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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_SFBLOCK 10
86
87struct ipv6_mc_socklist {
88 struct in6_addr addr;
89 int ifindex;
90 unsigned int sfmode;
91 struct ipv6_mc_socklist __rcu *next;
92 struct ip6_sf_socklist __rcu *sflist;
93 struct rcu_head rcu;
94};
95
96struct ip6_sf_list {
97 struct ip6_sf_list __rcu *sf_next;
98 struct in6_addr sf_addr;
99 unsigned long sf_count[2];
100 unsigned char sf_gsresp;
101 unsigned char sf_oldin;
102 unsigned char sf_crcount;
103 struct rcu_head rcu;
104};
105
106#define MAF_TIMER_RUNNING 0x01
107#define MAF_LAST_REPORTER 0x02
108#define MAF_LOADED 0x04
109#define MAF_NOREPORT 0x08
110#define MAF_GSQUERY 0x10
111
112struct ifmcaddr6 {
113 struct in6_addr mca_addr;
114 struct inet6_dev *idev;
115 struct ifmcaddr6 __rcu *next;
116 struct ip6_sf_list __rcu *mca_sources;
117 struct ip6_sf_list __rcu *mca_tomb;
118 unsigned int mca_sfmode;
119 unsigned char mca_crcount;
120 unsigned long mca_sfcount[2];
121 struct delayed_work mca_work;
122 unsigned int mca_flags;
123 int mca_users;
124 refcount_t mca_refcnt;
125 unsigned long mca_cstamp;
126 unsigned long mca_tstamp;
127 struct rcu_head rcu;
128};
129
130
131
132struct ipv6_ac_socklist {
133 struct in6_addr acl_addr;
134 int acl_ifindex;
135 struct ipv6_ac_socklist *acl_next;
136};
137
138struct ifacaddr6 {
139 struct in6_addr aca_addr;
140 struct fib6_info *aca_rt;
141 struct ifacaddr6 *aca_next;
142 struct hlist_node aca_addr_lst;
143 int aca_users;
144 refcount_t aca_refcnt;
145 unsigned long aca_cstamp;
146 unsigned long aca_tstamp;
147 struct rcu_head rcu;
148};
149
150#define IFA_HOST IPV6_ADDR_LOOPBACK
151#define IFA_LINK IPV6_ADDR_LINKLOCAL
152#define IFA_SITE IPV6_ADDR_SITELOCAL
153
154struct ipv6_devstat {
155 struct proc_dir_entry *proc_dir_entry;
156 DEFINE_SNMP_STAT(struct ipstats_mib, ipv6);
157 DEFINE_SNMP_STAT_ATOMIC(struct icmpv6_mib_device, icmpv6dev);
158 DEFINE_SNMP_STAT_ATOMIC(struct icmpv6msg_mib_device, icmpv6msgdev);
159};
160
161struct inet6_dev {
162 struct net_device *dev;
163
164 struct list_head addr_list;
165
166 struct ifmcaddr6 __rcu *mc_list;
167 struct ifmcaddr6 __rcu *mc_tomb;
168
169 unsigned char mc_qrv;
170 unsigned char mc_gq_running;
171 unsigned char mc_ifc_count;
172 unsigned char mc_dad_count;
173
174 unsigned long mc_v1_seen;
175 unsigned long mc_qi;
176 unsigned long mc_qri;
177 unsigned long mc_maxdelay;
178
179 struct delayed_work mc_gq_work;
180 struct delayed_work mc_ifc_work;
181 struct delayed_work mc_dad_work;
182 struct delayed_work mc_query_work;
183 struct delayed_work mc_report_work;
184
185 struct sk_buff_head mc_query_queue;
186 struct sk_buff_head mc_report_queue;
187
188 spinlock_t mc_query_lock;
189 spinlock_t mc_report_lock;
190 struct mutex mc_lock;
191
192 struct ifacaddr6 *ac_list;
193 rwlock_t lock;
194 refcount_t refcnt;
195 __u32 if_flags;
196 int dead;
197
198 u32 desync_factor;
199 struct list_head tempaddr_list;
200
201 struct in6_addr token;
202
203 struct neigh_parms *nd_parms;
204 struct ipv6_devconf cnf;
205 struct ipv6_devstat stats;
206
207 struct timer_list rs_timer;
208 __s32 rs_interval;
209 __u8 rs_probes;
210
211 unsigned long tstamp;
212 struct rcu_head rcu;
213
214 unsigned int ra_mtu;
215};
216
217static inline void ipv6_eth_mc_map(const struct in6_addr *addr, char *buf)
218{
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224
225 buf[0]= 0x33;
226 buf[1]= 0x33;
227
228 memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
229}
230
231static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
232{
233 buf[0] = 0x00;
234}
235
236static inline void ipv6_ib_mc_map(const struct in6_addr *addr,
237 const unsigned char *broadcast, char *buf)
238{
239 unsigned char scope = broadcast[5] & 0xF;
240
241 buf[0] = 0;
242 buf[1] = 0xff;
243 buf[2] = 0xff;
244 buf[3] = 0xff;
245 buf[4] = 0xff;
246 buf[5] = 0x10 | scope;
247 buf[6] = 0x60;
248 buf[7] = 0x1b;
249 buf[8] = broadcast[8];
250 buf[9] = broadcast[9];
251 memcpy(buf + 10, addr->s6_addr + 6, 10);
252}
253
254static inline int ipv6_ipgre_mc_map(const struct in6_addr *addr,
255 const unsigned char *broadcast, char *buf)
256{
257 if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) {
258 memcpy(buf, broadcast, 4);
259 } else {
260
261 if ((addr->s6_addr32[0] | addr->s6_addr32[1] |
262 (addr->s6_addr32[2] ^ htonl(0x0000ffff))) != 0)
263 return -EINVAL;
264 memcpy(buf, &addr->s6_addr32[3], 4);
265 }
266 return 0;
267}
268
269#endif
270
