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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
33enum {
34 INET6_IFADDR_STATE_PREDAD,
35 INET6_IFADDR_STATE_DAD,
36 INET6_IFADDR_STATE_POSTDAD,
37 INET6_IFADDR_STATE_ERRDAD,
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
47 __u32 valid_lft;
48 __u32 prefered_lft;
49 atomic_t refcnt;
50 spinlock_t lock;
51 spinlock_t state_lock;
52
53 int state;
54
55 __u32 flags;
56 __u8 dad_probes;
57
58 __u16 scope;
59
60 unsigned long cstamp;
61 unsigned long tstamp;
62
63 struct delayed_work dad_work;
64
65 struct inet6_dev *idev;
66 struct rt6_info *rt;
67
68 struct hlist_node addr_lst;
69 struct list_head if_list;
70
71 struct list_head tmp_list;
72 struct inet6_ifaddr *ifpub;
73 int regen_count;
74
75 bool tokenized;
76
77 struct rcu_head rcu;
78 struct in6_addr peer_addr;
79};
80
81struct ip6_sf_socklist {
82 unsigned int sl_max;
83 unsigned int sl_count;
84 struct in6_addr sl_addr[0];
85};
86
87#define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
88 (count) * sizeof(struct in6_addr))
89
90#define IP6_SFBLOCK 10
91
92struct ipv6_mc_socklist {
93 struct in6_addr addr;
94 int ifindex;
95 struct ipv6_mc_socklist __rcu *next;
96 rwlock_t sflock;
97 unsigned int sfmode;
98 struct ip6_sf_socklist *sflist;
99 struct rcu_head rcu;
100};
101
102struct ip6_sf_list {
103 struct ip6_sf_list *sf_next;
104 struct in6_addr sf_addr;
105 unsigned long sf_count[2];
106 unsigned char sf_gsresp;
107 unsigned char sf_oldin;
108 unsigned char sf_crcount;
109};
110
111#define MAF_TIMER_RUNNING 0x01
112#define MAF_LAST_REPORTER 0x02
113#define MAF_LOADED 0x04
114#define MAF_NOREPORT 0x08
115#define MAF_GSQUERY 0x10
116
117struct ifmcaddr6 {
118 struct in6_addr mca_addr;
119 struct inet6_dev *idev;
120 struct ifmcaddr6 *next;
121 struct ip6_sf_list *mca_sources;
122 struct ip6_sf_list *mca_tomb;
123 unsigned int mca_sfmode;
124 unsigned char mca_crcount;
125 unsigned long mca_sfcount[2];
126 struct timer_list mca_timer;
127 unsigned int mca_flags;
128 int mca_users;
129 atomic_t mca_refcnt;
130 spinlock_t mca_lock;
131 unsigned long mca_cstamp;
132 unsigned long mca_tstamp;
133};
134
135
136
137struct ipv6_ac_socklist {
138 struct in6_addr acl_addr;
139 int acl_ifindex;
140 struct ipv6_ac_socklist *acl_next;
141};
142
143struct ifacaddr6 {
144 struct in6_addr aca_addr;
145 struct inet6_dev *aca_idev;
146 struct rt6_info *aca_rt;
147 struct ifacaddr6 *aca_next;
148 int aca_users;
149 atomic_t aca_refcnt;
150 spinlock_t aca_lock;
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 atomic_t refcnt;
192 __u32 if_flags;
193 int dead;
194
195 u8 rndid[8];
196 struct timer_list regen_timer;
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 __u8 rs_probes;
207
208 unsigned long tstamp;
209 struct rcu_head rcu;
210};
211
212static inline void ipv6_eth_mc_map(const struct in6_addr *addr, char *buf)
213{
214
215
216
217
218
219
220 buf[0]= 0x33;
221 buf[1]= 0x33;
222
223 memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
224}
225
226static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
227{
228 buf[0] = 0x00;
229}
230
231static inline void ipv6_ib_mc_map(const struct in6_addr *addr,
232 const unsigned char *broadcast, char *buf)
233{
234 unsigned char scope = broadcast[5] & 0xF;
235
236 buf[0] = 0;
237 buf[1] = 0xff;
238 buf[2] = 0xff;
239 buf[3] = 0xff;
240 buf[4] = 0xff;
241 buf[5] = 0x10 | scope;
242 buf[6] = 0x60;
243 buf[7] = 0x1b;
244 buf[8] = broadcast[8];
245 buf[9] = broadcast[9];
246 memcpy(buf + 10, addr->s6_addr + 6, 10);
247}
248
249static inline int ipv6_ipgre_mc_map(const struct in6_addr *addr,
250 const unsigned char *broadcast, char *buf)
251{
252 if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) {
253 memcpy(buf, broadcast, 4);
254 } else {
255
256 if ((addr->s6_addr32[0] | addr->s6_addr32[1] |
257 (addr->s6_addr32[2] ^ htonl(0x0000ffff))) != 0)
258 return -EINVAL;
259 memcpy(buf, &addr->s6_addr32[3], 4);
260 }
261 return 0;
262}
263
264#endif
265
