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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /include/net/addrconf.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'include/net/addrconf.h')
-rw-r--r--include/net/addrconf.h285
1 files changed, 285 insertions, 0 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
new file mode 100644
index 00000000..757a1763
--- /dev/null
+++ b/include/net/addrconf.h
@@ -0,0 +1,285 @@
+#ifndef _ADDRCONF_H
+#define _ADDRCONF_H
+
+#define MAX_RTR_SOLICITATIONS 3
+#define RTR_SOLICITATION_INTERVAL (4*HZ)
+
+#define MIN_VALID_LIFETIME (2*3600) /* 2 hours */
+
+#define TEMP_VALID_LIFETIME (7*86400)
+#define TEMP_PREFERRED_LIFETIME (86400)
+#define REGEN_MAX_RETRY (3)
+#define MAX_DESYNC_FACTOR (600)
+
+#define ADDR_CHECK_FREQUENCY (120*HZ)
+
+#define IPV6_MAX_ADDRESSES 16
+
+#include <linux/in.h>
+#include <linux/in6.h>
+
+struct prefix_info {
+ __u8 type;
+ __u8 length;
+ __u8 prefix_len;
+
+#if defined(__BIG_ENDIAN_BITFIELD)
+ __u8 onlink : 1,
+ autoconf : 1,
+ reserved : 6;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 reserved : 6,
+ autoconf : 1,
+ onlink : 1;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+ __be32 valid;
+ __be32 prefered;
+ __be32 reserved2;
+
+ struct in6_addr prefix;
+};
+
+
+#include <linux/netdevice.h>
+#include <net/if_inet6.h>
+#include <net/ipv6.h>
+
+#define IN6_ADDR_HSIZE 16
+
+extern int addrconf_init(void);
+extern void addrconf_cleanup(void);
+
+extern int addrconf_add_ifaddr(struct net *net,
+ void __user *arg);
+extern int addrconf_del_ifaddr(struct net *net,
+ void __user *arg);
+extern int addrconf_set_dstaddr(struct net *net,
+ void __user *arg);
+
+extern int ipv6_chk_addr(struct net *net,
+ const struct in6_addr *addr,
+ struct net_device *dev,
+ int strict);
+
+#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
+extern int ipv6_chk_home_addr(struct net *net,
+ const struct in6_addr *addr);
+#endif
+
+extern int ipv6_chk_prefix(const struct in6_addr *addr,
+ struct net_device *dev);
+
+extern struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net,
+ const struct in6_addr *addr,
+ struct net_device *dev,
+ int strict);
+
+extern int ipv6_dev_get_saddr(struct net *net,
+ struct net_device *dev,
+ const struct in6_addr *daddr,
+ unsigned int srcprefs,
+ struct in6_addr *saddr);
+extern int ipv6_get_lladdr(struct net_device *dev,
+ struct in6_addr *addr,
+ unsigned char banned_flags);
+extern int ipv6_rcv_saddr_equal(const struct sock *sk,
+ const struct sock *sk2);
+extern void addrconf_join_solict(struct net_device *dev,
+ const struct in6_addr *addr);
+extern void addrconf_leave_solict(struct inet6_dev *idev,
+ const struct in6_addr *addr);
+
+static inline unsigned long addrconf_timeout_fixup(u32 timeout,
+ unsigned unit)
+{
+ if (timeout == 0xffffffff)
+ return ~0UL;
+
+ /*
+ * Avoid arithmetic overflow.
+ * Assuming unit is constant and non-zero, this "if" statement
+ * will go away on 64bit archs.
