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10#ifndef _NET_IF_INET6_H
11#define _NET_IF_INET6_H
12
13#include <net/snmp.h>
14#include <linux/ipv6.h>
15#include <linux/refcount.h>
16
17
18
19#define IF_RA_OTHERCONF 0x80
20#define IF_RA_MANAGED 0x40
21#define IF_RA_RCVD 0x20
22#define IF_RS_SENT 0x10
23#define IF_READY 0x80000000
24
25
26#define IF_PREFIX_ONLINK 0x01
27#define IF_PREFIX_AUTOCONF 0x02
28
29enum {
30 INET6_IFADDR_STATE_PREDAD,
31 INET6_IFADDR_STATE_DAD,
32 INET6_IFADDR_STATE_POSTDAD,
33 INET6_IFADDR_STATE_ERRDAD,
34 INET6_IFADDR_STATE_DEAD,
35};
36
37struct inet6_ifaddr {
38 struct in6_addr addr;
39 __u32 prefix_len;
40 __u32 rt_priority;
41
42
43 __u32 valid_lft;
44 __u32 prefered_lft;
45 refcount_t refcnt;
46 spinlock_t lock;
47
48 int state;
49
50 __u32 flags;
51 __u8 dad_probes;
52 __u8 stable_privacy_retry;
53
54 __u16 scope;
55 __u64 dad_nonce;
56
57 unsigned long cstamp;
58 unsigned long tstamp;
59
60 struct delayed_work dad_work;
61
62 struct inet6_dev *idev;
63 struct fib6_info *rt;
64
65 struct hlist_node addr_lst;
66 struct list_head if_list;
67
68 struct list_head tmp_list;
69 struct inet6_ifaddr *ifpub;
70 int regen_count;
71
72 bool tokenized;
73
74 struct rcu_head rcu;
75 struct in6_addr peer_addr;
76};
77
78struct ip6_sf_socklist {
79 unsigned int sl_max;
80 unsigned int sl_count;
81 struct rcu_head rcu;
82 struct in6_addr sl_addr[];
83};
84
85#define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
86 (count) * sizeof(struct in6_addr))
87
88#define IP6_SFBLOCK 10
89
90struct ipv6_mc_socklist {
91 struct in6_addr addr;
92 int ifindex;
93 unsigned int sfmode;
94 struct ipv6_mc_socklist __rcu *next;
95 struct ip6_sf_socklist __rcu *sflist;
96 struct rcu_head rcu;
97};
98
99struct ip6_sf_list {
100 struct ip6_sf_list __rcu *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 struct rcu_head rcu;
107};
108
109#define MAF_TIMER_RUNNING 0x01
110#define MAF_LAST_REPORTER 0x02
111#define MAF_LOADED 0x04
112#define MAF_NOREPORT 0x08
113#define MAF_GSQUERY 0x10
114
115struct ifmcaddr6 {
116 struct in6_addr mca_addr;
117 struct inet6_dev *idev;
118 struct ifmcaddr6 __rcu *next;
119 struct ip6_sf_list __rcu *mca_sources;
120 struct ip6_sf_list __rcu *mca_tomb;
121 unsigned int mca_sfmode;
122 unsigned char mca_crcount;
123 unsigned long mca_sfcount[2];
124 struct delayed_work mca_work;
125 unsigned int mca_flags;
126 int mca_users;
127 refcount_t mca_refcnt;
128 unsigned long mca_cstamp;
129 unsigned long mca_tstamp;
130 struct rcu_head rcu;
131};
132
133
134
135struct ipv6_ac_socklist {
136 struct in6_addr acl_addr;
137 int acl_ifindex;
138 struct ipv6_ac_socklist *acl_next;
139};
140
141struct ifacaddr6 {
142 struct in6_addr aca_addr;
143 struct fib6_info *aca_rt;
144 struct ifacaddr6 *aca_next;
145 struct hlist_node aca_addr_lst;
146 int aca_users;
147 refcount_t aca_refcnt;
148 unsigned long aca_cstamp;
