#include <asm/uaccess.h>
#include <asm/system.h>
-#include <asm/string.h>
#include <linux/inet.h>
#include <linux/netdevice.h>
#include <net/pkt_sched.h>
#include <net/fib_rules.h>
#include <net/rtnetlink.h>
-#ifdef CONFIG_NET_WIRELESS_RTNETLINK
-#include <linux/wireless.h>
-#include <net/iw_handler.h>
-#endif /* CONFIG_NET_WIRELESS_RTNETLINK */
+#include <net/net_namespace.h>
-struct rtnl_link
-{
+struct rtnl_link {
rtnl_doit_func doit;
rtnl_dumpit_func dumpit;
};
static DEFINE_MUTEX(rtnl_mutex);
-static struct sock *rtnl;
void rtnl_lock(void)
{
mutex_lock(&rtnl_mutex);
}
+EXPORT_SYMBOL(rtnl_lock);
void __rtnl_unlock(void)
{
void rtnl_unlock(void)
{
- mutex_unlock(&rtnl_mutex);
- if (rtnl && rtnl->sk_receive_queue.qlen)
- rtnl->sk_data_ready(rtnl, 0);
+ /* 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 rtattr_parse(struct rtattr *tb[], int maxattr, struct rtattr *rta, int len)
+int rtnl_is_locked(void)
{
- memset(tb, 0, sizeof(struct rtattr*)*maxattr);
-
- while (RTA_OK(rta, len)) {
- unsigned flavor = rta->rta_type;
- if (flavor && flavor <= maxattr)
- tb[flavor-1] = rta;
- rta = RTA_NEXT(rta, len);
- }
- return 0;
+ return mutex_is_locked(&rtnl_mutex);
}
+EXPORT_SYMBOL(rtnl_is_locked);
-struct rtnl_link *rtnl_msg_handlers[NPROTO];
+static struct rtnl_link *rtnl_msg_handlers[NPROTO];
static inline int rtm_msgindex(int msgtype)
{
struct rtnl_link *tab;
tab = rtnl_msg_handlers[protocol];
- if (tab == NULL || tab->doit == NULL)
+ if (tab == NULL || tab[msgindex].doit == NULL)
tab = rtnl_msg_handlers[PF_UNSPEC];
- return tab ? tab->doit : NULL;
+ return tab ? tab[msgindex].doit : NULL;
}
static rtnl_dumpit_func rtnl_get_dumpit(int protocol, int msgindex)
struct rtnl_link *tab;
tab = rtnl_msg_handlers[protocol];
- if (tab == NULL || tab->dumpit == NULL)
+ if (tab == NULL || tab[msgindex].dumpit == NULL)
tab = rtnl_msg_handlers[PF_UNSPEC];
- return tab ? tab->dumpit : NULL;
+ return tab ? tab[msgindex].dumpit : NULL;
}
/**
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);
+
+/**
+ * __rtnl_link_register - Register rtnl_link_ops with rtnetlink.
+ * @ops: struct rtnl_link_ops * to register
+ *
+ * The caller must hold the rtnl_mutex. This function should be used
+ * by drivers that create devices during module initialization. It
+ * must be called before registering the devices.
+ *
+ * Returns 0 on success or a negative error code.
+ */
+int __rtnl_link_register(struct rtnl_link_ops *ops)
+{
+ if (!ops->dellink)
+ ops->dellink = unregister_netdevice_queue;
+
+ list_add_tail(&ops->list, &link_ops);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(__rtnl_link_register);
+
+/**
+ * rtnl_link_register - Register rtnl_link_ops with rtnetlink.
+ * @ops: struct rtnl_link_ops * to register
+ *
+ * Returns 0 on success or a negative error code.
+ */
+int rtnl_link_register(struct rtnl_link_ops *ops)
+{
+ int err;
+
+ rtnl_lock();
+ err = __rtnl_link_register(ops);
+ 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;
+ LIST_HEAD(list_kill);
+
+ for_each_netdev(net, dev) {
+ 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)
+{
+ rtnl_lock();
+ __rtnl_kill_links(net, ops);
+ rtnl_unlock();
+}
+EXPORT_SYMBOL_GPL(rtnl_kill_links);
+
+/**
+ * __rtnl_link_unregister - Unregister rtnl_link_ops from rtnetlink.
+ * @ops: struct rtnl_link_ops * to unregister
+ *
+ * The caller must hold the rtnl_mutex.
+ */
+void __rtnl_link_unregister(struct rtnl_link_ops *ops)
+{
+ struct net *net;
+
+ for_each_net(net) {
+ __rtnl_kill_links(net, ops);
+ }
+ list_del(&ops->list);
+}
+EXPORT_SYMBOL_GPL(__rtnl_link_unregister);
+
+/**
+ * rtnl_link_unregister - Unregister rtnl_link_ops from rtnetlink.
