acpi_pad: build only on X86
[linux-2.6/linux-acpi-2.6.git] / include / net / if_inet6.h
blob38b78132019b29bc3c0702d2fd0ed09938e7bcee
1 /*
2 * inet6 interface/address list definitions
3 * Linux INET6 implementation
5 * Authors:
6 * Pedro Roque <roque@di.fc.ul.pt>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
15 #ifndef _NET_IF_INET6_H
16 #define _NET_IF_INET6_H
18 #include <net/snmp.h>
19 #include <linux/ipv6.h>
21 /* inet6_dev.if_flags */
23 #define IF_RA_OTHERCONF 0x80
24 #define IF_RA_MANAGED 0x40
25 #define IF_RA_RCVD 0x20
26 #define IF_RS_SENT 0x10
27 #define IF_READY 0x80000000
29 /* prefix flags */
30 #define IF_PREFIX_ONLINK 0x01
31 #define IF_PREFIX_AUTOCONF 0x02
33 #ifdef __KERNEL__
35 struct inet6_ifaddr
37 struct in6_addr addr;
38 __u32 prefix_len;
40 __u32 valid_lft;
41 __u32 prefered_lft;
42 atomic_t refcnt;
43 spinlock_t lock;
45 __u8 probes;
46 __u8 flags;
48 __u16 scope;
50 unsigned long cstamp; /* created timestamp */
51 unsigned long tstamp; /* updated timestamp */
53 struct timer_list timer;
55 struct inet6_dev *idev;
56 struct rt6_info *rt;
58 struct inet6_ifaddr *lst_next; /* next addr in addr_lst */
59 struct inet6_ifaddr *if_next; /* next addr in inet6_dev */
61 #ifdef CONFIG_IPV6_PRIVACY
62 struct inet6_ifaddr *tmp_next; /* next addr in tempaddr_lst */
63 struct inet6_ifaddr *ifpub;
64 int regen_count;
65 #endif
67 int dead;
70 struct ip6_sf_socklist
72 unsigned int sl_max;
73 unsigned int sl_count;
74 struct in6_addr sl_addr[0];
77 #define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
78 (count) * sizeof(struct in6_addr))
80 #define IP6_SFBLOCK 10 /* allocate this many at once */
82 struct ipv6_mc_socklist
84 struct in6_addr addr;
85 int ifindex;
86 struct ipv6_mc_socklist *next;
87 rwlock_t sflock;
88 unsigned int sfmode; /* MCAST_{INCLUDE,EXCLUDE} */
89 struct ip6_sf_socklist *sflist;
92 struct ip6_sf_list
94 struct ip6_sf_list *sf_next;
95 struct in6_addr sf_addr;
96 unsigned long sf_count[2]; /* include/exclude counts */
97 unsigned char sf_gsresp; /* include in g & s response? */
98 unsigned char sf_oldin; /* change state */
99 unsigned char sf_crcount; /* retrans. left to send */
102 #define MAF_TIMER_RUNNING 0x01
103 #define MAF_LAST_REPORTER 0x02
104 #define MAF_LOADED 0x04
105 #define MAF_NOREPORT 0x08
106 #define MAF_GSQUERY 0x10
108 struct ifmcaddr6
110 struct in6_addr mca_addr;
111 struct inet6_dev *idev;
112 struct ifmcaddr6 *next;
113 struct ip6_sf_list *mca_sources;
114 struct ip6_sf_list *mca_tomb;
115 unsigned int mca_sfmode;
116 unsigned char mca_crcount;
117 unsigned long mca_sfcount[2];
118 struct timer_list mca_timer;
119 unsigned mca_flags;
120 int mca_users;
121 atomic_t mca_refcnt;
122 spinlock_t mca_lock;
123 unsigned long mca_cstamp;
124 unsigned long mca_tstamp;
127 /* Anycast stuff */
129 struct ipv6_ac_socklist
131 struct in6_addr acl_addr;
132 int acl_ifindex;
133 struct ipv6_ac_socklist *acl_next;
136 struct ifacaddr6
138 struct in6_addr aca_addr;
139 struct inet6_dev *aca_idev;
140 struct rt6_info *aca_rt;
141 struct ifacaddr6 *aca_next;
142 int aca_users;
143 atomic_t aca_refcnt;
144 spinlock_t aca_lock;
145 unsigned long aca_cstamp;
146 unsigned long aca_tstamp;
149 #define IFA_HOST IPV6_ADDR_LOOPBACK
150 #define IFA_LINK IPV6_ADDR_LINKLOCAL
151 #define IFA_SITE IPV6_ADDR_SITELOCAL
153 struct ipv6_devstat {