149 unsigned long aca_tstamp;
150 struct rcu_head rcu;
151};
152
153#define IFA_HOST IPV6_ADDR_LOOPBACK
154#define IFA_LINK IPV6_ADDR_LINKLOCAL
155#define IFA_SITE IPV6_ADDR_SITELOCAL
156
157struct ipv6_devstat {
158 struct proc_dir_entry *proc_dir_entry;
159 DEFINE_SNMP_STAT(struct ipstats_mib, ipv6);
160 DEFINE_SNMP_STAT_ATOMIC(struct icmpv6_mib_device, icmpv6dev);
161 DEFINE_SNMP_STAT_ATOMIC(struct icmpv6msg_mib_device, icmpv6msgdev);
162};
163
164struct inet6_dev {
165 struct net_device *dev;
166
167 struct list_head addr_list;
168
169 struct ifmcaddr6 __rcu *mc_list;
170 struct ifmcaddr6 __rcu *mc_tomb;
171
172 unsigned char mc_qrv;
173 unsigned char mc_gq_running;
174 unsigned char mc_ifc_count;
175 unsigned char mc_dad_count;
176
177 unsigned long mc_v1_seen;
178 unsigned long mc_qi;
179 unsigned long mc_qri;
180 unsigned long mc_maxdelay;
181
182 struct delayed_work mc_gq_work;
183 struct delayed_work mc_ifc_work;
184 struct delayed_work mc_dad_work;
185 struct delayed_work mc_query_work;
186 struct delayed_work mc_report_work;
187
188 struct sk_buff_head mc_query_queue;
189 struct sk_buff_head mc_report_queue;
190
191 spinlock_t mc_query_lock;
192 spinlock_t mc_report_lock;
193 struct mutex mc_lock;
194
195 struct ifacaddr6 *ac_list;
196 rwlock_t lock;
197 refcount_t refcnt;
198 __u32 if_flags;
199 int dead;
200
201 u32 desync_factor;
202 struct list_head tempaddr_list;
203
204 struct in6_addr token;
205
206 struct neigh_parms *nd_parms;
207 struct ipv6_devconf cnf;
208 struct ipv6_devstat stats;
209
210 struct timer_list rs_timer;
211 __s32 rs_interval;
212 __u8 rs_probes;
213
214 unsigned long tstamp;
215 struct rcu_head rcu;
216};
217
218static inline void ipv6_eth_mc_map(const struct in6_addr *addr, char *buf)
219{
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225
226 buf[0]= 0x33;
227 buf[1]= 0x33;
228
229 memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
230}
231
232static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
233{
234 buf[0] = 0x00;
235}
236
237static inline void ipv6_ib_mc_map(const struct in6_addr *addr,
238 const unsigned char *broadcast, char *buf)
239{
240 unsigned char scope = broadcast[5] & 0xF;
241
242 buf[0] = 0;
243 buf[1] = 0xff;
244 buf[2] = 0xff;
245 buf[3] = 0xff;
246 buf[4] = 0xff;
247 buf[5] = 0x10 | scope;
248 buf[6] = 0x60;
249 buf[7] = 0x1b;
250 buf[8] = broadcast[8];
251 buf[9] = broadcast[9];
252 memcpy(buf + 10, addr->s6_addr + 6, 10);
253}
254
255static inline int ipv6_ipgre_mc_map(const struct in6_addr *addr,
256 const unsigned char *broadcast, char *buf)
257{
258 if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) {
259 memcpy(buf, broadcast, 4);
260 } else {
261
262 if ((addr->s6_addr32[0] | addr->s6_addr32[1] |
263 (addr->s6_addr32[2] ^ htonl(0x0000ffff))) != 0)
264 return -EINVAL;
265 memcpy(buf, &addr->s6_addr32[3], 4);
266 }
267 return 0;
268}
269
270#endif
271