+ * @ops: struct rtnl_link_ops * to unregister
+ */
+void rtnl_link_unregister(struct rtnl_link_ops *ops)
+{
+ rtnl_lock();
+ __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)
+{
+ const struct rtnl_link_ops *ops;
+
+ list_for_each_entry(ops, &link_ops, list) {
+ if (!strcmp(ops->kind, kind))
+ return ops;
+ }
+ return NULL;
+}
+
+static size_t rtnl_link_get_size(const struct net_device *dev)
+{
+ const struct rtnl_link_ops *ops = dev->rtnl_link_ops;
+ size_t size;
+
+ if (!ops)
+ return 0;
+
+ size = nlmsg_total_size(sizeof(struct nlattr)) + /* IFLA_LINKINFO */
+ nlmsg_total_size(strlen(ops->kind) + 1); /* IFLA_INFO_KIND */
+
+ if (ops->get_size)
+ /* IFLA_INFO_DATA + nested data */
+ size += nlmsg_total_size(sizeof(struct nlattr)) +
+ ops->get_size(dev);
+
+ if (ops->get_xstats_size)
+ size += ops->get_xstats_size(dev); /* IFLA_INFO_XSTATS */
+
+ return size;
+}
+
+static int rtnl_link_fill(struct sk_buff *skb, const struct net_device *dev)
+{
+ const struct rtnl_link_ops *ops = dev->rtnl_link_ops;
+ struct nlattr *linkinfo, *data;
+ int err = -EMSGSIZE;
+
+ linkinfo = nla_nest_start(skb, IFLA_LINKINFO);
+ if (linkinfo == NULL)
+ goto out;
+
+ if (nla_put_string(skb, IFLA_INFO_KIND, ops->kind) < 0)
+ goto err_cancel_link;
+ if (ops->fill_xstats) {
+ err = ops->fill_xstats(skb, dev);
+ if (err < 0)
+ goto err_cancel_link;
+ }
+ if (ops->fill_info) {
+ data = nla_nest_start(skb, IFLA_INFO_DATA);
+ if (data == NULL)
+ goto err_cancel_link;
+ err = ops->fill_info(skb, dev);
+ if (err < 0)
+ goto err_cancel_data;
+ nla_nest_end(skb, data);
+ }
+
+ nla_nest_end(skb, linkinfo);
+ return 0;
+
+err_cancel_data:
+ nla_nest_cancel(skb, data);
+err_cancel_link:
+ nla_nest_cancel(skb, linkinfo);
+out:
+ return err;
+}
+
static const int rtm_min[RTM_NR_FAMILIES] =
{
[RTM_FAM(RTM_NEWLINK)] = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
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);
-size_t rtattr_strlcpy(char *dest, const struct rtattr *rta, size_t size)
-{
- size_t ret = RTA_PAYLOAD(rta);
- char *src = RTA_DATA(rta);
-
- if (ret > 0 && src[ret - 1] == '\0')
- ret--;
- if (size > 0) {
- size_t len = (ret >= size) ? size - 1 : ret;
- memset(dest, 0, size);
- memcpy(dest, src, len);
- }
- return ret;
-}
-
-int rtnetlink_send(struct sk_buff *skb, u32 pid, unsigned group, int echo)
+int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned group, int echo)
{
+ struct sock *rtnl = net->rtnl;
int err = 0;
NETLINK_CB(skb).dst_group = group;
return err;
}
-int rtnl_unicast(struct sk_buff *skb, u32 pid)
+int rtnl_unicast(struct sk_buff *skb, struct net *net, u32 pid)
{
+ struct sock *rtnl = net->rtnl;
+
return nlmsg_unicast(rtnl, skb, pid);
}
+EXPORT_SYMBOL(rtnl_unicast);
-int rtnl_notify(struct sk_buff *skb, u32 pid, u32 group,
- struct nlmsghdr *nlh, gfp_t flags)
+void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group,
+ struct nlmsghdr *nlh, gfp_t flags)
{
+ struct sock *rtnl = net->rtnl;
int report = 0;
if (nlh)
report = nlmsg_report(nlh);
- return nlmsg_notify(rtnl, skb, pid, group, report, flags);
+ nlmsg_notify(rtnl, skb, pid, group, report, flags);
}
+EXPORT_SYMBOL(rtnl_notify);
-void rtnl_set_sk_err(u32 group, int error)
+void rtnl_set_sk_err(struct net *net, u32 group, int error)
{
+ struct sock *rtnl = net->rtnl;
+
netlink_set_err(rtnl, 0, group, error);
}
+EXPORT_SYMBOL(rtnl_set_sk_err);
int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics)
{
return nla_nest_end(skb, mx);
nla_put_failure:
- return nla_nest_cancel(skb, mx);
+ 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) &&
operstate == IF_OPER_UNKNOWN)
operstate = IF_OPER_DORMANT;
break;
- };
+ }
if (dev->operstate != operstate) {
write_lock_bh(&dev_base_lock);
}
static void copy_rtnl_link_stats(struct rtnl_link_stats *a,
- struct net_device_stats *b)
+ const struct net_device_stats *b)