154 struct proc_dir_entry *proc_dir_entry;
155 DEFINE_SNMP_STAT(struct ipstats_mib, ipv6);
156 DEFINE_SNMP_STAT(struct icmpv6_mib, icmpv6);
157 DEFINE_SNMP_STAT(struct icmpv6msg_mib, icmpv6msg);
160 struct inet6_dev
162 struct net_device *dev;
164 struct inet6_ifaddr *addr_list;
166 struct ifmcaddr6 *mc_list;
167 struct ifmcaddr6 *mc_tomb;
168 rwlock_t mc_lock;
169 unsigned char mc_qrv;
170 unsigned char mc_gq_running;
171 unsigned char mc_ifc_count;
172 unsigned long mc_v1_seen;
173 unsigned long mc_maxdelay;
174 struct timer_list mc_gq_timer; /* general query timer */
175 struct timer_list mc_ifc_timer; /* interface change timer */
177 struct ifacaddr6 *ac_list;
178 rwlock_t lock;
179 atomic_t refcnt;
180 __u32 if_flags;
181 int dead;
183 #ifdef CONFIG_IPV6_PRIVACY
184 u8 rndid[8];
185 struct timer_list regen_timer;
186 struct inet6_ifaddr *tempaddr_list;
187 #endif
189 struct neigh_parms *nd_parms;
190 struct inet6_dev *next;
191 struct ipv6_devconf cnf;
192 struct ipv6_devstat stats;
193 unsigned long tstamp; /* ipv6InterfaceTable update timestamp */
194 struct rcu_head rcu;
197 static inline void ipv6_eth_mc_map(struct in6_addr *addr, char *buf)
200 * +-------+-------+-------+-------+-------+-------+
201 * | 33 | 33 | DST13 | DST14 | DST15 | DST16 |
202 * +-------+-------+-------+-------+-------+-------+
205 buf[0]= 0x33;
206 buf[1]= 0x33;
208 memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
211 static inline void ipv6_tr_mc_map(struct in6_addr *addr, char *buf)
213 /* All nodes FF01::1, FF02::1, FF02::1:FFxx:xxxx */
215 if (((addr->s6_addr[0] == 0xFF) &&
216 ((addr->s6_addr[1] == 0x01) || (addr->s6_addr[1] == 0x02)) &&
217 (addr->s6_addr16[1] == 0) &&
218 (addr->s6_addr32[1] == 0) &&
219 (addr->s6_addr32[2] == 0) &&
220 (addr->s6_addr16[6] == 0) &&
221 (addr->s6_addr[15] == 1)) ||
222 ((addr->s6_addr[0] == 0xFF) &&
223 (addr->s6_addr[1] == 0x02) &&
224 (addr->s6_addr16[1] == 0) &&
225 (addr->s6_addr32[1] == 0) &&
226 (addr->s6_addr16[4] == 0) &&
227 (addr->s6_addr[10] == 0) &&
228 (addr->s6_addr[11] == 1) &&
229 (addr->s6_addr[12] == 0xff)))
231 buf[0]=0xC0;
232 buf[1]=0x00;
233 buf[2]=0x01;
234 buf[3]=0x00;
235 buf[4]=0x00;
236 buf[5]=0x00;
237 /* All routers FF0x::2 */
238 } else if ((addr->s6_addr[0] ==0xff) &&
239 ((addr->s6_addr[1] & 0xF0) == 0) &&
240 (addr->s6_addr16[1] == 0) &&
241 (addr->s6_addr32[1] == 0) &&
242 (addr->s6_addr32[2] == 0) &&
243 (addr->s6_addr16[6] == 0) &&
244 (addr->s6_addr[15] == 2))
246 buf[0]=0xC0;
247 buf[1]=0x00;
248 buf[2]=0x02;
249 buf[3]=0x00;
250 buf[4]=0x00;
251 buf[5]=0x00;
252 } else {
253 unsigned char i ;
255 i = addr->s6_addr[15] & 7 ;
256 buf[0]=0xC0;
257 buf[1]=0x00;
258 buf[2]=0x00;
259 buf[3]=0x01 << i ;
260 buf[4]=0x00;
261 buf[5]=0x00;
265 static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
267 buf[0] = 0x00;
270 static inline void ipv6_ib_mc_map(const struct in6_addr *addr,
271 const unsigned char *broadcast, char *buf)
273 unsigned char scope = broadcast[5] & 0xF;
275 buf[0] = 0; /* Reserved */
276 buf[1] = 0xff; /* Multicast QPN */
277 buf[2] = 0xff;
278 buf[3] = 0xff;
279 buf[4] = 0xff;
280 buf[5] = 0x10 | scope; /* scope from broadcast address */
281 buf[6] = 0x60; /* IPv6 signature */
282 buf[7] = 0x1b;
283 buf[8] = broadcast[8]; /* P_Key */
284 buf[9] = broadcast[9];
285 memcpy(buf + 10, addr->s6_addr + 6, 10);
287 #endif
288 #endif