mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-11-03 22:44:27 -05:00
108 lines
3.3 KiB
Diff
108 lines
3.3 KiB
Diff
--- a/include/net/addrconf.h
|
|
+++ b/include/net/addrconf.h
|
|
@@ -88,6 +88,12 @@ int ipv6_rcv_saddr_equal(const struct so
|
|
void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr);
|
|
void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr);
|
|
|
|
+extern int (*ipv6_dev_get_saddr_hook)(struct net *net,
|
|
+ const struct net_device *dev,
|
|
+ const struct in6_addr *daddr,
|
|
+ unsigned int prefs,
|
|
+ struct in6_addr *saddr);
|
|
+
|
|
static inline unsigned long addrconf_timeout_fixup(u32 timeout,
|
|
unsigned int unit)
|
|
{
|
|
--- a/net/bridge/Kconfig
|
|
+++ b/net/bridge/Kconfig
|
|
@@ -6,7 +6,6 @@ config BRIDGE
|
|
tristate "802.1d Ethernet Bridging"
|
|
select LLC
|
|
select STP
|
|
- depends on IPV6 || IPV6=n
|
|
---help---
|
|
If you say Y here, then your Linux box will be able to act as an
|
|
Ethernet bridge, which means that the different Ethernet segments it
|
|
--- a/net/ipv6/Makefile
|
|
+++ b/net/ipv6/Makefile
|
|
@@ -44,3 +44,4 @@ obj-y += addrconf_core.o exthdrs_core.o
|
|
obj-$(CONFIG_INET) += output_core.o protocol.o $(ipv6-offload)
|
|
|
|
obj-$(subst m,y,$(CONFIG_IPV6)) += inet6_hashtables.o
|
|
+obj-$(subst m,y,$(CONFIG_IPV6)) += inet6_stubs.o
|
|
--- a/net/ipv6/addrconf.c
|
|
+++ b/net/ipv6/addrconf.c
|
|
@@ -1285,7 +1285,7 @@ out:
|
|
return ret;
|
|
}
|
|
|
|
-int ipv6_dev_get_saddr(struct net *net, const struct net_device *dst_dev,
|
|
+static int __ipv6_dev_get_saddr(struct net *net, const struct net_device *dst_dev,
|
|
const struct in6_addr *daddr, unsigned int prefs,
|
|
struct in6_addr *saddr)
|
|
{
|
|
@@ -1410,7 +1410,6 @@ try_nextdev:
|
|
in6_ifa_put(hiscore->ifa);
|
|
return 0;
|
|
}
|
|
-EXPORT_SYMBOL(ipv6_dev_get_saddr);
|
|
|
|
int __ipv6_get_lladdr(struct inet6_dev *idev, struct in6_addr *addr,
|
|
unsigned char banned_flags)
|
|
@@ -5188,6 +5187,9 @@ int __init addrconf_init(void)
|
|
|
|
ipv6_addr_label_rtnl_register();
|
|
|
|
+ BUG_ON(ipv6_dev_get_saddr_hook != NULL);
|
|
+ rcu_assign_pointer(ipv6_dev_get_saddr_hook, __ipv6_dev_get_saddr);
|
|
+
|
|
return 0;
|
|
errout:
|
|
rtnl_af_unregister(&inet6_ops);
|
|
@@ -5206,6 +5208,9 @@ void addrconf_cleanup(void)
|
|
struct net_device *dev;
|
|
int i;
|
|
|
|
+ rcu_assign_pointer(ipv6_dev_get_saddr_hook, NULL);
|
|
+ synchronize_rcu();
|
|
+
|
|
unregister_netdevice_notifier(&ipv6_dev_notf);
|
|
unregister_pernet_subsys(&addrconf_ops);
|
|
ipv6_addr_label_cleanup();
|
|
--- /dev/null
|
|
+++ b/net/ipv6/inet6_stubs.c
|
|
@@ -0,0 +1,33 @@
|
|
+/*
|
|
+ * 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
|
|
+ * 2 of the License, or (at your option) any later version.
|
|
+ */
|
|
+#include <linux/export.h>
|
|
+#include <net/ipv6.h>
|
|
+
|
|
+int (*ipv6_dev_get_saddr_hook)(struct net *net, const struct net_device *dev,
|
|
+ const struct in6_addr *daddr, unsigned int prefs,
|
|
+ struct in6_addr *saddr);
|
|
+
|
|
+EXPORT_SYMBOL(ipv6_dev_get_saddr_hook);
|
|
+
|
|
+int ipv6_dev_get_saddr(struct net *net, const struct net_device *dst_dev,
|
|
+ const struct in6_addr *daddr, unsigned int prefs,
|
|
+ struct in6_addr *saddr)
|
|
+{
|
|
+ int ret = -EADDRNOTAVAIL;
|
|
+ typeof(ipv6_dev_get_saddr_hook) dev_get_saddr;
|
|
+
|
|
+ rcu_read_lock();
|
|
+ dev_get_saddr = rcu_dereference(ipv6_dev_get_saddr_hook);
|
|
+
|
|
+ if (dev_get_saddr)
|
|
+ ret = dev_get_saddr(net, dst_dev, daddr, prefs, saddr);
|
|
+
|
|
+ rcu_read_unlock();
|
|
+ return ret;
|
|
+}
|
|
+EXPORT_SYMBOL(ipv6_dev_get_saddr);
|
|
+
|