2 * inet6 interface/address list definitions
3 * Linux INET6 implementation
6 * Pedro Roque <roque@di.fc.ul.pt>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
15 #ifndef _NET_IF_INET6_H
16 #define _NET_IF_INET6_H
19 #include <linux/ipv6.h>
21 /* inet6_dev.if_flags */
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
30 #define IF_PREFIX_ONLINK 0x01
31 #define IF_PREFIX_AUTOCONF 0x02
34 INET6_IFADDR_STATE_DAD
,
35 INET6_IFADDR_STATE_POSTDAD
,
36 INET6_IFADDR_STATE_UP
,
37 INET6_IFADDR_STATE_DEAD
,
44 /* In seconds, relative to tstamp. Expiry is at tstamp + HZ * lft. */
49 spinlock_t state_lock
;
58 unsigned long cstamp
; /* created timestamp */
59 unsigned long tstamp
; /* updated timestamp */
61 struct timer_list dad_timer
;
63 struct inet6_dev
*idev
;
66 struct hlist_node addr_lst
;
67 struct list_head if_list
;
69 struct list_head tmp_list
;
70 struct inet6_ifaddr
*ifpub
;
76 struct in6_addr peer_addr
;
79 struct ip6_sf_socklist
{
81 unsigned int sl_count
;
82 struct in6_addr sl_addr
[0];
85 #define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
86 (count) * sizeof(struct in6_addr))
88 #define IP6_SFBLOCK 10 /* allocate this many at once */
90 struct ipv6_mc_socklist
{
93 struct ipv6_mc_socklist __rcu
*next
;
95 unsigned int sfmode
; /* MCAST_{INCLUDE,EXCLUDE} */
96 struct ip6_sf_socklist
*sflist
;
101 struct ip6_sf_list
*sf_next
;
102 struct in6_addr sf_addr
;
103 unsigned long sf_count
[2]; /* include/exclude counts */
104 unsigned char sf_gsresp
; /* include in g & s response? */
105 unsigned char sf_oldin
; /* change state */
106 unsigned char sf_crcount
; /* retrans. left to send */
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
116 struct in6_addr mca_addr
;
117 struct inet6_dev
*idev
;
118 struct ifmcaddr6
*next
;
119 struct ip6_sf_list
*mca_sources
;
120 struct ip6_sf_list
*mca_tomb
;
121 unsigned int mca_sfmode
;
122 unsigned char mca_crcount
;
123 unsigned long mca_sfcount
[2];
124 struct timer_list mca_timer
;
125 unsigned int mca_flags
;
129 unsigned long mca_cstamp
;
130 unsigned long mca_tstamp
;
135 struct ipv6_ac_socklist
{
136 struct in6_addr acl_addr
;
138 struct ipv6_ac_socklist
*acl_next
;
142 struct in6_addr aca_addr
;
143 struct inet6_dev
*aca_idev
;
144 struct rt6_info
*aca_rt
;
145 struct ifacaddr6
*aca_next
;
149 unsigned long aca_cstamp
;
150 unsigned long aca_tstamp
;
153 #define IFA_HOST IPV6_ADDR_LOOPBACK
154 #define IFA_LINK IPV6_ADDR_LINKLOCAL
155 #define IFA_SITE IPV6_ADDR_SITELOCAL
157 struct 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
);
165 struct net_device
*dev
;
167 struct list_head addr_list
;
168 int valid_ll_addr_cnt
;
170 struct ifmcaddr6
*mc_list
;
171 struct ifmcaddr6
*mc_tomb
;
174 unsigned char mc_qrv
; /* Query Robustness Variable */
175 unsigned char mc_gq_running
;
176 unsigned char mc_ifc_count
;
177 unsigned char mc_dad_count
;
179 unsigned long mc_v1_seen
; /* Max time we stay in MLDv1 mode */
180 unsigned long mc_qi
; /* Query Interval */
181 unsigned long mc_qri
; /* Query Response Interval */
182 unsigned long mc_maxdelay
;
184 struct timer_list mc_gq_timer
; /* general query timer */
185 struct timer_list mc_ifc_timer
; /* interface change timer */
186 struct timer_list mc_dad_timer
; /* dad complete mc timer */
188 struct ifacaddr6
*ac_list
;
195 struct timer_list regen_timer
;
196 struct list_head tempaddr_list
;
198 struct in6_addr token
;
200 struct neigh_parms
*nd_parms
;
201 struct ipv6_devconf cnf
;
202 struct ipv6_devstat stats
;
204 struct timer_list rs_timer
;
207 unsigned long tstamp
; /* ipv6InterfaceTable update timestamp */
211 static inline void ipv6_eth_mc_map(const struct in6_addr
*addr
, char *buf
)
214 * +-------+-------+-------+-------+-------+-------+
215 * | 33 | 33 | DST13 | DST14 | DST15 | DST16 |
216 * +-------+-------+-------+-------+-------+-------+
222 memcpy(buf
+ 2, &addr
->s6_addr32
[3], sizeof(__u32
));
225 static inline void ipv6_arcnet_mc_map(const struct in6_addr
*addr
, char *buf
)
230 static inline void ipv6_ib_mc_map(const struct in6_addr
*addr
,
231 const unsigned char *broadcast
, char *buf
)
233 unsigned char scope
= broadcast
[5] & 0xF;
235 buf
[0] = 0; /* Reserved */
236 buf
[1] = 0xff; /* Multicast QPN */
240 buf
[5] = 0x10 | scope
; /* scope from broadcast address */
241 buf
[6] = 0x60; /* IPv6 signature */
243 buf
[8] = broadcast
[8]; /* P_Key */
244 buf
[9] = broadcast
[9];
245 memcpy(buf
+ 10, addr
->s6_addr
+ 6, 10);
248 static inline int ipv6_ipgre_mc_map(const struct in6_addr
*addr
,
249 const unsigned char *broadcast
, char *buf
)
251 if ((broadcast
[0] | broadcast
[1] | broadcast
[2] | broadcast
[3]) != 0) {
252 memcpy(buf
, broadcast
, 4);
255 if ((addr
->s6_addr32
[0] | addr
->s6_addr32
[1] |
256 (addr
->s6_addr32
[2] ^ htonl(0x0000ffff))) != 0)
258 memcpy(buf
, &addr
->s6_addr32
[3], 4);