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15#ifndef _NET_IF_INET6_H
16#define _NET_IF_INET6_H
17
18#include <net/snmp.h>
19#include <linux/ipv6.h>
20
21
22
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
28
29
30#define IF_PREFIX_ONLINK 0x01
31#define IF_PREFIX_AUTOCONF 0x02
32
33#ifdef __KERNEL__
34
35enum {
36 INET6_IFADDR_STATE_DAD,
37 INET6_IFADDR_STATE_POSTDAD,
38 INET6_IFADDR_STATE_UP,
39 INET6_IFADDR_STATE_DEAD,
40};
41
42struct inet6_ifaddr {
43 struct in6_addr addr;
44 __u32 prefix_len;
45
46 __u32 valid_lft;
47 __u32 prefered_lft;
48 atomic_t refcnt;
49 spinlock_t lock;
50 spinlock_t state_lock;
51
52 int state;
53
54 __u8 probes;
55 __u8 flags;
56
57 __u16 scope;
58
59 unsigned long cstamp;
60 unsigned long tstamp;
61
62 struct timer_list timer;
63
64 struct inet6_dev *idev;
65 struct rt6_info *rt;
66
67 struct hlist_node addr_lst;
68 struct list_head if_list;
69
70#ifdef CONFIG_IPV6_PRIVACY
71 struct list_head tmp_list;
72 struct inet6_ifaddr *ifpub;
73 int regen_count;
74#endif
75 struct rcu_head rcu;
76};
77
78struct ip6_sf_socklist {
79 unsigned int sl_max;
80 unsigned int sl_count;
81 struct in6_addr sl_addr[0];
82};
83
84#define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
85 (count) * sizeof(struct in6_addr))
86
87#define IP6_SFBLOCK 10
88
89struct ipv6_mc_socklist {
90 struct in6_addr addr;
91 int ifindex;
92 struct ipv6_mc_socklist __rcu *next;
93 rwlock_t sflock;
94 unsigned int sfmode;
95 struct ip6_sf_socklist *sflist;
96 struct rcu_head rcu;
97};
98
99struct ip6_sf_list {
100 struct ip6_sf_list *sf_next;
101 struct in6_addr sf_addr;
102 unsigned long sf_count[2];
103 unsigned char sf_gsresp;
104 unsigned char sf_oldin;
105 unsigned char sf_crcount;
106};
107
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
113
114struct ifmcaddr6 {
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;
124 unsigned mca_flags;
125 int mca_users;
126 atomic_t mca_refcnt;
127 spinlock_t mca_lock;
128 unsigned long mca_cstamp;
129 unsigned long mca_tstamp;
130};
131
132
133
134struct ipv6_ac_socklist {
135 struct in6_addr acl_addr;
136 int acl_ifindex;
137 struct ipv6_ac_socklist *acl_next;
138};
139
140struct ifacaddr6 {
141 struct in6_addr aca_addr;
142 struct inet6_dev *aca_idev;
143 struct rt6_info *aca_rt;
144 struct ifacaddr6 *aca_next;
145 int aca_users;
146 atomic_t aca_refcnt;
147 spinlock_t aca_lock;
148 unsigned long aca_cstamp;
149 unsigned long aca_tstamp;
150};
151
152#define IFA_HOST IPV6_ADDR_LOOPBACK
153#define IFA_LINK IPV6_ADDR_LINKLOCAL
154#define IFA_SITE IPV6_ADDR_SITELOCAL
155
156struct 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);
161};
162
163struct inet6_dev {
164 struct net_device *dev;
165
166 struct list_head addr_list;
167
168 struct ifmcaddr6 *mc_list;
169 struct ifmcaddr6 *mc_tomb;
170 spinlock_t mc_lock;
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;
177 struct timer_list mc_ifc_timer;
178
179 struct ifacaddr6 *ac_list;
180 rwlock_t lock;
181 atomic_t refcnt;
182 __u32 if_flags;
183 int dead;
184
185#ifdef CONFIG_IPV6_PRIVACY
186 u8 rndid[8];
187 struct timer_list regen_timer;
188 struct list_head tempaddr_list;
189#endif
190
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;
196 struct rcu_head rcu;
197};
198
199static inline void ipv6_eth_mc_map(struct in6_addr *addr, char *buf)
200{
201
202
203
204
205
206
207 buf[0]= 0x33;
208 buf[1]= 0x33;
209
210 memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
211}
212
213static inline void ipv6_tr_mc_map(struct in6_addr *addr, char *buf)
214{
215
216
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)))
232 {
233 buf[0]=0xC0;
234 buf[1]=0x00;
235 buf[2]=0x01;
236 buf[3]=0x00;
237 buf[4]=0x00;
238 buf[5]=0x00;
239
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))
247 {
248 buf[0]=0xC0;
249 buf[1]=0x00;
250 buf[2]=0x02;
251 buf[3]=0x00;
252 buf[4]=0x00;
253 buf[5]=0x00;
254 } else {
255 unsigned char i ;
256
257 i = addr->s6_addr[15] & 7 ;
258 buf[0]=0xC0;
259 buf[1]=0x00;
260 buf[2]=0x00;
261 buf[3]=0x01 << i ;
262 buf[4]=0x00;
263 buf[5]=0x00;
264 }
265}
266
267static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
268{
269 buf[0] = 0x00;
270}
271
272static inline void ipv6_ib_mc_map(const struct in6_addr *addr,
273 const unsigned char *broadcast, char *buf)
274{
275 unsigned char scope = broadcast[5] & 0xF;
276
277 buf[0] = 0;
278 buf[1] = 0xff;
279 buf[2] = 0xff;
280 buf[3] = 0xff;
281 buf[4] = 0xff;
282 buf[5] = 0x10 | scope;
283 buf[6] = 0x60;
284 buf[7] = 0x1b;
285 buf[8] = broadcast[8];
286 buf[9] = broadcast[9];
287 memcpy(buf + 10, addr->s6_addr + 6, 10);
288}
289#endif
290#endif
291
