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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - include/net/if_inet6.h
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
50 unsigned long cstamp
; /* created timestamp */
51 unsigned long tstamp
; /* updated timestamp */
53 struct timer_list timer
;
55 struct inet6_dev
*idev
;
58 struct inet6_ifaddr
*lst_next
; /* next addr in addr_lst */
59 struct inet6_ifaddr
*if_next
; /* next addr in inet6_dev */
61 #ifdef CONFIG_IPV6_PRIVACY
62 struct inet6_ifaddr
*tmp_next
; /* next addr in tempaddr_lst */
63 struct inet6_ifaddr
*ifpub
;
70 struct ip6_sf_socklist
73 unsigned int sl_count
;
74 struct in6_addr sl_addr
[0];
77 #define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
78 (count) * sizeof(struct in6_addr))
80 #define IP6_SFBLOCK 10 /* allocate this many at once */
82 struct ipv6_mc_socklist
86 struct ipv6_mc_socklist
*next
;
88 unsigned int sfmode
; /* MCAST_{INCLUDE,EXCLUDE} */
89 struct ip6_sf_socklist
*sflist
;
94 struct ip6_sf_list
*sf_next
;
95 struct in6_addr sf_addr
;
96 unsigned long sf_count
[2]; /* include/exclude counts */
97 unsigned char sf_gsresp
; /* include in g & s response? */
98 unsigned char sf_oldin
; /* change state */
99 unsigned char sf_crcount
; /* retrans. left to send */
102 #define MAF_TIMER_RUNNING 0x01
103 #define MAF_LAST_REPORTER 0x02
104 #define MAF_LOADED 0x04
105 #define MAF_NOREPORT 0x08
106 #define MAF_GSQUERY 0x10
110 struct in6_addr mca_addr
;
111 struct inet6_dev
*idev
;
112 struct ifmcaddr6
*next
;
113 struct ip6_sf_list
*mca_sources
;
114 struct ip6_sf_list
*mca_tomb
;
115 unsigned int mca_sfmode
;
116 unsigned char mca_crcount
;
117 unsigned long mca_sfcount
[2];
118 struct timer_list mca_timer
;
123 unsigned long mca_cstamp
;
124 unsigned long mca_tstamp
;
129 struct ipv6_ac_socklist
131 struct in6_addr acl_addr
;
133 struct ipv6_ac_socklist
*acl_next
;
138 struct in6_addr aca_addr
;
139 struct inet6_dev
*aca_idev
;
140 struct rt6_info
*aca_rt
;
141 struct ifacaddr6
*aca_next
;
145 unsigned long aca_cstamp
;
146 unsigned long aca_tstamp
;
149 #define IFA_HOST IPV6_ADDR_LOOPBACK
150 #define IFA_LINK IPV6_ADDR_LINKLOCAL
151 #define IFA_SITE IPV6_ADDR_SITELOCAL
153 struct ipv6_devstat
{
154 struct proc_dir_entry
*proc_dir_entry
;
155 DEFINE_SNMP_STAT(struct ipstats_mib
, ipv6
);
156 DEFINE_SNMP_STAT(struct icmpv6_mib
, icmpv6
);
157 DEFINE_SNMP_STAT(struct icmpv6msg_mib
, icmpv6msg
);
162 struct net_device
*dev
;
164 struct inet6_ifaddr
*addr_list
;
166 struct ifmcaddr6
*mc_list
;
167 struct ifmcaddr6
*mc_tomb
;
169 unsigned char mc_qrv
;
170 unsigned char mc_gq_running
;
171 unsigned char mc_ifc_count
;
172 unsigned long mc_v1_seen
;
173 unsigned long mc_maxdelay
;
174 struct timer_list mc_gq_timer
; /* general query timer */
175 struct timer_list mc_ifc_timer
; /* interface change timer */
177 struct ifacaddr6
*ac_list
;
183 #ifdef CONFIG_IPV6_PRIVACY
185 struct timer_list regen_timer
;
186 struct inet6_ifaddr
*tempaddr_list
;
189 struct neigh_parms
*nd_parms
;
190 struct inet6_dev
*next
;
191 struct ipv6_devconf cnf
;
192 struct ipv6_devstat stats
;
193 unsigned long tstamp
; /* ipv6InterfaceTable update timestamp */
197 static inline void ipv6_eth_mc_map(struct in6_addr
*addr
, char *buf
)
200 * +-------+-------+-------+-------+-------+-------+
201 * | 33 | 33 | DST13 | DST14 | DST15 | DST16 |
202 * +-------+-------+-------+-------+-------+-------+
208 memcpy(buf
+ 2, &addr
->s6_addr32
[3], sizeof(__u32
));
211 static inline void ipv6_tr_mc_map(struct in6_addr
*addr
, char *buf
)
213 /* All nodes FF01::1, FF02::1, FF02::1:FFxx:xxxx */
215 if (((addr
->s6_addr
[0] == 0xFF) &&
216 ((addr
->s6_addr
[1] == 0x01) || (addr
->s6_addr
[1] == 0x02)) &&
217 (addr
->s6_addr16
[1] == 0) &&
218 (addr
->s6_addr32
[1] == 0) &&
219 (addr
->s6_addr32
[2] == 0) &&
220 (addr
->s6_addr16
[6] == 0) &&
221 (addr
->s6_addr
[15] == 1)) ||
222 ((addr
->s6_addr
[0] == 0xFF) &&
223 (addr
->s6_addr
[1] == 0x02) &&
224 (addr
->s6_addr16
[1] == 0) &&
225 (addr
->s6_addr32
[1] == 0) &&
226 (addr
->s6_addr16
[4] == 0) &&
227 (addr
->s6_addr
[10] == 0) &&
228 (addr
->s6_addr
[11] == 1) &&
229 (addr
->s6_addr
[12] == 0xff)))
237 /* All routers FF0x::2 */
238 } else if ((addr
->s6_addr
[0] ==0xff) &&
239 ((addr
->s6_addr
[1] & 0xF0) == 0) &&
240 (addr
->s6_addr16
[1] == 0) &&
241 (addr
->s6_addr32
[1] == 0) &&
242 (addr
->s6_addr32
[2] == 0) &&
243 (addr
->s6_addr16
[6] == 0) &&
244 (addr
->s6_addr
[15] == 2))
255 i
= addr
->s6_addr
[15] & 7 ;
265 static inline void ipv6_arcnet_mc_map(const struct in6_addr
*addr
, char *buf
)
270 static inline void ipv6_ib_mc_map(const struct in6_addr
*addr
,
271 const unsigned char *broadcast
, char *buf
)
273 unsigned char scope
= broadcast
[5] & 0xF;
275 buf
[0] = 0; /* Reserved */
276 buf
[1] = 0xff; /* Multicast QPN */
280 buf
[5] = 0x10 | scope
; /* scope from broadcast address */
281 buf
[6] = 0x60; /* IPv6 signature */
283 buf
[8] = broadcast
[8]; /* P_Key */
284 buf
[9] = broadcast
[9];
285 memcpy(buf
+ 10, addr
->s6_addr
+ 6, 10);