{
a->rx_packets = b->rx_packets;
a->tx_packets = b->tx_packets;
a->tx_compressed = b->tx_compressed;
};
-static inline size_t if_nlmsg_size(int iwbuflen)
+static inline size_t if_nlmsg_size(const struct net_device *dev)
{
return NLMSG_ALIGN(sizeof(struct ifinfomsg))
+ nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */
+ + nla_total_size(IFALIASZ) /* IFLA_IFALIAS */
+ nla_total_size(IFNAMSIZ) /* IFLA_QDISC */
+ nla_total_size(sizeof(struct rtnl_link_ifmap))
+ nla_total_size(sizeof(struct rtnl_link_stats))
+ nla_total_size(4) /* IFLA_MASTER */
+ nla_total_size(1) /* IFLA_OPERSTATE */
+ nla_total_size(1) /* IFLA_LINKMODE */
- + nla_total_size(iwbuflen);
+ + rtnl_link_get_size(dev); /* IFLA_LINKINFO */
}
static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
- void *iwbuf, int iwbuflen, int type, u32 pid,
- u32 seq, u32 change, unsigned int flags)
+ int type, u32 pid, u32 seq, u32 change,
+ unsigned int flags)
{
struct ifinfomsg *ifm;
struct nlmsghdr *nlh;
+ const struct net_device_stats *stats;
+ struct nlattr *attr;
nlh = nlmsg_put(skb, pid, seq, type, sizeof(*ifm), flags);
if (nlh == NULL)
NLA_PUT_STRING(skb, IFLA_IFNAME, dev->name);
NLA_PUT_U32(skb, IFLA_TXQLEN, dev->tx_queue_len);
- NLA_PUT_U32(skb, IFLA_WEIGHT, dev->weight);
NLA_PUT_U8(skb, IFLA_OPERSTATE,
netif_running(dev) ? dev->operstate : IF_OPER_DOWN);
NLA_PUT_U8(skb, IFLA_LINKMODE, dev->link_mode);
if (dev->master)
NLA_PUT_U32(skb, IFLA_MASTER, dev->master->ifindex);
- if (dev->qdisc_sleeping)
- NLA_PUT_STRING(skb, IFLA_QDISC, dev->qdisc_sleeping->ops->id);
+ if (dev->qdisc)
+ NLA_PUT_STRING(skb, IFLA_QDISC, dev->qdisc->ops->id);
+
+ if (dev->ifalias)
+ NLA_PUT_STRING(skb, IFLA_IFALIAS, dev->ifalias);
if (1) {
struct rtnl_link_ifmap map = {
NLA_PUT(skb, IFLA_BROADCAST, dev->addr_len, dev->broadcast);
}
- if (dev->get_stats) {
- struct net_device_stats *stats = dev->get_stats(dev);
- if (stats) {
- struct nlattr *attr;
+ attr = nla_reserve(skb, IFLA_STATS,
+ sizeof(struct rtnl_link_stats));
+ if (attr == NULL)
+ goto nla_put_failure;
- attr = nla_reserve(skb, IFLA_STATS,
- sizeof(struct rtnl_link_stats));
- if (attr == NULL)
- goto nla_put_failure;
+ stats = dev_get_stats(dev);
+ copy_rtnl_link_stats(nla_data(attr), stats);
- copy_rtnl_link_stats(nla_data(attr), stats);
- }
+ if (dev->rtnl_link_ops) {
+ if (rtnl_link_fill(skb, dev) < 0)
+ goto nla_put_failure;
}
- if (iwbuf)
- NLA_PUT(skb, IFLA_WIRELESS, iwbuflen, iwbuf);
-
return nlmsg_end(skb, nlh);
nla_put_failure:
static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
{
- int idx;
- int s_idx = cb->args[0];
+ struct net *net = sock_net(skb->sk);
+ int h, s_h;
+ int idx = 0, s_idx;
struct net_device *dev;
-
- read_lock(&dev_base_lock);
- for (dev=dev_base, idx=0; dev; dev = dev->next, idx++) {
- if (idx < s_idx)
- continue;
- if (rtnl_fill_ifinfo(skb, dev, NULL, 0, RTM_NEWLINK,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, 0, NLM_F_MULTI) <= 0)
- break;
+ struct hlist_head *head;
+ struct hlist_node *node;
+
+ s_h = cb->args[0];
+ s_idx = cb->args[1];
+
+ for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
+ idx = 0;
+ head = &net->dev_index_head[h];
+ hlist_for_each_entry(dev, node, head, index_hlist) {
+ if (idx < s_idx)
+ goto cont;
+ if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, 0,
+ NLM_F_MULTI) <= 0)
+ goto out;
+cont:
+ idx++;
+ }
}
- read_unlock(&dev_base_lock);
- cb->args[0] = idx;
+out:
+ cb->args[1] = idx;
+ cb->args[0] = h;
return skb->len;
}
-static struct nla_policy ifla_policy[IFLA_MAX+1] __read_mostly = {
+const struct nla_policy ifla_policy[IFLA_MAX+1] = {
[IFLA_IFNAME] = { .type = NLA_STRING, .len = IFNAMSIZ-1 },
+ [IFLA_ADDRESS] = { .type = NLA_BINARY, .len = MAX_ADDR_LEN },
+ [IFLA_BROADCAST] = { .type = NLA_BINARY, .len = MAX_ADDR_LEN },
[IFLA_MAP] = { .len = sizeof(struct rtnl_link_ifmap) },
