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-rw-r--r--include/net/if_inet6.h285
1 files changed, 285 insertions, 0 deletions
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
new file mode 100644
index 000000000000..e97a9accb71d
--- /dev/null
+++ b/include/net/if_inet6.h
@@ -0,0 +1,285 @@
+/*
+ * inet6 interface/address list definitions
+ * Linux INET6 implementation
+ *
+ * Authors:
+ * Pedro Roque <roque@di.fc.ul.pt>
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _NET_IF_INET6_H
+#define _NET_IF_INET6_H
+
+#include <net/snmp.h>
+#include <linux/ipv6.h>
+
+/* inet6_dev.if_flags */
+
+#define IF_RA_OTHERCONF 0x80
+#define IF_RA_MANAGED 0x40
+#define IF_RA_RCVD 0x20
+#define IF_RS_SENT 0x10
+
+/* prefix flags */
+#define IF_PREFIX_ONLINK 0x01
+#define IF_PREFIX_AUTOCONF 0x02
+
+#ifdef __KERNEL__
+
+struct inet6_ifaddr
+{
+ struct in6_addr addr;
+ __u32 prefix_len;
+
+ __u32 valid_lft;
+ __u32 prefered_lft;
+ unsigned long cstamp; /* created timestamp */
+ unsigned long tstamp; /* updated timestamp */
+ atomic_t refcnt;
+ spinlock_t lock;
+
+ __u8 probes;
+ __u8 flags;
+
+ __u16 scope;
+
+ struct timer_list timer;
+
+ struct inet6_dev *idev;
+ struct rt6_info *rt;
+
+ struct inet6_ifaddr *lst_next; /* next addr in addr_lst */
+ struct inet6_ifaddr *if_next; /* next addr in inet6_dev */
+
+#ifdef CONFIG_IPV6_PRIVACY
+ struct inet6_ifaddr *tmp_next; /* next addr in tempaddr_lst */
+ struct inet6_ifaddr *ifpub;
+ int regen_count;
+#endif
+
+ int dead;
+};
+
+struct ip6_sf_socklist
+{
+ unsigned int sl_max;
+ unsigned int sl_count;
+ struct in6_addr sl_addr[0];
+};
+
+#define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
+ (count) * sizeof(struct in6_addr))
+
+#define IP6_SFBLOCK 10 /* allocate this many at once */
+
+struct ipv6_mc_socklist
+{
+ struct in6_addr addr;
+ int ifindex;
+ struct ipv6_mc_socklist *next;
+ unsigned int sfmode; /* MCAST_{INCLUDE,EXCLUDE} */
+ struct ip6_sf_socklist *sflist;
+};
+
+struct ip6_sf_list
+{
+ struct ip6_sf_list *sf_next;
+ struct in6_addr sf_addr;
+ unsigned long sf_count[2]; /* include/exclude counts */
+ unsigned char sf_gsresp; /* include in g & s response? */
+ unsigned char sf_oldin; /* change state */
+ unsigned char sf_crcount; /* retrans. left to send */
+};
+
+#define MAF_TIMER_RUNNING 0x01
+#define MAF_LAST_REPORTER 0x02
+#define MAF_LOADED 0x04
+#define MAF_NOREPORT 0x08
+#define MAF_GSQUERY 0x10
+
+struct ifmcaddr6
+{
+ struct in6_addr mca_addr;
+ struct inet6_dev *idev;
+ struct ifmcaddr6 *next;
+ struct ip6_sf_list *mca_sources;
+ struct ip6_sf_list *mca_tomb;
+ unsigned int mca_sfmode;
+ unsigned long mca_sfcount[2];
+ struct timer_list mca_timer;
+ unsigned mca_flags;
+ int mca_users;
+ atomic_t mca_refcnt;
+ spinlock_t mca_lock;
+ unsigned char mca_crcount;
+ unsigned long mca_cstamp;
+ unsigned long mca_tstamp;
+};
+
+/* Anycast stuff */
+
+struct ipv6_ac_socklist
+{
+ struct in6_addr acl_addr;
+ int acl_ifindex;
+ struct ipv6_ac_socklist *acl_next;
+};
+
+struct ifacaddr6
+{
+ struct in6_addr aca_addr;
+ struct inet6_dev *aca_idev;
+ struct rt6_info *aca_rt;
+ struct ifacaddr6 *aca_next;
+ int aca_users;
+ atomic_t aca_refcnt;
+ spinlock_t aca_lock;
+ unsigned long aca_cstamp;
+ unsigned long aca_tstamp;
+};
+
