2 * inet6 interface/address list definitions
3 * Linux INET6 implementation
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
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
30 #define IF_PREFIX_ONLINK 0x01
31 #define IF_PREFIX_AUTOCONF 0x02
36 INET6_IFADDR_STATE_DAD,
37 INET6_IFADDR_STATE_POSTDAD,
38 INET6_IFADDR_STATE_UP,
39 INET6_IFADDR_STATE_DEAD,
50 spinlock_t state_lock;
59 unsigned long cstamp; /* created timestamp */
60 unsigned long tstamp; /* updated timestamp */
62 struct timer_list timer;
64 struct inet6_dev *idev;
67 struct hlist_node addr_lst;
68 struct list_head if_list;
70 #ifdef CONFIG_IPV6_PRIVACY
71 struct list_head tmp_list;
72 struct inet6_ifaddr *ifpub;
78 struct ip6_sf_socklist {
80 unsigned int sl_count;
81 struct in6_addr sl_addr[0];
84 #define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
85 (count) * sizeof(struct in6_addr))
87 #define IP6_SFBLOCK 10 /* allocate this many at once */
89 struct ipv6_mc_socklist {
92 struct ipv6_mc_socklist __rcu *next;
94 unsigned int sfmode; /* MCAST_{INCLUDE,EXCLUDE} */
95 struct ip6_sf_socklist *sflist;
100 struct ip6_sf_list *sf_next;
101 struct in6_addr sf_addr;
102 unsigned long sf_count[2]; /* include/exclude counts */
103 unsigned char sf_gsresp; /* include in g & s response? */
104 unsigned char sf_oldin; /* change state */
105 unsigned char sf_crcount; /* retrans. left to send */
108 #define MAF_TIMER_RUNNING 0x01
109 #define MAF_LAST_REPORTER 0x02
110 #define MAF_LOADED 0x04
111 #define MAF_NOREPORT 0x08
112 #define MAF_GSQUERY 0x10
115 struct in6_addr mca_addr;
116 struct inet6_dev *idev;
117 struct ifmcaddr6 *next;
118 struct ip6_sf_list *mca_sources;
119 struct ip6_sf_list *mca_tomb;
120 unsigned int mca_sfmode;
121 unsigned char mca_crcount;
122 unsigned long mca_sfcount[2];
123 struct timer_list mca_timer;
128 unsigned long mca_cstamp;
129 unsigned long mca_tstamp;
134 struct ipv6_ac_socklist {
135 struct in6_addr acl_addr;
137 struct ipv6_ac_socklist *acl_next;
141 struct in6_addr aca_addr;
142 struct inet6_dev *aca_idev;
143 struct rt6_info *aca_rt;
144 struct ifacaddr6 *aca_next;
148 unsigned long aca_cstamp;
149 unsigned long aca_tstamp;
152 #define IFA_HOST IPV6_ADDR_LOOPBACK
153 #define IFA_LINK IPV6_ADDR_LINKLOCAL
154 #define IFA_SITE IPV6_ADDR_SITELOCAL
156 struct ipv6_devstat {
157 struct proc_dir_entry *proc_dir_entry;
158 DEFINE_SNMP_STAT(struct ipstats_mib, ipv6);
159 DEFINE_SNMP_STAT(struct icmpv6_mib, icmpv6);
160 DEFINE_SNMP_STAT(struct icmpv6msg_mib, icmpv6msg);
164 struct net_device *dev;
166 struct list_head addr_list;
168 struct ifmcaddr6 *mc_list;
169 struct ifmcaddr6 *mc_tomb;
171 unsigned char mc_qrv;
172 unsigned char mc_gq_running;
173 unsigned char mc_ifc_count;
174 unsigned long mc_v1_seen;
175 unsigned long mc_maxdelay;
176 struct timer_list mc_gq_timer; /* general query timer */
177 struct timer_list mc_ifc_timer; /* interface change timer */
179 struct ifacaddr6 *ac_list;
185 #ifdef CONFIG_IPV6_PRIVACY
187 struct timer_list regen_timer;
188 struct list_head tempaddr_list;
191 struct neigh_parms *nd_parms;
192 struct inet6_dev *next;
193 struct ipv6_devconf cnf;
194 struct ipv6_devstat stats;
195 unsigned long tstamp; /* ipv6InterfaceTable update timestamp */
199 static inline void ipv6_eth_mc_map(struct in6_addr *addr, char *buf)
202 * +-------+-------+-------+-------+-------+-------+
203 * | 33 | 33 | DST13 | DST14 | DST15 | DST16 |
204 * +-------+-------+-------+-------+-------+-------+
210 memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
213 static inline void ipv6_tr_mc_map(struct in6_addr *addr, char *buf)
215 /* All nodes FF01::1, FF02::1, FF02::1:FFxx:xxxx */
217 if (((addr->s6_addr[0] == 0xFF) &&
218 ((addr->s6_addr[1] == 0x01) || (addr->s6_addr[1] == 0x02)) &&
219 (addr->s6_addr16[1] == 0) &&
220 (addr->s6_addr32[1] == 0) &&
221 (addr->s6_addr32[2] == 0) &&
222 (addr->s6_addr16[6] == 0) &&
223 (addr->s6_addr[15] == 1)) ||
224 ((addr->s6_addr[0] == 0xFF) &&
225 (addr->s6_addr[1] == 0x02) &&
226 (addr->s6_addr16[1] == 0) &&
227 (addr->s6_addr32[1] == 0) &&
228 (addr->s6_addr16[4] == 0) &&
229 (addr->s6_addr[10] == 0) &&
230 (addr->s6_addr[11] == 1) &&
231 (addr->s6_addr[12] == 0xff)))
239 /* All routers FF0x::2 */
240 } else if ((addr->s6_addr[0] ==0xff) &&
241 ((addr->s6_addr[1] & 0xF0) == 0) &&
242 (addr->s6_addr16[1] == 0) &&
243 (addr->s6_addr32[1] == 0) &&
244 (addr->s6_addr32[2] == 0) &&
245 (addr->s6_addr16[6] == 0) &&
246 (addr->s6_addr[15] == 2))
257 i = addr->s6_addr[15] & 7 ;
267 static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
272 static inline void ipv6_ib_mc_map(const struct in6_addr *addr,
273 const unsigned char *broadcast, char *buf)
275 unsigned char scope = broadcast[5] & 0xF;
277 buf[0] = 0; /* Reserved */
278 buf[1] = 0xff; /* Multicast QPN */
282 buf[5] = 0x10 | scope; /* scope from broadcast address */
283 buf[6] = 0x60; /* IPv6 signature */
285 buf[8] = broadcast[8]; /* P_Key */
286 buf[9] = broadcast[9];
287 memcpy(buf + 10, addr->s6_addr + 6, 10);