[IPV6]: Make address arguments const.

[linux.git] / include / net / ndisc.h

diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 475b10c575b38ec1c137ebab2953adb21278aad0..9c451ff2f4f443dc3234e06b7f4a21f8ddcc2475 100644 (file)
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -11,6 +11,15 @@
 #define NDISC_NEIGHBOUR_ADVERTISEMENT  136
 #define NDISC_REDIRECT                 137
 
+/*
+ * Router type: cross-layer information from link-layer to
+ * IPv6 layer reported by certain link types (e.g., RFC4214).
+ */
+#define NDISC_NODETYPE_UNSPEC          0       /* unspecified (default) */
+#define NDISC_NODETYPE_HOST            1       /* host or unauthorized router */
+#define NDISC_NODETYPE_NODEFAULT       2       /* non-default router */
+#define NDISC_NODETYPE_DEFAULT         3       /* default router */
+
 /*
  *     ndisc options
  */
@@ -24,6 +33,7 @@ enum {
        ND_OPT_MTU = 5,                 /* RFC2461 */
        __ND_OPT_ARRAY_MAX,
        ND_OPT_ROUTE_INFO = 24,         /* RFC4191 */
+       ND_OPT_RDNSS = 25,              /* RFC5006 */
        __ND_OPT_MAX
 };
 
@@ -76,7 +86,7 @@ struct nd_opt_hdr {
 } __attribute__((__packed__));
 
 
-extern int                     ndisc_init(struct net_proto_family *ops);
+extern int                     ndisc_init(void);
 
 extern void                    ndisc_cleanup(void);
 
@@ -84,30 +94,26 @@ extern int                  ndisc_rcv(struct sk_buff *skb);
 
 extern void                    ndisc_send_ns(struct net_device *dev,
                                              struct neighbour *neigh,
-                                             struct in6_addr *solicit,
-                                             struct in6_addr *daddr,
-                                             struct in6_addr *saddr);
+                                             const struct in6_addr *solicit,
+                                             const struct in6_addr *daddr,
+                                             const struct in6_addr *saddr);
 
 extern void                    ndisc_send_rs(struct net_device *dev,
-                                             struct in6_addr *saddr,
-                                             struct in6_addr *daddr);
-
-extern void                    ndisc_forwarding_on(void);
-extern void                    ndisc_forwarding_off(void);
+                                             const struct in6_addr *saddr,
+                                             const struct in6_addr *daddr);
 
 extern void                    ndisc_send_redirect(struct sk_buff *skb,
                                                    struct neighbour *neigh,
-                                                   struct in6_addr *target);
+                                                   const struct in6_addr *target);
 
 extern int                     ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int dir);
 
 
-struct rt6_info *              dflt_rt_lookup(void);
 
 /*
  *     IGMP
  */
-extern int                     igmp6_init(struct net_proto_family *ops);
+extern int                     igmp6_init(void);
 
 extern void                    igmp6_cleanup(void);
 
@@ -115,7 +121,6 @@ extern int                  igmp6_event_query(struct sk_buff *skb);
 
 extern int                     igmp6_event_report(struct sk_buff *skb);
 
-extern void                    igmp6_cleanup(void);
 
 #ifdef CONFIG_SYSCTL
 extern int                     ndisc_ifinfo_sysctl_change(struct ctl_table *ctl,
@@ -129,7 +134,7 @@ extern int                  ndisc_ifinfo_sysctl_change(struct ctl_table *ctl,
 extern void                    inet6_ifinfo_notify(int event,
                                                    struct inet6_dev *idev);
 
-static inline struct neighbour * ndisc_get_neigh(struct net_device *dev, struct in6_addr *addr)
+static inline struct neighbour * ndisc_get_neigh(struct net_device *dev, const struct in6_addr *addr)
 {
 
        if (dev)