[IFLA_MTU] = { .type = NLA_U32 },
+ [IFLA_LINK] = { .type = NLA_U32 },
[IFLA_TXQLEN] = { .type = NLA_U32 },
[IFLA_WEIGHT] = { .type = NLA_U32 },
[IFLA_OPERSTATE] = { .type = NLA_U8 },
[IFLA_LINKMODE] = { .type = NLA_U8 },
+ [IFLA_LINKINFO] = { .type = NLA_NESTED },
+ [IFLA_NET_NS_PID] = { .type = NLA_U32 },
+ [IFLA_IFALIAS] = { .type = NLA_STRING, .len = IFALIASZ-1 },
};
+EXPORT_SYMBOL(ifla_policy);
-static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
-{
- struct ifinfomsg *ifm;
- struct net_device *dev;
- int err, send_addr_notify = 0, modified = 0;
- struct nlattr *tb[IFLA_MAX+1];
- char ifname[IFNAMSIZ];
-
- err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy);
- if (err < 0)
- goto errout;
-
- if (tb[IFLA_IFNAME])
- nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
- else
- ifname[0] = '\0';
+static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
+ [IFLA_INFO_KIND] = { .type = NLA_STRING },
+ [IFLA_INFO_DATA] = { .type = NLA_NESTED },
+};
- err = -EINVAL;
- ifm = nlmsg_data(nlh);
- if (ifm->ifi_index >= 0)
- dev = dev_get_by_index(ifm->ifi_index);
- else if (tb[IFLA_IFNAME])
- dev = dev_get_by_name(ifname);
+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
- goto errout;
+ net = get_net(src_net);
+ return net;
+}
+EXPORT_SYMBOL(rtnl_link_get_net);
- if (dev == NULL) {
- err = -ENODEV;
- goto errout;
+static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
+{
+ if (dev) {
+ if (tb[IFLA_ADDRESS] &&
+ nla_len(tb[IFLA_ADDRESS]) < dev->addr_len)
+ return -EINVAL;
+
+ if (tb[IFLA_BROADCAST] &&
+ nla_len(tb[IFLA_BROADCAST]) < dev->addr_len)
+ return -EINVAL;
}
- if (tb[IFLA_ADDRESS] &&
- nla_len(tb[IFLA_ADDRESS]) < dev->addr_len)
- goto errout_dev;
+ return 0;
+}
+
+static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
+ struct nlattr **tb, char *ifname, int modified)
+{
+ const struct net_device_ops *ops = dev->netdev_ops;
+ int send_addr_notify = 0;
+ int err;
- if (tb[IFLA_BROADCAST] &&
- nla_len(tb[IFLA_BROADCAST]) < dev->addr_len)
- goto errout_dev;
+ if (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;
+ }
+ err = dev_change_net_namespace(dev, net, ifname);
+ put_net(net);
+ if (err)
+ goto errout;
+ modified = 1;
+ }
if (tb[IFLA_MAP]) {
struct rtnl_link_ifmap *u_map;
struct ifmap k_map;
- if (!dev->set_config) {
+ if (!ops->ndo_set_config) {
err = -EOPNOTSUPP;
- goto errout_dev;
+ goto errout;
}
if (!netif_device_present(dev)) {
err = -ENODEV;
- goto errout_dev;
+ goto errout;
}
u_map = nla_data(tb[IFLA_MAP]);
k_map.dma = (unsigned char) u_map->dma;
k_map.port = (unsigned char) u_map->port;
- err = dev->set_config(dev, &k_map);
+ err = ops->ndo_set_config(dev, &k_map);
if (err < 0)
- goto errout_dev;
+ goto errout;
modified = 1;
}
struct sockaddr *sa;
int len;
- if (!dev->set_mac_address) {
+ if (!ops->ndo_set_mac_address) {
err = -EOPNOTSUPP;
- goto errout_dev;
+ goto errout;
}
if (!netif_device_present(dev)) {
err = -ENODEV;
- goto errout_dev;
+ goto errout;
}
len = sizeof(sa_family_t) + dev->addr_len;
sa = kmalloc(len, GFP_KERNEL);
if (!sa) {
err = -ENOMEM;
- goto errout_dev;
+ goto errout;
}
sa->sa_family = dev->type;
memcpy(sa->sa_data, nla_data(tb[IFLA_ADDRESS]),
dev->addr_len);
- err = dev->set_mac_address(dev, sa);
+ err = ops->ndo_set_mac_address(dev, sa);
kfree(sa);
if (err)
- goto errout_dev;
+ goto errout;
send_addr_notify = 1;
modified = 1;
}
if (tb[IFLA_MTU]) {
err = dev_set_mtu(dev, nla_get_u32(tb[IFLA_MTU]));
if (err < 0)
- goto errout_dev;
+ goto errout;
modified = 1;
}
* name provided implies that a name change has been
* requested.
*/
- if (ifm->ifi_index >= 0 && ifname[0]) {
+ if (ifm->ifi_index > 0 && ifname[0]) {
err = dev_change_name(dev, ifname);
if (err < 0)
- goto errout_dev;
+ goto errout;
modified = 1;
}
-#ifdef CONFIG_NET_WIRELESS_RTNETLINK
- if (tb[IFLA_WIRELESS]) {
- /* Call Wireless Extensions.
