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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-18 21:02:35 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-18 21:02:35 -0400
commit334d094504c2fe1c44211ecb49146ae6bca8c321 (patch)
treed3c0f68e4b9f8e3d2ccc39e7dfe5de0534a5fad9 /include/net/addrconf.h
parentd1a4be630fb068f251d64b62919f143c49ca8057 (diff)
parentd1643d24c61b725bef399cc1cf2944b4c9c23177 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits) [NET]: Fix and allocate less memory for ->priv'less netdevices [IPV6]: Fix dangling references on error in fib6_add(). [NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found [PKT_SCHED]: Fix datalen check in tcf_simp_init(). [INET]: Uninline the __inet_inherit_port call. [INET]: Drop the inet_inherit_port() call. SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked. [netdrvr] forcedeth: internal simplifications; changelog removal phylib: factor out get_phy_id from within get_phy_device PHY: add BCM5464 support to broadcom PHY driver cxgb3: Fix __must_check warning with dev_dbg. tc35815: Statistics cleanup natsemi: fix MMIO for PPC 44x platforms [TIPC]: Cleanup of TIPC reference table code [TIPC]: Optimized initialization of TIPC reference table [TIPC]: Remove inlining of reference table locking routines e1000: convert uint16_t style integers to u16 ixgb: convert uint16_t style integers to u16 sb1000.c: make const arrays static sb1000.c: stop inlining largish static functions ...
Diffstat (limited to 'include/net/addrconf.h')
-rw-r--r--include/net/addrconf.h122
1 files changed, 39 insertions, 83 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 496503c03846..0a2f0372df31 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -55,9 +55,12 @@ struct prefix_info {
55extern int addrconf_init(void); 55extern int addrconf_init(void);
56extern void addrconf_cleanup(void); 56extern void addrconf_cleanup(void);
57 57
58extern int addrconf_add_ifaddr(void __user *arg); 58extern int addrconf_add_ifaddr(struct net *net,
59extern int addrconf_del_ifaddr(void __user *arg); 59 void __user *arg);
60extern int addrconf_set_dstaddr(void __user *arg); 60extern int addrconf_del_ifaddr(struct net *net,
61 void __user *arg);
62extern int addrconf_set_dstaddr(struct net *net,
63 void __user *arg);
61 64
62extern int ipv6_chk_addr(struct net *net, 65extern int ipv6_chk_addr(struct net *net,
63 struct in6_addr *addr, 66 struct in6_addr *addr,
@@ -68,16 +71,18 @@ extern int ipv6_chk_addr(struct net *net,
68extern int ipv6_chk_home_addr(struct net *net, 71extern int ipv6_chk_home_addr(struct net *net,
69 struct in6_addr *addr); 72 struct in6_addr *addr);
70#endif 73#endif
74
75extern int ipv6_chk_prefix(struct in6_addr *addr,
76 struct net_device *dev);
77
71extern struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, 78extern struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net,
72 struct in6_addr *addr, 79 const struct in6_addr *addr,
73 struct net_device *dev, 80 struct net_device *dev,
74 int strict); 81 int strict);
75 82
76extern int ipv6_get_saddr(struct dst_entry *dst,
77 struct in6_addr *daddr,
78 struct in6_addr *saddr);
79extern int ipv6_dev_get_saddr(struct net_device *dev, 83extern int ipv6_dev_get_saddr(struct net_device *dev,
80 struct in6_addr *daddr, 84 const struct in6_addr *daddr,
85 unsigned int srcprefs,
81 struct in6_addr *saddr); 86 struct in6_addr *saddr);
82extern int ipv6_get_lladdr(struct net_device *dev, 87extern int ipv6_get_lladdr(struct net_device *dev,
83 struct in6_addr *addr, 88 struct in6_addr *addr,
@@ -100,31 +105,31 @@ extern u32 ipv6_addr_label(const struct in6_addr *addr,
100/* 105/*