+ */
+ if (0xfffffffe > LONG_MAX / unit && timeout > LONG_MAX / unit)
+ return LONG_MAX / unit;
+
+ return timeout;
+}
+
+static inline int addrconf_finite_timeout(unsigned long timeout)
+{
+ return ~timeout;
+}
+
+/*
+ * IPv6 Address Label subsystem (addrlabel.c)
+ */
+extern int ipv6_addr_label_init(void);
+extern void ipv6_addr_label_cleanup(void);
+extern void ipv6_addr_label_rtnl_register(void);
+extern u32 ipv6_addr_label(struct net *net,
+ const struct in6_addr *addr,
+ int type, int ifindex);
+
+/*
+ * multicast prototypes (mcast.c)
+ */
+extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
+ const struct in6_addr *addr);
+extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
+ const struct in6_addr *addr);
+extern void ipv6_sock_mc_close(struct sock *sk);
+extern int inet6_mc_check(struct sock *sk,
+ const struct in6_addr *mc_addr,
+ const struct in6_addr *src_addr);
+
+extern int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr);
+extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr);
+extern int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr);
+extern void ipv6_mc_up(struct inet6_dev *idev);
+extern void ipv6_mc_down(struct inet6_dev *idev);
+extern void ipv6_mc_unmap(struct inet6_dev *idev);
+extern void ipv6_mc_remap(struct inet6_dev *idev);
+extern void ipv6_mc_init_dev(struct inet6_dev *idev);
+extern void ipv6_mc_destroy_dev(struct inet6_dev *idev);
+extern void addrconf_dad_failure(struct inet6_ifaddr *ifp);
+
+extern int ipv6_chk_mcast_addr(struct net_device *dev,
+ const struct in6_addr *group,
+ const struct in6_addr *src_addr);
+extern int ipv6_is_mld(struct sk_buff *skb, int nexthdr);
+
+extern void addrconf_prefix_rcv(struct net_device *dev,
+ u8 *opt, int len, bool sllao);
+
+/*
+ * anycast prototypes (anycast.c)
+ */
+extern int ipv6_sock_ac_join(struct sock *sk,int ifindex, const struct in6_addr *addr);
+extern int ipv6_sock_ac_drop(struct sock *sk,int ifindex, const struct in6_addr *addr);
+extern void ipv6_sock_ac_close(struct sock *sk);
+
+extern int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr);
+extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr);
+extern int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
+ const struct in6_addr *addr);
+
+
+/* Device notifier */
+extern int register_inet6addr_notifier(struct notifier_block *nb);
+extern int unregister_inet6addr_notifier(struct notifier_block *nb);
+
+/**
+ * __in6_dev_get - get inet6_dev pointer from netdevice
+ * @dev: network device
+ *
+ * Caller must hold rcu_read_lock or RTNL, because this function
+ * does not take a reference on the inet6_dev.
+ */
+static inline struct inet6_dev *__in6_dev_get(const struct net_device *dev)
+{
+ return rcu_dereference_rtnl(dev->ip6_ptr);
+}
+
+/**
+ * in6_dev_get - get inet6_dev pointer from netdevice
+ * @dev: network device
+ *
+ * This version can be used in any context, and takes a reference
+ * on the inet6_dev. Callers must use in6_dev_put() later to
+ * release this reference.
+ */
+static inline struct inet6_dev *in6_dev_get(const struct net_device *dev)
+{
+ struct inet6_dev *idev;
+
+ rcu_read_lock();
+ idev = rcu_dereference(dev->ip6_ptr);
+ if (idev)
+ atomic_inc(&idev->refcnt);
+ rcu_read_unlock();
+ return idev;
+}
+
+extern void in6_dev_finish_destroy(struct inet6_dev *idev);
+
+static inline void in6_dev_put(struct inet6_dev *idev)
+{
+ if (atomic_dec_and_test(&idev->refcnt))
+ in6_dev_finish_destroy(idev);
+}
+
+static inline void __in6_dev_put(struct inet6_dev *idev)
+{
+ atomic_dec(&idev->refcnt);
+}
+
+static inline void in6_dev_hold(struct inet6_dev *idev)
+{
+ atomic_inc(&idev->refcnt);
+}
+
+extern void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp);
+
+static inline void in6_ifa_put(struct inet6_ifaddr *ifp)
+{
+ if (atomic_dec_and_test(&ifp->refcnt))
+ inet6_ifa_finish_destroy(ifp);
+}
+
+static inline void __in6_ifa_put(struct inet6_ifaddr *ifp)
+{
+ atomic_dec(&ifp->refcnt);
+}
+
+static inline void in6_ifa_hold(struct inet6_ifaddr *ifp)
+{
+ atomic_inc(&ifp->refcnt);
+}
+
+
+/*
+ * compute link-local solicited-node multicast address
+ */
+
+static inline void addrconf_addr_solict_mult(const struct in6_addr *addr,
+ struct in6_addr *solicited)
+{
+ ipv6_addr_set(solicited,
+ htonl(0xFF020000), 0,
+ htonl(0x1),
+ htonl(0xFF000000) | addr->s6_addr32[3]);
+}
+
+static inline int ipv6_addr_is_multicast(const struct in6_addr *addr)
+{
+ return (addr->s6_addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000);
+}
+
+static inline int ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr)
+{
+ return ((addr->s6_addr32[0] ^ htonl(0xff020000)) |
+ addr->s6_addr32[1] | addr->s6_addr32[2] |
+ (addr->s6_addr32[3] ^ htonl(0x00000001))) == 0;
+}
+
+static inline int ipv6_addr_is_ll_all_routers(const struct in6_addr *addr)
+{
+ return ((addr->s6_addr32[0] ^ htonl(0xff020000)) |
+ addr->s6_addr32[1] | addr->s6_addr32[2] |
+ (addr->s6_addr32[3] ^ htonl(0x00000002))) == 0;
+}
+
+static inline int ipv6_addr_is_isatap(const struct in6_addr *addr)
+{
+ return (addr->s6_addr32[2] | htonl(0x02000000)) == htonl(0x02005EFE);
+}
+
+#ifdef CONFIG_PROC_FS
+extern int if6_proc_init(void);
+extern void if6_proc_exit(void);
+#endif
+
+#endif