- * Various stuff checked in there... */
- err = wireless_rtnetlink_set(dev, nla_data(tb[IFLA_WIRELESS]),
- nla_len(tb[IFLA_WIRELESS]));
+ if (tb[IFLA_IFALIAS]) {
+ err = dev_set_alias(dev, nla_data(tb[IFLA_IFALIAS]),
+ nla_len(tb[IFLA_IFALIAS]));
if (err < 0)
- goto errout_dev;
+ goto errout;
+ modified = 1;
}
-#endif /* CONFIG_NET_WIRELESS_RTNETLINK */
if (tb[IFLA_BROADCAST]) {
nla_memcpy(dev->broadcast, tb[IFLA_BROADCAST], dev->addr_len);
send_addr_notify = 1;
}
+ if (ifm->ifi_flags || ifm->ifi_change) {
+ unsigned int flags = ifm->ifi_flags;
- if (ifm->ifi_flags)
- dev_change_flags(dev, ifm->ifi_flags);
+ /* bugwards compatibility: ifi_change == 0 is treated as ~0 */
+ if (ifm->ifi_change)
+ flags = (flags & ifm->ifi_change) |
+ (dev->flags & ~ifm->ifi_change);
+ err = dev_change_flags(dev, flags);
+ if (err < 0)
+ goto errout;
+ }
if (tb[IFLA_TXQLEN])
dev->tx_queue_len = nla_get_u32(tb[IFLA_TXQLEN]);
- if (tb[IFLA_WEIGHT])
- dev->weight = nla_get_u32(tb[IFLA_WEIGHT]);
-
if (tb[IFLA_OPERSTATE])
set_operstate(dev, nla_get_u8(tb[IFLA_OPERSTATE]));
err = 0;
-errout_dev:
+errout:
if (err < 0 && modified && net_ratelimit())
printk(KERN_WARNING "A link change request failed with "
"some changes comitted already. Interface %s may "
if (send_addr_notify)
call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
+ return err;
+}
+
+static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
+{
+ struct net *net = sock_net(skb->sk);
+ struct ifinfomsg *ifm;
+ struct net_device *dev;
+ int err;
+ struct nlattr *tb[IFLA_MAX+1];
+ char ifname[IFNAMSIZ];
+
+ err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy);
+ if (err < 0)
+ goto errout;
+
+ if (tb[IFLA_IFNAME])
+ nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
+ else
+ ifname[0] = '\0';
+
+ err = -EINVAL;
+ ifm = nlmsg_data(nlh);
+ if (ifm->ifi_index > 0)
+ dev = __dev_get_by_index(net, ifm->ifi_index);
+ else if (tb[IFLA_IFNAME])
+ dev = __dev_get_by_name(net, ifname);
+ else
+ goto errout;
+
+ if (dev == NULL) {
+ err = -ENODEV;
+ goto errout;
+ }
+
+ err = validate_linkmsg(dev, tb);
+ if (err < 0)
+ goto errout;
- dev_put(dev);
+ err = do_setlink(dev, ifm, tb, ifname, 0);
errout:
return err;
}
-static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
+static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
+ struct net *net = sock_net(skb->sk);
+ const struct rtnl_link_ops *ops;
+ struct net_device *dev;
struct ifinfomsg *ifm;
+ char ifname[IFNAMSIZ];
struct nlattr *tb[IFLA_MAX+1];
- struct net_device *dev = NULL;
- struct sk_buff *nskb;
- char *iw_buf = NULL, *iw = NULL;
- int iw_buf_len = 0;
int err;
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy);
if (err < 0)
return err;
+ if (tb[IFLA_IFNAME])
+ nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
+
ifm = nlmsg_data(nlh);
- if (ifm->ifi_index >= 0) {
- dev = dev_get_by_index(ifm->ifi_index);
- if (dev == NULL)
- return -ENODEV;
- } else
+ if (ifm->ifi_index > 0)
+ dev = __dev_get_by_index(net, ifm->ifi_index);
+ else if (tb[IFLA_IFNAME])
+ dev = __dev_get_by_name(net, ifname);
+ else
return -EINVAL;
+ if (!dev)
+ return -ENODEV;
+
+ ops = dev->rtnl_link_ops;
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ ops->dellink(dev, NULL);
+ return 0;
+}
+
+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 num_queues = 1;
+ unsigned int real_num_queues = 1;
-#ifdef CONFIG_NET_WIRELESS_RTNETLINK
- if (tb[IFLA_WIRELESS]) {
- /* Call Wireless Extensions. We need to know the size before
- * we can alloc. Various stuff checked in there... */
- err = wireless_rtnetlink_get(dev, nla_data(tb[IFLA_WIRELESS]),
- nla_len(tb[IFLA_WIRELESS]),
- &iw_buf, &iw_buf_len);
+ if (ops->get_tx_queues) {
+ err = ops->get_tx_queues(src_net, tb, &num_queues,
