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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [net/] [if_inet6.h] - Blame information for rev 1765

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Line No. Rev Author Line
1 1275 phoenix
/*
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 *      inet6 interface/address list definitions
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 *      Linux INET6 implementation
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 *
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 *      Authors:
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 *      Pedro Roque             <roque@di.fc.ul.pt>
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 *
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 *
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 *      This program is free software; you can redistribute it and/or
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 *      modify it under the terms of the GNU General Public License
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 *      as published by the Free Software Foundation; either version
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 *      2 of the License, or (at your option) any later version.
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 */
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#ifndef _NET_IF_INET6_H
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#define _NET_IF_INET6_H
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#include <linux/ipv6.h>
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#define IF_RA_OTHERCONF 0x80
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#define IF_RA_MANAGED   0x40
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#define IF_RA_RCVD      0x20
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#define IF_RS_SENT      0x10
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#ifdef __KERNEL__
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struct inet6_ifaddr
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{
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        struct in6_addr         addr;
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        __u32                   prefix_len;
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        __u32                   valid_lft;
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        __u32                   prefered_lft;
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        unsigned long           tstamp;
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        atomic_t                refcnt;
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        spinlock_t              lock;
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        __u8                    probes;
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        __u8                    flags;
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        __u16                   scope;
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        struct timer_list       timer;
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        struct inet6_dev        *idev;
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        struct inet6_ifaddr     *lst_next;      /* next addr in addr_lst */
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        struct inet6_ifaddr     *if_next;       /* next addr in inet6_dev */
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        int                     dead;
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};
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struct ip6_sf_socklist
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{
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        unsigned int            sl_max;
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        unsigned int            sl_count;
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        struct in6_addr         sl_addr[0];
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};
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#define IP6_SFLSIZE(count)      (sizeof(struct ip6_sf_socklist) + \
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        (count) * sizeof(struct in6_addr))
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#define IP6_SFBLOCK     10      /* allocate this many at once */
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struct ipv6_mc_socklist
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{
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        struct in6_addr         addr;
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        int                     ifindex;
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        struct ipv6_mc_socklist *next;
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        unsigned int            sfmode;         /* MCAST_{INCLUDE,EXCLUDE} */
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        struct ip6_sf_socklist  *sflist;
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};
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struct ip6_sf_list
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{
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        struct ip6_sf_list      *sf_next;
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        struct in6_addr         sf_addr;
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        unsigned long           sf_count[2];    /* include/exclude counts */
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        unsigned char           sf_gsresp;      /* include in g & s response? */
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        unsigned char           sf_oldin;       /* change state */
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        unsigned char           sf_crcount;     /* retrans. left to send */
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};
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#define MAF_TIMER_RUNNING       0x01
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#define MAF_LAST_REPORTER       0x02
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#define MAF_LOADED              0x04
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#define MAF_NOREPORT            0x08
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#define MAF_GSQUERY             0x10
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struct ifmcaddr6
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{
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        struct in6_addr         mca_addr;
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        struct inet6_dev        *idev;
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        struct ifmcaddr6        *next;
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        struct ip6_sf_list      *mca_sources;
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        struct ip6_sf_list      *mca_tomb;
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        unsigned int            mca_sfmode;
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        unsigned long           mca_sfcount[2];
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        struct timer_list       mca_timer;
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        unsigned                mca_flags;
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        int                     mca_users;
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        atomic_t                mca_refcnt;
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        spinlock_t              mca_lock;
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        unsigned char           mca_crcount;
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};
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/* Anycast stuff */
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struct ipv6_ac_socklist
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{
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        struct in6_addr         acl_addr;
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        int                     acl_ifindex;
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        struct ipv6_ac_socklist *acl_next;
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};
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struct ifacaddr6
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{
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        struct in6_addr         aca_addr;
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        struct inet6_dev        *aca_idev;
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        struct ifacaddr6        *aca_next;
