_net);
+ return net;
+}
+EXPORT_SYMBOL(rtnl_link_get_net);
+
static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
{
if (dev) {
int err;
if (tb[IFLA_NET_NS_PID]) {
- struct net *net;
- net = get_net_ns_by_pid(nla_get_u32(tb[IFLA_NET_NS_PID]));
+ struct net *net = rtnl_link_get_net(dev_net(dev), tb);
if (IS_ERR(net)) {
err = PTR_ERR(net);
goto errout;
goto errout;
}
- if ((err = validate_linkmsg(dev, tb)) < 0)
+ err = validate_linkmsg(dev, tb);
+ if (err < 0)
goto errout;
err = do_setlink(dev, ifm, tb, ifname, 0);
if (!ops)
return -EOPNOTSUPP;
- ops->dellink(dev);
+ ops->dellink(dev, NULL);
return 0;
}
-struct net_device *rtnl_create_link(struct net *net, char *ifname,
- const struct rtnl_link_ops *ops, struct nlattr *tb[])
+struct net_device *rtnl_create_link(struct net *src_net, struct net *net,
+ char *ifname, const struct rtnl_link_ops *ops, struct nlattr *tb[])
{
int err;
struct net_device *dev;
unsigned int real_num_queues = 1;
if (ops->get_tx_queues) {
- err = ops->get_tx_queues(net, tb, &num_queues, &real_num_queues);
+ err = ops->get_tx_queues(src_net, tb, &num_queues,
+ &real_num_queues);
if (err)
goto err;
}
if (!dev)
goto err;
+ dev_net_set(dev, net);
+ dev->rtnl_link_ops = ops;
dev->real_num_tx_queues = real_num_queues;
+
if (strchr(dev->name, '%')) {
err = dev_alloc_name(dev, dev->name);
if (err < 0)
goto err_free;
}
- dev_net_set(dev, net);
- dev->rtnl_link_ops = ops;
-
if (tb[IFLA_MTU])
dev->mtu = nla_get_u32(tb[IFLA_MTU]);
if (tb[IFLA_ADDRESS])
err:
return ERR_PTR(err);
}
+EXPORT_SYMBOL(rtnl_create_link);
static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
else
dev = NULL;
- if ((err = validate_linkmsg(dev, tb)) < 0)
+ err = validate_linkmsg(dev, tb);
+ if (err < 0)
return err;
if (tb[IFLA_LINKINFO]) {
if (1) {
struct nlattr *attr[ops ? ops->maxtype + 1 : 0], **data = NULL;
+ struct net *dest_net;
if (ops) {
if (ops->maxtype && linkinfo[IFLA_INFO_DATA]) {
if (!ifname[0])
snprintf(ifname, IFNAMSIZ, "%s%%d", ops->kind);
- dev = rtnl_create_link(net, ifname, ops, tb);
+ dest_net = rtnl_link_get_net(net, tb);
+ dev = rtnl_create_link(net, dest_net, ifname, ops, tb);
if (IS_ERR(dev))
err = PTR_ERR(dev);
else if (ops->newlink)
- err = ops->newlink(dev, tb, data);
+ err = ops->newlink(net, dev, tb, data);
else
err = register_netdevice(dev);
-
if (err < 0 && !IS_ERR(dev))
free_netdev(dev);
+
+ put_net(dest_net);
return err;
}
}
if (s_idx == 0)
s_idx = 1;
- for (idx=1; idx<NPROTO; idx++) {
+ for (idx = 1; idx < NPROTO; idx++) {
int type = cb->nlh->nlmsg_type-RTM_BASE;
if (idx < s_idx || idx == PF_PACKET)
continue;
if (nlh->nlmsg_len < NLMSG_LENGTH(sizeof(struct rtgenmsg)))
return 0;
- family = ((struct rtgenmsg*)NLMSG_DATA(nlh))->rtgen_family;
+ family = ((struct rtgenmsg *)NLMSG_DATA(nlh))->rtgen_family;
if (family >= NPROTO)
return -EAFNOSUPPORT;
if (nlh->nlmsg_len > min_len) {
int attrlen = nlh->nlmsg_len - NLMSG_ALIGN(min_len);
- struct rtattr *attr = (void*)nlh + NLMSG_ALIGN(min_len);
+ struct rtattr *attr = (void *)nlh + NLMSG_ALIGN(min_len);
while (RTA_OK(attr, attrlen)) {
unsigned flavor = attr->rta_type;
case NETDEV_UNREGISTER:
rtmsg_ifinfo(RTM_DELLINK, dev, ~0U);
break;
- case NETDEV_REGISTER:
- rtmsg_ifinfo(RTM_NEWLINK, dev, ~0U);
- break;
case NETDEV_UP:
case NETDEV_DOWN:
rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING);
break;
+ case NETDEV_POST_INIT:
+ case NETDEV_REGISTER:
case NETDEV_CHANGE:
case NETDEV_GOING_DOWN:
+ case NETDEV_UNREGISTER_BATCH:
break;
default:
rtmsg_ifinfo(RTM_NEWLINK, dev, 0);
};
-static int rtnetlink_net_init(struct net *net)
+static int __net_init rtnetlink_net_init(struct net *net)
{
struct sock *sk;
sk = netlink_kernel_create(net, NETLINK_ROUTE, RTNLGRP_MAX,
return 0;
}
-static void rtnetlink_net_exit(struct net *net)
+static void __net_exit rtnetlink_net_exit(struct net *net)
{
netlink_kernel_release(net->rtnl);
net->rtnl = NULL;
rtnl_register(PF_UNSPEC, RTM_GETROUTE, NULL, rtnl_dump_all);
}
-EXPORT_SYMBOL(__rta_fill);
-EXPORT_SYMBOL(rtnetlink_put_metrics);
-EXPORT_SYMBOL(rtnl_lock);
-EXPORT_SYMBOL(rtnl_trylock);
-EXPORT_SYMBOL(rtnl_unlock);
-EXPORT_SYMBOL(rtnl_is_locked);
-EXPORT_SYMBOL(rtnl_unicast);
-EXPORT_SYMBOL(rtnl_notify);
-EXPORT_SYMBOL(rtnl_set_sk_err);
-EXPORT_SYMBOL(rtnl_create_link);
-EXPORT_SYMBOL(ifla_policy);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff