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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#include <linux/refcount.h>
21
22
23
24#define IF_RA_OTHERCONF 0x80
25#define IF_RA_MANAGED 0x40
26#define IF_RA_RCVD 0x20
27#define IF_RS_SENT 0x10
28#define IF_READY 0x80000000
29
30
31#define IF_PREFIX_ONLINK 0x01
32#define IF_PREFIX_AUTOCONF 0x02
33
34enum {
35 INET6_IFADDR_STATE_PREDAD,
36 INET6_IFADDR_STATE_DAD,
37 INET6_IFADDR_STATE_POSTDAD,
38 INET6_IFADDR_STATE_ERRDAD,
39 INET6_IFADDR_STATE_DEAD,
40};
41
42struct inet6_ifaddr {
43 struct in6_addr addr;
44 __u32 prefix_len;
45
46
47 __u32 valid_lft;
48 __u32 prefered_lft;
49 refcount_t refcnt;
50 spinlock_t lock;
51
52 int state;
53
54 __u32 flags;
55 __u8 dad_probes;
56 __u8 stable_privacy_retry;
57
58 __u16 scope;
59 __u64 dad_nonce;
60
61 unsigned long cstamp;
62 unsigned long tstamp;
63
64 struct delayed_work dad_work;
65
66 struct inet6_dev *idev;
67 struct rt6_info *rt;
68
69 struct hlist_node addr_lst;
70 struct list_head if_list;
71
72 struct list_head tmp_list;
73 struct inet6_ifaddr *ifpub;
74 int regen_count;
75
76 bool tokenized;
77
78 struct rcu_head rcu;
79 struct in6_addr peer_addr;
80};
81
82struct ip6_sf_socklist {
83 unsigned int sl_max;
84 unsigned int sl_count;
85 struct in6_addr sl_addr[0];
86};
87
88#define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
89 (count) * sizeof(struct in6_addr))
90
91#define IP6_SFBLOCK 10
92
93struct ipv6_mc_socklist {
94 struct in6_addr addr;
95 int ifindex;
96 struct ipv6_mc_socklist __rcu *next;
97 rwlock_t sflock;
98 unsigned int sfmode;
99 struct ip6_sf_socklist *sflist;
100 struct rcu_head rcu;
101};
102
103struct ip6_sf_list {
104 struct ip6_sf_list *sf_next;
105 struct in6_addr sf_addr;
106 unsigned long sf_count[2];
107 unsigned char sf_gsresp;
108 unsigned char sf_oldin;
109 unsigned char sf_crcount;
110};
111
112#define MAF_TIMER_RUNNING 0x01
113#define MAF_LAST_REPORTER 0x02
114#define MAF_LOADED 0x04
115#define MAF_NOREPORT 0x08
116#define MAF_GSQUERY 0x10
117
118struct ifmcaddr6 {
119 struct in6_addr mca_addr;
120 struct inet6_dev *idev;
121 struct ifmcaddr6 *next;
122 struct ip6_sf_list *mca_sources;
123 struct ip6_sf_list *mca_tomb;
124 unsigned int mca_sfmode;
125 unsigned char mca_crcount;
126 unsigned long mca_sfcount[2];
127 struct timer_list mca_timer;
128 unsigned int mca_flags;
129 int mca_users;
130 refcount_t mca_refcnt;
131 spinlock_t mca_lock;
132 unsigned long mca_cstamp;
133 unsigned long mca_tstamp;
134};
135
136
137
138struct ipv6_ac_socklist {
139 struct in6_addr acl_addr;
140 int acl_ifindex;
141 struct ipv6_ac_socklist *acl_next;
142};
143
144struct ifacaddr6 {
145 struct in6_addr aca_addr;
146 struct inet6_dev *aca_idev;
147 struct rt6_info *aca_rt;
148 struct ifacaddr6 *aca_next;
149 int aca_users;
150 refcount_t aca_refcnt;
151 unsigned long aca_cstamp;
152 unsigned long aca_tstamp;
153};
154
155#define IFA_HOST IPV6_ADDR_LOOPBACK
156#define IFA_LINK IPV6_ADDR_LINKLOCAL
157#define IFA_SITE IPV6_ADDR_SITELOCAL
158
159struct ipv6_devstat {
160 struct proc_dir_entry *proc_dir_entry;
161 DEFINE_SNMP_STAT(struct ipstats_mib, ipv6);
162 DEFINE_SNMP_STAT_ATOMIC(struct icmpv6_mib_device, icmpv6dev);
163 DEFINE_SNMP_STAT_ATOMIC(struct icmpv6msg_mib_device, icmpv6msgdev);
164};
165
166struct inet6_dev {
167 struct net_device *dev;
168
169 struct list_head addr_list;
170
171 struct ifmcaddr6 *mc_list;
172 struct ifmcaddr6 *mc_tomb;
173 spinlock_t mc_lock;
174
175 unsigned char mc_qrv;
176 unsigned char mc_gq_running;
177 unsigned char mc_ifc_count;
178 unsigned char mc_dad_count;
179
180 unsigned long mc_v1_seen;
181 unsigned long mc_qi;
182 unsigned long mc_qri;
183 unsigned long mc_maxdelay;
184
185 struct timer_list mc_gq_timer;
186 struct timer_list mc_ifc_timer;
187 struct timer_list mc_dad_timer;
188
189 struct ifacaddr6 *ac_list;
190 rwlock_t lock;
191 refcount_t refcnt;
192 __u32 if_flags;
193 int dead;
194
195 u32 desync_factor;
196 u8 rndid[8];
197 struct list_head tempaddr_list;
198
199 struct in6_addr token;
200
201 struct neigh_parms *nd_parms;
202 struct ipv6_devconf cnf;
203 struct ipv6_devstat stats;
204
205 struct timer_list rs_timer;
206 __s32 rs_interval;
207 __u8 rs_probes;
208
209 unsigned long tstamp;
210 struct rcu_head rcu;
211};
212
213static inline void ipv6_eth_mc_map(const struct in6_addr *addr, char *buf)
214{
215
216
217
218
219
220
221 buf[0]= 0x33;
222 buf[1]= 0x33;
223
224 memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
225}
226
227static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
228{
229 buf[0] = 0x00;
230}
231
232static inline void ipv6_ib_mc_map(const struct in6_addr *addr,
233 const unsigned char *broadcast, char *buf)
234{
235 unsigned char scope = broadcast[5] & 0xF;
236
237 buf[0] = 0;
238 buf[1] = 0xff;
239 buf[2] = 0xff;
240 buf[3] = 0xff;
241 buf[4] = 0xff;
242 buf[5] = 0x10 | scope;
243 buf[6] = 0x60;
244 buf[7] = 0x1b;
245 buf[8] = broadcast[8];
246 buf[9] = broadcast[9];
247 memcpy(buf + 10, addr->s6_addr + 6, 10);
248}
249
250static inline int ipv6_ipgre_mc_map(const struct in6_addr *addr,
251 const unsigned char *broadcast, char *buf)
252{
253 if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) {
254 memcpy(buf, broadcast, 4);
255 } else {
256
257 if ((addr->s6_addr32[0] | addr->s6_addr32[1] |
258 (addr->s6_addr32[2] ^ htonl(0x0000ffff))) != 0)
259 return -EINVAL;
260 memcpy(buf, &addr->s6_addr32[3], 4);
261 }
262 return 0;
263}
264
265#endif
266