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        int                     aca_users;
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        atomic_t                aca_refcnt;
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        spinlock_t              aca_lock;
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};
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#define IFA_HOST        IPV6_ADDR_LOOPBACK
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#define IFA_LINK        IPV6_ADDR_LINKLOCAL
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#define IFA_SITE        IPV6_ADDR_SITELOCAL
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#define IFA_GLOBAL      0x0000U
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struct inet6_dev
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{
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        struct net_device               *dev;
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        struct inet6_ifaddr     *addr_list;
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        struct ifmcaddr6        *mc_list;
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        struct ifmcaddr6        *mc_tomb;
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        rwlock_t                mc_lock;
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        unsigned long           mc_v1_seen;
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        unsigned long           mc_maxdelay;
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        unsigned char           mc_qrv;
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        unsigned char           mc_gq_running;
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        unsigned char           mc_ifc_count;
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        struct timer_list       mc_gq_timer;    /* general query timer */
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        struct timer_list       mc_ifc_timer;   /* interface change timer */
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        struct ifacaddr6        *ac_list;
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        rwlock_t                lock;
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        atomic_t                refcnt;
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        __u32                   if_flags;
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        int                     dead;
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        struct neigh_parms      *nd_parms;
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        struct inet6_dev        *next;
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        struct ipv6_devconf     cnf;
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};
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extern struct ipv6_devconf ipv6_devconf;
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static inline void ipv6_eth_mc_map(struct in6_addr *addr, char *buf)
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{
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        /*
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         *      +-------+-------+-------+-------+-------+-------+
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         *      |   33  |   33  | DST13 | DST14 | DST15 | DST16 |
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         *      +-------+-------+-------+-------+-------+-------+
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         */
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        buf[0]= 0x33;
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        buf[1]= 0x33;
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        memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
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}
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static inline void ipv6_tr_mc_map(struct in6_addr *addr, char *buf)
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{
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        /* All nodes FF01::1, FF02::1, FF02::1:FFxx:xxxx */
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        if (((addr->s6_addr[0] == 0xFF) &&
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            ((addr->s6_addr[1] == 0x01) || (addr->s6_addr[1] == 0x02)) &&
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             (addr->s6_addr16[1] == 0) &&
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             (addr->s6_addr32[1] == 0) &&
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             (addr->s6_addr32[2] == 0) &&
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             (addr->s6_addr16[6] == 0) &&
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             (addr->s6_addr[15] == 1)) ||
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            ((addr->s6_addr[0] == 0xFF) &&
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             (addr->s6_addr[1] == 0x02) &&
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             (addr->s6_addr16[1] == 0) &&
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             (addr->s6_addr32[1] == 0) &&
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             (addr->s6_addr16[4] == 0) &&
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             (addr->s6_addr[10] == 0) &&
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             (addr->s6_addr[11] == 1) &&
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             (addr->s6_addr[12] == 0xff)))
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        {
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                buf[0]=0xC0;
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                buf[1]=0x00;
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                buf[2]=0x01;
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                buf[3]=0x00;
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                buf[4]=0x00;
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                buf[5]=0x00;
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        /* All routers FF0x::2 */
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        } else if ((addr->s6_addr[0] ==0xff) &&
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                ((addr->s6_addr[1] & 0xF0) == 0) &&
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                (addr->s6_addr16[1] == 0) &&
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                (addr->s6_addr32[1] == 0) &&
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                (addr->s6_addr32[2] == 0) &&
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                (addr->s6_addr16[6] == 0) &&
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                (addr->s6_addr[15] == 2))
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        {
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                buf[0]=0xC0;
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                buf[1]=0x00;
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                buf[2]=0x02;
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                buf[3]=0x00;
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                buf[4]=0x00;
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                buf[5]=0x00;
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        } else {
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                unsigned char i ;
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                i = addr->s6_addr[15] & 7 ;
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                buf[0]=0xC0;
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                buf[1]=0x00;
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                buf[2]=0x00;
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                buf[3]=0x01 << i ;
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                buf[4]=0x00;
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                buf[5]=0x00;
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        }
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}
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static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
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{
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        buf[0] = 0x00;
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}
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#endif
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#endif

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