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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | /* * 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 #define IF_RA_RCVD 0x20 #define IF_RS_SENT 0x10 #ifdef __KERNEL__ struct inet6_ifaddr { struct in6_addr addr; __u32 prefix_len; __u32 valid_lft; __u32 prefered_lft; unsigned long tstamp; atomic_t refcnt; spinlock_t lock; __u8 probes; __u8 flags; __u16 scope; struct timer_list timer; struct inet6_dev *idev; struct inet6_ifaddr *lst_next; /* next addr in addr_lst */ struct inet6_ifaddr *if_next; /* next addr in inet6_dev */ int dead; }; struct ipv6_mc_socklist { struct in6_addr addr; int ifindex; struct ipv6_mc_socklist *next; }; #define MAF_TIMER_RUNNING 0x01 #define MAF_LAST_REPORTER 0x02 #define MAF_LOADED 0x04 struct ifmcaddr6 { struct in6_addr mca_addr; struct inet6_dev *idev; struct ifmcaddr6 *next; struct timer_list mca_timer; unsigned mca_flags; int mca_users; atomic_t mca_refcnt; spinlock_t mca_lock; }; #define IFA_HOST IPV6_ADDR_LOOPBACK #define IFA_LINK IPV6_ADDR_LINKLOCAL #define IFA_SITE IPV6_ADDR_SITELOCAL #define IFA_GLOBAL 0x0000U struct ipv6_devconf { int forwarding; int hop_limit; int mtu6; int accept_ra; int accept_redirects; int autoconf; int dad_transmits; int rtr_solicits; int rtr_solicit_interval; int rtr_solicit_delay; void *sysctl; }; struct inet6_dev { struct net_device *dev; struct inet6_ifaddr *addr_list; struct ifmcaddr6 *mc_list; rwlock_t lock; atomic_t refcnt; __u32 if_flags; int dead; struct neigh_parms *nd_parms; struct inet6_dev *next; struct ipv6_devconf cnf; }; 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; } } #endif #endif |