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
29 #define IF_PREFIX_ONLINK 0x01
30 #define IF_PREFIX_AUTOCONF 0x02
41 unsigned long cstamp; /* created timestamp */
42 unsigned long tstamp; /* updated timestamp */
51 struct timer_list timer;
53 struct inet6_dev *idev;
55 struct inet6_ifaddr *lst_next; /* next addr in addr_lst */
56 struct inet6_ifaddr *if_next; /* next addr in inet6_dev */
58 #ifdef CONFIG_IPV6_PRIVACY
59 struct inet6_ifaddr *tmp_next; /* next addr in tempaddr_lst */
60 struct inet6_ifaddr *ifpub;
67 struct ip6_sf_socklist
70 unsigned int sl_count;
71 struct in6_addr sl_addr[0];
74 #define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
75 (count) * sizeof(struct in6_addr))
77 #define IP6_SFBLOCK 10 /* allocate this many at once */
79 struct ipv6_mc_socklist
83 struct ipv6_mc_socklist *next;
84 unsigned int sfmode; /* MCAST_{INCLUDE,EXCLUDE} */
85 struct ip6_sf_socklist *sflist;
90 struct ip6_sf_list *sf_next;
91 struct in6_addr sf_addr;
92 unsigned long sf_count[2]; /* include/exclude counts */
93 unsigned char sf_gsresp; /* include in g & s response? */
94 unsigned char sf_oldin; /* change state */
95 unsigned char sf_crcount; /* retrans. left to send */
98 #define MAF_TIMER_RUNNING 0x01
99 #define MAF_LAST_REPORTER 0x02
100 #define MAF_LOADED 0x04
101 #define MAF_NOREPORT 0x08
102 #define MAF_GSQUERY 0x10
106 struct in6_addr mca_addr;
107 struct inet6_dev *idev;
108 struct ifmcaddr6 *next;
109 struct ip6_sf_list *mca_sources;
110 struct ip6_sf_list *mca_tomb;
111 unsigned int mca_sfmode;
112 unsigned long mca_sfcount[2];
113 struct timer_list mca_timer;
118 unsigned char mca_crcount;
119 unsigned long mca_cstamp;
120 unsigned long mca_tstamp;
125 struct ipv6_ac_socklist
127 struct in6_addr acl_addr;
129 struct ipv6_ac_socklist *acl_next;
134 struct in6_addr aca_addr;
135 struct inet6_dev *aca_idev;
136 struct ifacaddr6 *aca_next;
140 unsigned long aca_cstamp;
141 unsigned long aca_tstamp;
144 #define IFA_HOST IPV6_ADDR_LOOPBACK
145 #define IFA_LINK IPV6_ADDR_LINKLOCAL
146 #define IFA_SITE IPV6_ADDR_SITELOCAL
147 #define IFA_GLOBAL 0x0000U
149 struct ipv6_devstat {
150 struct proc_dir_entry *proc_dir_entry;
151 DEFINE_SNMP_STAT(struct icmpv6_mib, icmpv6);
156 struct net_device *dev;
158 struct inet6_ifaddr *addr_list;
160 struct ifmcaddr6 *mc_list;
161 struct ifmcaddr6 *mc_tomb;
163 unsigned long mc_v1_seen;
164 unsigned long mc_maxdelay;
165 unsigned char mc_qrv;
166 unsigned char mc_gq_running;
167 unsigned char mc_ifc_count;
168 struct timer_list mc_gq_timer; /* general query timer */
169 struct timer_list mc_ifc_timer; /* interface change timer */
171 struct ifacaddr6 *ac_list;
177 #ifdef CONFIG_IPV6_PRIVACY
180 struct timer_list regen_timer;
181 struct inet6_ifaddr *tempaddr_list;
183 __u8 work_digest[16];
186 struct neigh_parms *nd_parms;
187 struct inet6_dev *next;
188 struct ipv6_devconf cnf;
189 struct ipv6_devstat stats;
190 unsigned long tstamp; /* ipv6InterfaceTable update timestamp */
193 extern struct ipv6_devconf ipv6_devconf;
195 static inline void ipv6_eth_mc_map(struct in6_addr *addr, char *buf)
198 * +-------+-------+-------+-------+-------+-------+
199 * | 33 | 33 | DST13 | DST14 | DST15 | DST16 |
200 * +-------+-------+-------+-------+-------+-------+
206 memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
209 static inline void ipv6_tr_mc_map(struct in6_addr *addr, char *buf)
211 /* All nodes FF01::1, FF02::1, FF02::1:FFxx:xxxx */
213 if (((addr->s6_addr[0] == 0xFF) &&
214 ((addr->s6_addr[1] == 0x01) || (addr->s6_addr[1] == 0x02)) &&
215 (addr->s6_addr16[1] == 0) &&
216 (addr->s6_addr32[1] == 0) &&
217 (addr->s6_addr32[2] == 0) &&
218 (addr->s6_addr16[6] == 0) &&
219 (addr->s6_addr[15] == 1)) ||
220 ((addr->s6_addr[0] == 0xFF) &&
221 (addr->s6_addr[1] == 0x02) &&
222 (addr->s6_addr16[1] == 0) &&
223 (addr->s6_addr32[1] == 0) &&
224 (addr->s6_addr16[4] == 0) &&
225 (addr->s6_addr[10] == 0) &&
226 (addr->s6_addr[11] == 1) &&
227 (addr->s6_addr[12] == 0xff)))
235 /* All routers FF0x::2 */
236 } else if ((addr->s6_addr[0] ==0xff) &&
237 ((addr->s6_addr[1] & 0xF0) == 0) &&
238 (addr->s6_addr16[1] == 0) &&
239 (addr->s6_addr32[1] == 0) &&
240 (addr->s6_addr32[2] == 0) &&
241 (addr->s6_addr16[6] == 0) &&
242 (addr->s6_addr[15] == 2))
253 i = addr->s6_addr[15] & 7 ;
263 static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)