X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fnet%2Faddrconf.h;h=7b55ab215a649a3c62f6f860300198e0f1587e26;hb=80445de57764b45fc26315c19fe7dc9fc57c2c65;hp=44f1b673f916a094fb29508b66018c98eca364ab;hpb=3b9f9a1c3903b64c38505f9fed3bb11e48dbc931;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 44f1b67..7b55ab2 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -17,6 +17,7 @@ #define IPV6_MAX_ADDRESSES 16 +#include #include struct prefix_info { @@ -35,9 +36,9 @@ struct prefix_info { #else #error "Please fix " #endif - __u32 valid; - __u32 prefered; - __u32 reserved2; + __be32 valid; + __be32 prefered; + __be32 reserved2; struct in6_addr prefix; }; @@ -54,61 +55,105 @@ struct prefix_info { extern int addrconf_init(void); extern void addrconf_cleanup(void); -extern int addrconf_add_ifaddr(void __user *arg); -extern int addrconf_del_ifaddr(void __user *arg); -extern int addrconf_set_dstaddr(void __user *arg); +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 in6_addr *addr, +extern int ipv6_chk_addr(struct net *net, + struct in6_addr *addr, struct net_device *dev, int strict); -#ifdef CONFIG_IPV6_MIP6 -extern int ipv6_chk_home_addr(struct in6_addr *addr); + +#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) +extern int ipv6_chk_home_addr(struct net *net, + struct in6_addr *addr); #endif -extern struct inet6_ifaddr * ipv6_get_ifaddr(struct in6_addr *addr, - struct net_device *dev, - int strict); -extern int ipv6_get_saddr(struct dst_entry *dst, - struct in6_addr *daddr, - struct in6_addr *saddr); -extern int ipv6_dev_get_saddr(struct net_device *dev, - struct in6_addr *daddr, + +extern int ipv6_chk_prefix(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 *); -extern int ipv6_rcv_saddr_equal(const struct sock *sk, - const struct sock *sk2); +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, struct in6_addr *addr); extern void addrconf_leave_solict(struct inet6_dev *idev, 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_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, - struct in6_addr *addr); -extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex, - struct in6_addr *addr); +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, struct in6_addr *mc_addr, - struct in6_addr *src_addr); +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, struct in6_addr *addr); -extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr); -extern int ipv6_dev_mc_dec(struct net_device *dev, struct in6_addr *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_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, struct in6_addr *group, - struct in6_addr *src_addr); +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); -extern int ipv6_get_hoplimit(struct net_device *dev); - /* * anycast prototypes (anycast.c) */ @@ -119,7 +164,8 @@ extern int inet6_ac_check(struct sock *sk, struct in6_addr *addr, int ifindex); extern int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr); extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr); -extern int ipv6_chk_acast_addr(struct net_device *dev, struct in6_addr *addr); +extern int ipv6_chk_acast_addr(struct net *net, struct net_device *dev, + struct in6_addr *addr); /* Device notifier */ @@ -169,26 +215,6 @@ static inline void in6_ifa_put(struct inet6_ifaddr *ifp) #define in6_ifa_hold(ifp) atomic_inc(&(ifp)->refcnt) -extern void addrconf_forwarding_on(void); -/* - * Hash function taken from net_alias.c - */ - -static __inline__ u8 ipv6_addr_hash(const struct in6_addr *addr) -{ - __u32 word; - - /* - * We perform the hash function over the last 64 bits of the address - * This will include the IEEE address token on links that support it. - */ - - word = addr->s6_addr32[2] ^ addr->s6_addr32[3]; - word ^= (word >> 16); - word ^= (word >> 8); - - return ((word ^ (word >> 4)) & 0x0f); -} /* * compute link-local solicited-node multicast address @@ -198,45 +224,35 @@ static inline void addrconf_addr_solict_mult(const struct in6_addr *addr, struct in6_addr *solicited) { ipv6_addr_set(solicited, - __constant_htonl(0xFF020000), 0, - __constant_htonl(0x1), - __constant_htonl(0xFF000000) | addr->s6_addr32[3]); + htonl(0xFF020000), 0, + htonl(0x1), + htonl(0xFF000000) | addr->s6_addr32[3]); } - -static inline void ipv6_addr_all_nodes(struct in6_addr *addr) +static inline int ipv6_addr_is_multicast(const struct in6_addr *addr) { - ipv6_addr_set(addr, - __constant_htonl(0xFF020000), 0, 0, - __constant_htonl(0x1)); + return (addr->s6_addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000); } -static inline void ipv6_addr_all_routers(struct in6_addr *addr) +static inline int ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr) { - ipv6_addr_set(addr, - __constant_htonl(0xFF020000), 0, 0, - __constant_htonl(0x2)); + 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_multicast(const struct in6_addr *addr) +static inline int ipv6_addr_is_ll_all_routers(const struct in6_addr *addr) { - return (addr->s6_addr32[0] & __constant_htonl(0xFF000000)) == __constant_htonl(0xFF000000); + 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_ll_all_nodes(const struct in6_addr *addr) -{ - return (addr->s6_addr32[0] == htonl(0xff020000) && - addr->s6_addr32[1] == 0 && - addr->s6_addr32[2] == 0 && - addr->s6_addr32[3] == htonl(0x00000001)); -} +extern int __ipv6_isatap_ifid(u8 *eui, __be32 addr); -static inline int ipv6_addr_is_ll_all_routers(const struct in6_addr *addr) +static inline int ipv6_addr_is_isatap(const struct in6_addr *addr) { - return (addr->s6_addr32[0] == htonl(0xff020000) && - addr->s6_addr32[1] == 0 && - addr->s6_addr32[2] == 0 && - addr->s6_addr32[3] == htonl(0x00000002)); + return ((addr->s6_addr32[2] | htonl(0x02000000)) == htonl(0x02005EFE)); } #ifdef CONFIG_PROC_FS