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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_DAD,
35 INET6_IFADDR_STATE_POSTDAD,
36 INET6_IFADDR_STATE_UP,
37 INET6_IFADDR_STATE_DEAD,
38};
39
40struct inet6_ifaddr {
41 struct in6_addr addr;
42 __u32 prefix_len;
43
44
45 __u32 valid_lft;
46 __u32 prefered_lft;
47 atomic_t refcnt;
48 spinlock_t lock;
49 spinlock_t state_lock;
50
51 int state;
52
53 __u8 dad_probes;
54 __u8 flags;
55
56 __u16 scope;
57
58 unsigned long cstamp;
59 unsigned long tstamp;
60
61 struct timer_list dad_timer;
62
63 struct inet6_dev *idev;
64 struct rt6_info *rt;
65
66 struct hlist_node addr_lst;
67 struct list_head if_list;
68
69#ifdef CONFIG_IPV6_PRIVACY
70 struct list_head tmp_list;
71 struct inet6_ifaddr *ifpub;
72 int regen_count;
73#endif
74 bool tokenized;
75
76 struct rcu_head rcu;
77 struct in6_addr peer_addr;
78};
79
80struct ip6_sf_socklist {
81 unsigned int sl_max;
82 unsigned int sl_count;
83 struct in6_addr sl_addr[0];
84};
85
86#define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
87 (count) * sizeof(struct in6_addr))
88
89#define IP6_SFBLOCK 10
90
91struct ipv6_mc_socklist {
92 struct in6_addr addr;
93 int ifindex;
94 struct ipv6_mc_socklist __rcu *next;
95 rwlock_t sflock;
96 unsigned int sfmode;
97 struct ip6_sf_socklist *sflist;
98 struct rcu_head rcu;
99};
100
101struct ip6_sf_list {
102 struct ip6_sf_list *sf_next;
103 struct in6_addr sf_addr;
104 unsigned long sf_count[2];
105 unsigned char sf_gsresp;
106 unsigned char sf_oldin;
107 unsigned char sf_crcount;
108};
109
110#define MAF_TIMER_RUNNING 0x01
111#define MAF_LAST_REPORTER 0x02
112#define MAF_LOADED 0x04
113#define MAF_NOREPORT 0x08
114#define MAF_GSQUERY 0x10
115
116struct ifmcaddr6 {
117 struct in6_addr mca_addr;
118 struct inet6_dev *idev;
119 struct ifmcaddr6 *next;
120 struct ip6_sf_list *mca_sources;
121 struct ip6_sf_list *mca_tomb;
122 unsigned int mca_sfmode;
123 unsigned char mca_crcount;
124 unsigned long mca_sfcount[2];
125 struct timer_list mca_timer;
126 unsigned int mca_flags;
127 int mca_users;
128 atomic_t mca_refcnt;
129 spinlock_t mca_lock;
130 unsigned long mca_cstamp;
131 unsigned long mca_tstamp;
132};
133
134
135
136struct ipv6_ac_socklist {
137 struct in6_addr acl_addr;
138 int acl_ifindex;
139 struct ipv6_ac_socklist *acl_next;
140};
141
142struct ifacaddr6 {
143 struct in6_addr aca_addr;
144 struct inet6_dev *aca_idev;
145 struct rt6_info *aca_rt;
146 struct ifacaddr6 *aca_next;
147 int aca_users;
148 atomic_t aca_refcnt;
149 spinlock_t aca_lock;
150 unsigned long aca_cstamp;
151 unsigned long aca_tstamp;
152};
153
154#define IFA_HOST IPV6_ADDR_LOOPBACK
155#define IFA_LINK IPV6_ADDR_LINKLOCAL
156#define IFA_SITE IPV6_ADDR_SITELOCAL
157
158struct ipv6_devstat {
159 struct proc_dir_entry *proc_dir_entry;
160 DEFINE_SNMP_STAT(struct ipstats_mib, ipv6);
161 DEFINE_SNMP_STAT_ATOMIC(struct icmpv6_mib_device, icmpv6dev);
162 DEFINE_SNMP_STAT_ATOMIC(struct icmpv6msg_mib_device, icmpv6msgdev);
163};
164
165struct inet6_dev {
166 struct net_device *dev;
167
168 struct list_head addr_list;
169 int valid_ll_addr_cnt;
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#ifdef CONFIG_IPV6_PRIVACY
196 u8 rndid[8];
197 struct timer_list regen_timer;
198 struct list_head tempaddr_list;
199#endif
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 __u8 rs_probes;
209
210 unsigned long tstamp;
211 struct rcu_head rcu;
212};
213
214static inline void ipv6_eth_mc_map(const struct in6_addr *addr, char *buf)
215{
216
217
218
219
220
221
222 buf[0]= 0x33;
223 buf[1]= 0x33;
224
225 memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
226}
227
228static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
229{
230 buf[0] = 0x00;
231}
232
233static inline void ipv6_ib_mc_map(const struct in6_addr *addr,
234 const unsigned char *broadcast, char *buf)
235{
236 unsigned char scope = broadcast[5] & 0xF;
237
238 buf[0] = 0;
239 buf[1] = 0xff;
240 buf[2] = 0xff;
241 buf[3] = 0xff;
242 buf[4] = 0xff;
243 buf[5] = 0x10 | scope;
244 buf[6] = 0x60;
245 buf[7] = 0x1b;
246 buf[8] = broadcast[8];
247 buf[9] = broadcast[9];
248 memcpy(buf + 10, addr->s6_addr + 6, 10);
249}
250
251static inline int ipv6_ipgre_mc_map(const struct in6_addr *addr,
252 const unsigned char *broadcast, char *buf)
253{
254 if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) {
255 memcpy(buf, broadcast, 4);
256 } else {
257
258 if ((addr->s6_addr32[0] | addr->s6_addr32[1] |
259 (addr->s6_addr32[2] ^ htonl(0x0000ffff))) != 0)
260 return -EINVAL;
261 memcpy(buf, &addr->s6_addr32[3], 4);
262 }
263 return 0;
264}
265
266#endif
267