+ &real_num_queues);
+ if (err)
+ goto err;
+ }
+ err = -ENOMEM;
+ dev = alloc_netdev_mq(ops->priv_size, ifname, ops->setup, num_queues);
+ 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 errout;
+ goto err_free;
+ }
- /* Payload is at an offset in buffer */
- iw = iw_buf + IW_EV_POINT_OFF;
+ if (tb[IFLA_MTU])
+ dev->mtu = nla_get_u32(tb[IFLA_MTU]);
+ if (tb[IFLA_ADDRESS])
+ memcpy(dev->dev_addr, nla_data(tb[IFLA_ADDRESS]),
+ nla_len(tb[IFLA_ADDRESS]));
+ if (tb[IFLA_BROADCAST])
+ memcpy(dev->broadcast, nla_data(tb[IFLA_BROADCAST]),
+ nla_len(tb[IFLA_BROADCAST]));
+ if (tb[IFLA_TXQLEN])
+ dev->tx_queue_len = nla_get_u32(tb[IFLA_TXQLEN]);
+ if (tb[IFLA_OPERSTATE])
+ set_operstate(dev, nla_get_u8(tb[IFLA_OPERSTATE]));
+ if (tb[IFLA_LINKMODE])
+ dev->link_mode = nla_get_u8(tb[IFLA_LINKMODE]);
+
+ return dev;
+
+err_free:
+ free_netdev(dev);
+err:
+ return ERR_PTR(err);
+}
+EXPORT_SYMBOL(rtnl_create_link);
+
+static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
+{
+ struct net *net = sock_net(skb->sk);
+ const struct rtnl_link_ops *ops;
+ struct net_device *dev;
+ struct ifinfomsg *ifm;
+ char kind[MODULE_NAME_LEN];
+ char ifname[IFNAMSIZ];
+ struct nlattr *tb[IFLA_MAX+1];
+ struct nlattr *linkinfo[IFLA_INFO_MAX+1];
+ int err;
+
+#ifdef CONFIG_MODULES
+replay:
+#endif
+ err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy);
+ if (err < 0)
+ return err;
+
+ if (tb[IFLA_IFNAME])
+ nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
+ else
+ ifname[0] = '\0';
+
+ ifm = nlmsg_data(nlh);
+ if (ifm->ifi_index > 0)
+ dev = __dev_get_by_index(net, ifm->ifi_index);
+ else if (ifname[0])
+ dev = __dev_get_by_name(net, ifname);
+ else
+ dev = NULL;
+
+ err = validate_linkmsg(dev, tb);
+ if (err < 0)
+ return err;
+
+ if (tb[IFLA_LINKINFO]) {
+ err = nla_parse_nested(linkinfo, IFLA_INFO_MAX,
+ tb[IFLA_LINKINFO], ifla_info_policy);
+ if (err < 0)
+ return err;
+ } else
+ memset(linkinfo, 0, sizeof(linkinfo));
+
+ if (linkinfo[IFLA_INFO_KIND]) {
+ nla_strlcpy(kind, linkinfo[IFLA_INFO_KIND], sizeof(kind));
+ ops = rtnl_link_ops_get(kind);
+ } else {
+ kind[0] = '\0';
+ ops = NULL;
}
-#endif /* CONFIG_NET_WIRELESS_RTNETLINK */
- nskb = nlmsg_new(if_nlmsg_size(iw_buf_len), GFP_KERNEL);
- if (nskb == NULL) {
- err = -ENOBUFS;
- goto errout;
+ 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]) {
+ err = nla_parse_nested(attr, ops->maxtype,
+ linkinfo[IFLA_INFO_DATA],
+ ops->policy);
+ if (err < 0)
+ return err;
+ data = attr;
+ }
+ if (ops->validate) {
+ err = ops->validate(tb, data);
+ if (err < 0)
+ return err;
+ }
+ }
+
+ if (dev) {
+ int modified = 0;
+
+ if (nlh->nlmsg_flags & NLM_F_EXCL)
+ return -EEXIST;
+ if (nlh->nlmsg_flags & NLM_F_REPLACE)
+ return -EOPNOTSUPP;
+
+ if (linkinfo[IFLA_INFO_DATA]) {
+ if (!ops || ops != dev->rtnl_link_ops ||
+ !ops->changelink)
+ return -EOPNOTSUPP;
+
+ err = ops->changelink(dev, tb, data);
+ if (err < 0)
+ return err;
+ modified = 1;
+ }
+
+ return do_setlink(dev, ifm, tb, ifname, modified);
+ }
+
+ if (!(nlh->nlmsg_flags & NLM_F_CREATE))
+ return -ENODEV;
+
+ if (ifm->ifi_index || ifm->ifi_flags || ifm->ifi_change)
+ return -EOPNOTSUPP;
+ if (tb[IFLA_MAP] || tb[IFLA_MASTER] || tb[IFLA_PROTINFO])
+ return -EOPNOTSUPP;
+
+ if (!ops) {
+#ifdef CONFIG_MODULES
+ if (kind[0]) {
+ __rtnl_unlock();
+ request_module("rtnl-link-%s", kind);
+ rtnl_lock();
+ ops = rtnl_link_ops_get(kind);
+ if (ops)
+ goto replay;
+ }
+#endif
+ return -EOPNOTSUPP;
+ }
+
+ if (!ifname[0])
+ snprintf(ifname, IFNAMSIZ, "%s%%d", ops->kind);
+
+ 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(net, dev, tb, data);
+ else
+ err = register_netdevice(dev);
+ if (err < 0 && !IS_ERR(dev))
+ free_netdev(dev);
+
+ put_net(dest_net);
+ return err;