+#define IFA_HOST IPV6_ADDR_LOOPBACK
+#define IFA_LINK IPV6_ADDR_LINKLOCAL
+#define IFA_SITE IPV6_ADDR_SITELOCAL
+#define IFA_GLOBAL 0x0000U
+
+struct ipv6_devstat {
+ struct proc_dir_entry *proc_dir_entry;
+ DEFINE_SNMP_STAT(struct icmpv6_mib, icmpv6);
+};
+
+struct inet6_dev
+{
+ struct net_device *dev;
+
+ struct inet6_ifaddr *addr_list;
+
+ struct ifmcaddr6 *mc_list;
+ struct ifmcaddr6 *mc_tomb;
+ rwlock_t mc_lock;
+ unsigned long mc_v1_seen;
+ unsigned long mc_maxdelay;
+ unsigned char mc_qrv;
+ unsigned char mc_gq_running;
+ unsigned char mc_ifc_count;
+ struct timer_list mc_gq_timer; /* general query timer */
+ struct timer_list mc_ifc_timer; /* interface change timer */
+
+ struct ifacaddr6 *ac_list;
+ rwlock_t lock;
+ atomic_t refcnt;
+ __u32 if_flags;
+ int dead;
+
+#ifdef CONFIG_IPV6_PRIVACY
+ u8 rndid[8];
+ u8 entropy[8];
+ struct timer_list regen_timer;
+ struct inet6_ifaddr *tempaddr_list;
+ __u8 work_eui64[8];
+ __u8 work_digest[16];
+#endif
+
+ struct neigh_parms *nd_parms;
+ struct inet6_dev *next;
+ struct ipv6_devconf cnf;
+ struct ipv6_devstat stats;
+ unsigned long tstamp; /* ipv6InterfaceTable update timestamp */
+};
+
+extern struct ipv6_devconf ipv6_devconf;
+
+static inline void ipv6_eth_mc_map(struct in6_addr *addr, char *buf)
+{
+ /*
+ * +-------+-------+-------+-------+-------+-------+
+ * | 33 | 33 | DST13 | DST14 | DST15 | DST16 |
+ * +-------+-------+-------+-------+-------+-------+
+ */
+
+ buf[0]= 0x33;
+ buf[1]= 0x33;
+
+ memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
+}
+
+static inline void ipv6_tr_mc_map(struct in6_addr *addr, char *buf)
+{
+ /* All nodes FF01::1, FF02::1, FF02::1:FFxx:xxxx */
+
+ if (((addr->s6_addr[0] == 0xFF) &&
+ ((addr->s6_addr[1] == 0x01) || (addr->s6_addr[1] == 0x02)) &&
+ (addr->s6_addr16[1] == 0) &&
+ (addr->s6_addr32[1] == 0) &&
+ (addr->s6_addr32[2] == 0) &&
+ (addr->s6_addr16[6] == 0) &&
+ (addr->s6_addr[15] == 1)) ||
+ ((addr->s6_addr[0] == 0xFF) &&
+ (addr->s6_addr[1] == 0x02) &&
+ (addr->s6_addr16[1] == 0) &&
+ (addr->s6_addr32[1] == 0) &&
+ (addr->s6_addr16[4] == 0) &&
+ (addr->s6_addr[10] == 0) &&
+ (addr->s6_addr[11] == 1) &&
+ (addr->s6_addr[12] == 0xff)))
+ {
+ buf[0]=0xC0;
+ buf[1]=0x00;
+ buf[2]=0x01;
+ buf[3]=0x00;
+ buf[4]=0x00;
+ buf[5]=0x00;
+ /* All routers FF0x::2 */
+ } else if ((addr->s6_addr[0] ==0xff) &&
+ ((addr->s6_addr[1] & 0xF0) == 0) &&
+ (addr->s6_addr16[1] == 0) &&
+ (addr->s6_addr32[1] == 0) &&
+ (addr->s6_addr32[2] == 0) &&
+ (addr->s6_addr16[6] == 0) &&
+ (addr->s6_addr[15] == 2))
+ {
+ buf[0]=0xC0;
+ buf[1]=0x00;
+ buf[2]=0x02;
+ buf[3]=0x00;
+ buf[4]=0x00;
+ buf[5]=0x00;
+ } else {
+ unsigned char i ;
+
+ i = addr->s6_addr[15] & 7 ;
+ buf[0]=0xC0;
+ buf[1]=0x00;
+ buf[2]=0x00;
+ buf[3]=0x01 << i ;
+ buf[4]=0x00;
+ buf[5]=0x00;
+ }
+}
+
+static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
+{
+ buf[0] = 0x00;
+}
+
+static inline void ipv6_ib_mc_map(struct in6_addr *addr, char *buf)
+{
+ buf[0] = 0; /* Reserved */
+ buf[1] = 0xff; /* Multicast QPN */
+ buf[2] = 0xff;
+ buf[3] = 0xff;
+ buf[4] = 0xff;
+ buf[5] = 0x12; /* link local scope */
+ buf[6] = 0x60; /* IPv6 signature */
+ buf[7] = 0x1b;
+ buf[8] = 0; /* P_Key */
+ buf[9] = 0;
+ memcpy(buf + 10, addr->s6_addr + 6, 10);
+}
+#endif
+#endif