101 * multicast prototypes (mcast.c) 106 * multicast prototypes (mcast.c)
102 */ 107 */
103extern int ipv6_sock_mc_join(struct sock *sk, int ifindex, 108extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
104 struct in6_addr *addr); 109 const struct in6_addr *addr);
105extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex, 110extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
106 struct in6_addr *addr); 111 const struct in6_addr *addr);
107extern void ipv6_sock_mc_close(struct sock *sk); 112extern void ipv6_sock_mc_close(struct sock *sk);
108extern int inet6_mc_check(struct sock *sk, struct in6_addr *mc_addr, 113extern int inet6_mc_check(struct sock *sk,
109 struct in6_addr *src_addr); 114 const struct in6_addr *mc_addr,
115 const struct in6_addr *src_addr);
110 116
111extern int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr); 117extern int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr);
112extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr); 118extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr);
113extern int ipv6_dev_mc_dec(struct net_device *dev, struct in6_addr *addr); 119extern int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr);
114extern void ipv6_mc_up(struct inet6_dev *idev); 120extern void ipv6_mc_up(struct inet6_dev *idev);
115extern void ipv6_mc_down(struct inet6_dev *idev); 121extern void ipv6_mc_down(struct inet6_dev *idev);
116extern void ipv6_mc_init_dev(struct inet6_dev *idev); 122extern void ipv6_mc_init_dev(struct inet6_dev *idev);
117extern void ipv6_mc_destroy_dev(struct inet6_dev *idev); 123extern void ipv6_mc_destroy_dev(struct inet6_dev *idev);
118extern void addrconf_dad_failure(struct inet6_ifaddr *ifp); 124extern void addrconf_dad_failure(struct inet6_ifaddr *ifp);
119 125
120extern int ipv6_chk_mcast_addr(struct net_device *dev, struct in6_addr *group, 126extern int ipv6_chk_mcast_addr(struct net_device *dev,
121 struct in6_addr *src_addr); 127 const struct in6_addr *group,
128 const struct in6_addr *src_addr);
122extern int ipv6_is_mld(struct sk_buff *skb, int nexthdr); 129extern int ipv6_is_mld(struct sk_buff *skb, int nexthdr);
123 130
124extern void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len); 131extern void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len);
125 132
126extern int ipv6_get_hoplimit(struct net_device *dev);
127
128/* 133/*
129 * anycast prototypes (anycast.c) 134 * anycast prototypes (anycast.c)
130 */ 135 */
@@ -135,7 +140,8 @@ extern int inet6_ac_check(struct sock *sk, struct in6_addr *addr, int ifindex);
135 140
136extern int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr); 141extern int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr);
137extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr); 142extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr);
138extern int ipv6_chk_acast_addr(struct net_device *dev, struct in6_addr *addr); 143extern int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
144 struct in6_addr *addr);
139 145
140 146
141/* Device notifier */ 147/* Device notifier */
@@ -185,26 +191,6 @@ static inline void in6_ifa_put(struct inet6_ifaddr *ifp)
185#define in6_ifa_hold(ifp) atomic_inc(&(ifp)->refcnt) 191#define in6_ifa_hold(ifp) atomic_inc(&(ifp)->refcnt)
186 192
187 193
188extern void addrconf_forwarding_on(void);
189/*
190 * Hash function taken from net_alias.c
191 */
192
193static __inline__ u8 ipv6_addr_hash(const struct in6_addr *addr)
194{
195 __u32 word;
196
197 /*
198 * We perform the hash function over the last 64 bits of the address
199 * This will include the IEEE address token on links that support it.