}
+}
- err = rtnl_fill_ifinfo(nskb, dev, iw, iw_buf_len, RTM_NEWLINK,
- NETLINK_CB(skb).pid, nlh->nlmsg_seq, 0, 0);
+static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
+{
+ struct net *net = sock_net(skb->sk);
+ struct ifinfomsg *ifm;
+ char ifname[IFNAMSIZ];
+ struct nlattr *tb[IFLA_MAX+1];
+ struct net_device *dev = NULL;
+ struct sk_buff *nskb;
+ int err;
+
+ err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy);
+ if (err < 0)
+ return err;
+
+ if (tb[IFLA_IFNAME])
+ nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
+
+ ifm = nlmsg_data(nlh);
+ if (ifm->ifi_index > 0)
+ dev = __dev_get_by_index(net, ifm->ifi_index);
+ else if (tb[IFLA_IFNAME])
+ dev = __dev_get_by_name(net, ifname);
+ else
+ return -EINVAL;
+
+ if (dev == NULL)
+ return -ENODEV;
+
+ nskb = nlmsg_new(if_nlmsg_size(dev), GFP_KERNEL);
+ if (nskb == NULL)
+ return -ENOBUFS;
+
+ err = rtnl_fill_ifinfo(nskb, dev, RTM_NEWLINK, NETLINK_CB(skb).pid,
+ nlh->nlmsg_seq, 0, 0);
if (err < 0) {
/* -EMSGSIZE implies BUG in if_nlmsg_size */
WARN_ON(err == -EMSGSIZE);
kfree_skb(nskb);
- goto errout;
- }
- err = rtnl_unicast(nskb, NETLINK_CB(skb).pid);
-errout:
- kfree(iw_buf);
- dev_put(dev);
+ } else
+ err = rtnl_unicast(nskb, net, NETLINK_CB(skb).pid);
return err;
}
-int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
+static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
{
int idx;
int s_idx = cb->family;
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;
return skb->len;
}
-EXPORT_SYMBOL_GPL(rtnl_dump_all);
-
void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change)
{
+ struct net *net = dev_net(dev);
struct sk_buff *skb;
int err = -ENOBUFS;
- skb = nlmsg_new(if_nlmsg_size(0), GFP_KERNEL);
+ skb = nlmsg_new(if_nlmsg_size(dev), GFP_KERNEL);
if (skb == NULL)
goto errout;
- err = rtnl_fill_ifinfo(skb, dev, NULL, 0, type, 0, 0, change, 0);
+ err = rtnl_fill_ifinfo(skb, dev, type, 0, 0, change, 0);
if (err < 0) {
/* -EMSGSIZE implies BUG in if_nlmsg_size() */
WARN_ON(err == -EMSGSIZE);
kfree_skb(skb);
goto errout;
}
- err = rtnl_notify(skb, 0, RTNLGRP_LINK, NULL, GFP_KERNEL);
+ rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_KERNEL);
+ return;
errout:
if (err < 0)
- rtnl_set_sk_err(RTNLGRP_LINK, err);
+ rtnl_set_sk_err(net, RTNLGRP_LINK, err);
}
/* Protected by RTNL sempahore. */
/* Process one rtnetlink message. */
-static __inline__ int
-rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *errp)
+static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
+ struct net *net = sock_net(skb->sk);
rtnl_doit_func doit;
int sz_idx, kind;
int min_len;
int type;
int err;
- /* Only requests are handled by kernel now */
- if (!(nlh->nlmsg_flags&NLM_F_REQUEST))
- return 0;
-
type = nlh->nlmsg_type;
-
- /* A control message: ignore them */
- if (type < RTM_BASE)
- return 0;
-
- /* Unknown message: reply with EINVAL */
if (type > RTM_MAX)
- goto err_inval;
+ return -EOPNOTSUPP;
type -= RTM_BASE;
if (nlh->nlmsg_len < NLMSG_LENGTH(sizeof(struct rtgenmsg)))
return 0;
- family = ((struct rtgenmsg*)NLMSG_DATA(nlh))->rtgen_family;
- if (family >= NPROTO) {
- *errp = -EAFNOSUPPORT;
- return -1;
- }
+ family = ((struct rtgenmsg *)NLMSG_DATA(nlh))->rtgen_family;
+ if (family >= NPROTO)
+ return -EAFNOSUPPORT;
sz_idx = type>>2;
kind = type&3;
- if (kind != 2 && security_netlink_recv(skb, CAP_NET_ADMIN)) {
- *errp = -EPERM;
- return -1;
- }
+ if (kind != 2 && security_netlink_recv(skb, CAP_NET_ADMIN))
+ return -EPERM;
if (kind == 2 && nlh->nlmsg_flags&NLM_F_DUMP) {
+ struct sock *rtnl;
rtnl_dumpit_func dumpit;
dumpit = rtnl_get_dumpit(family, type);
if (dumpit == NULL)
- goto err_inval;
-
- if ((*errp = netlink_dump_start(rtnl, skb, nlh,
- dumpit, NULL)) != 0) {
- return -1;
- }