200 */
201
202 word = (__force u32)(addr->s6_addr32[2] ^ addr->s6_addr32[3]);
203 word ^= (word >> 16);
204 word ^= (word >> 8);
205
206 return ((word ^ (word >> 4)) & 0x0f);
207}
208 194
209/* 195/*
210 * compute link-local solicited-node multicast address 196 * compute link-local solicited-node multicast address
@@ -214,61 +200,31 @@ static inline void addrconf_addr_solict_mult(const struct in6_addr *addr,
214 struct in6_addr *solicited) 200 struct in6_addr *solicited)
215{ 201{
216 ipv6_addr_set(solicited, 202 ipv6_addr_set(solicited,
217 __constant_htonl(0xFF020000), 0, 203 htonl(0xFF020000), 0,
218 __constant_htonl(0x1), 204 htonl(0x1),
219 __constant_htonl(0xFF000000) | addr->s6_addr32[3]); 205 htonl(0xFF000000) | addr->s6_addr32[3]);
220}
221
222
223static inline void ipv6_addr_all_nodes(struct in6_addr *addr)
224{
225 ipv6_addr_set(addr,
226 __constant_htonl(0xFF020000), 0, 0,
227 __constant_htonl(0x1));
228}
229
230static inline void ipv6_addr_all_routers(struct in6_addr *addr)
231{
232 ipv6_addr_set(addr,
233 __constant_htonl(0xFF020000), 0, 0,
234 __constant_htonl(0x2));
235} 206}
236 207
237static inline int ipv6_addr_is_multicast(const struct in6_addr *addr) 208static inline int ipv6_addr_is_multicast(const struct in6_addr *addr)
238{ 209{
239 return (addr->s6_addr32[0] & __constant_htonl(0xFF000000)) == __constant_htonl(0xFF000000); 210 return (addr->s6_addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000);
240} 211}
241 212
242static inline int ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr) 213static inline int ipv6_addr_is_ll_all_nodes(const struct in6_addr *addr)
243{ 214{
244 return (addr->s6_addr32[0] == htonl(0xff020000) && 215 return (((addr->s6_addr32[0] ^ htonl(0xff020000)) |
245 addr->s6_addr32[1] == 0 && 216 addr->s6_addr32[1] | addr->s6_addr32[2] |
246 addr->s6_addr32[2] == 0 && 217 (addr->s6_addr32[3] ^ htonl(0x00000001))) == 0);
247 addr->s6_addr32[3] == htonl(0x00000001));
248} 218}
249 219
250static inline int ipv6_addr_is_ll_all_routers(const struct in6_addr *addr) 220static inline int ipv6_addr_is_ll_all_routers(const struct in6_addr *addr)
251{ 221{
252 return (addr->s6_addr32[0] == htonl(0xff020000) && 222 return (((addr->s6_addr32[0] ^ htonl(0xff020000)) |
253 addr->s6_addr32[1] == 0 && 223 addr->s6_addr32[1] | addr->s6_addr32[2] |
254 addr->s6_addr32[2] == 0 && 224 (addr->s6_addr32[3] ^ htonl(0x00000002))) == 0);
255 addr->s6_addr32[3] == htonl(0x00000002));
256} 225}
257 226
258static inline int ipv6_isatap_eui64(u8 *eui, __be32 addr) 227extern int __ipv6_isatap_ifid(u8 *eui, __be32 addr);
259{
260 eui[0] = (ipv4_is_zeronet(addr) || ipv4_is_private_10(addr) ||
261 ipv4_is_loopback(addr) || ipv4_is_linklocal_169(addr) ||
262 ipv4_is_private_172(addr) || ipv4_is_test_192(addr) ||
263 ipv4_is_anycast_6to4(addr) || ipv4_is_private_192(addr) ||
264 ipv4_is_test_198(addr) || ipv4_is_multicast(addr) ||
265 ipv4_is_lbcast(addr)) ? 0x00 : 0x02;
266 eui[1] = 0;
267 eui[2] = 0x5E;
268 eui[3] = 0xFE;
269 memcpy (eui+4, &addr, 4);
270 return 0;
271}
272 228
273static inline int ipv6_addr_is_isatap(const struct in6_addr *addr) 229static inline int ipv6_addr_is_isatap(const struct in6_addr *addr)
274{ 230{