+ return -EOPNOTSUPP;
- netlink_queue_skip(nlh, skb);
- return -1;
+ __rtnl_unlock();
+ rtnl = net->rtnl;
+ err = netlink_dump_start(rtnl, skb, nlh, dumpit, NULL);
+ rtnl_lock();
+ return err;
}
memset(rta_buf, 0, (rtattr_max * sizeof(struct rtattr *)));
min_len = rtm_min[sz_idx];
if (nlh->nlmsg_len < min_len)
- goto err_inval;
+ return -EINVAL;
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;
if (flavor) {
if (flavor > rta_max[sz_idx])
- goto err_inval;
+ return -EINVAL;
rta_buf[flavor-1] = attr;
}
attr = RTA_NEXT(attr, attrlen);
doit = rtnl_get_doit(family, type);
if (doit == NULL)
- goto err_inval;
- err = doit(skb, nlh, (void *)&rta_buf[0]);
+ return -EOPNOTSUPP;
- *errp = err;
- return err;
-
-err_inval:
- *errp = -EINVAL;
- return -1;
+ return doit(skb, nlh, (void *)&rta_buf[0]);
}
-static void rtnetlink_rcv(struct sock *sk, int len)
+static void rtnetlink_rcv(struct sk_buff *skb)
{
- unsigned int qlen = 0;
-
- do {
- mutex_lock(&rtnl_mutex);
- netlink_run_queue(sk, &qlen, &rtnetlink_rcv_msg);
- mutex_unlock(&rtnl_mutex);
-
- netdev_run_todo();
- } while (qlen);
+ rtnl_lock();
+ netlink_rcv_skb(skb, &rtnetlink_rcv_msg);
+ rtnl_unlock();
}
-static struct rtnetlink_link link_rtnetlink_table[RTM_NR_MSGTYPES] =
-{
- [RTM_GETADDR - RTM_BASE] = { .dumpit = rtnl_dump_all },
- [RTM_GETROUTE - RTM_BASE] = { .dumpit = rtnl_dump_all },
- [RTM_NEWNEIGH - RTM_BASE] = { .doit = neigh_add },
- [RTM_DELNEIGH - RTM_BASE] = { .doit = neigh_delete },
- [RTM_GETNEIGH - RTM_BASE] = { .dumpit = neigh_dump_info },
-#ifdef CONFIG_FIB_RULES
- [RTM_NEWRULE - RTM_BASE] = { .doit = fib_nl_newrule },
- [RTM_DELRULE - RTM_BASE] = { .doit = fib_nl_delrule },
-#endif
- [RTM_GETRULE - RTM_BASE] = { .dumpit = rtnl_dump_all },
- [RTM_GETNEIGHTBL - RTM_BASE] = { .dumpit = neightbl_dump_info },
- [RTM_SETNEIGHTBL - RTM_BASE] = { .doit = neightbl_set },
-};
-
static int rtnetlink_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = ptr;
+
switch (event) {
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);
.notifier_call = rtnetlink_event,
};
+
+static int __net_init rtnetlink_net_init(struct net *net)
+{
+ struct sock *sk;
+ sk = netlink_kernel_create(net, NETLINK_ROUTE, RTNLGRP_MAX,
+ rtnetlink_rcv, &rtnl_mutex, THIS_MODULE);
+ if (!sk)
+ return -ENOMEM;
+ net->rtnl = sk;
+ return 0;
+}
+
+static void __net_exit rtnetlink_net_exit(struct net *net)
+{
+ netlink_kernel_release(net->rtnl);
+ net->rtnl = NULL;
+}
+
+static struct pernet_operations rtnetlink_net_ops = {
+ .init = rtnetlink_net_init,
+ .exit = rtnetlink_net_exit,
+};
+
void __init rtnetlink_init(void)
{
int i;
if (!rta_buf)
panic("rtnetlink_init: cannot allocate rta_buf\n");
- rtnl = netlink_kernel_create(NETLINK_ROUTE, RTNLGRP_MAX, rtnetlink_rcv,
- THIS_MODULE);
- if (rtnl == NULL)
+ if (register_pernet_subsys(&rtnetlink_net_ops))
panic("rtnetlink_init: cannot initialize rtnetlink\n");
+
netlink_set_nonroot(NETLINK_ROUTE, NL_NONROOT_RECV);
register_netdevice_notifier(&rtnetlink_dev_notifier);
rtnl_register(PF_UNSPEC, RTM_GETLINK, rtnl_getlink, rtnl_dump_ifinfo);
rtnl_register(PF_UNSPEC, RTM_SETLINK, rtnl_setlink, NULL);
+ rtnl_register(PF_UNSPEC, RTM_NEWLINK, rtnl_newlink, NULL);
+ rtnl_register(PF_UNSPEC, RTM_DELLINK, rtnl_dellink, NULL);
+
+ rtnl_register(PF_UNSPEC, RTM_GETADDR, NULL, rtnl_dump_all);
+ rtnl_register(PF_UNSPEC, RTM_GETROUTE, NULL, rtnl_dump_all);
}
-EXPORT_SYMBOL(__rta_fill);
-EXPORT_SYMBOL(rtattr_strlcpy);
-EXPORT_SYMBOL(rtattr_parse);
-EXPORT_SYMBOL(rtnetlink_put_metrics);
-EXPORT_SYMBOL(rtnl_lock);
-EXPORT_SYMBOL(rtnl_trylock);
-EXPORT_SYMBOL(rtnl_unlock);
-EXPORT_SYMBOL(rtnl_unicast);
-EXPORT_SYMBOL(rtnl_notify);
-EXPORT_SYMBOL(rtnl_set_sk_err);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff