26 #include <sys/types.h>
  27 #include <sys/socket.h>
  28 #include <sys/ksynch.h>
  29 #include <sys/kmem.h>
  30 #include <sys/errno.h>
  31 #include <sys/systm.h>
  32 #include <sys/sysmacros.h>
  33 #include <sys/cmn_err.h>
  34 #include <sys/strsun.h>
  35 #include <sys/zone.h>
  36 #include <netinet/in.h>
  37 #include <inet/common.h>
  38 #include <inet/ip.h>
  39 #include <inet/ip6.h>
  40 #include <inet/ip6_asp.h>
  41 #include <inet/ip_ire.h>
  42 #include <inet/ip_if.h>
  43 #include <inet/ipclassifier.h>
  44 
  45 #define IN6ADDR_MASK128_INIT \
  46         { 0xffffffffU, 0xffffffffU, 0xffffffffU, 0xffffffffU }
  47 #define IN6ADDR_MASK96_INIT     { 0xffffffffU, 0xffffffffU, 0xffffffffU, 0 }
  48 #ifdef _BIG_ENDIAN
  49 #define IN6ADDR_MASK16_INIT     { 0xffff0000U, 0, 0, 0 }
  50 #else
  51 #define IN6ADDR_MASK16_INIT     { 0x0000ffffU, 0, 0, 0 }
  52 #endif
  53 
  54 
  55 /*
  56  * This table is ordered such that longest prefix matches are hit first
  57  * (longer prefix lengths first).  The last entry must be the "default"
  58  * entry (::0/0).
  59  */
  60 static ip6_asp_t default_ip6_asp_table[] = {
  61         { IN6ADDR_LOOPBACK_INIT,        IN6ADDR_MASK128_INIT,
  62             "Loopback", 50 },
  63         { IN6ADDR_ANY_INIT,             IN6ADDR_MASK96_INIT,
  64             "IPv4_Compatible", 20 },
  65 #ifdef _BIG_ENDIAN
  66         { { 0, 0, 0x0000ffffU, 0 },     IN6ADDR_MASK96_INIT,
  67             "IPv4", 10 },
  68         { { 0x20020000U, 0, 0, 0 },     IN6ADDR_MASK16_INIT,
  69             "6to4", 30 },
  70 #else
  71         { { 0, 0, 0xffff0000U, 0 },     IN6ADDR_MASK96_INIT,
  72             "IPv4", 10 },
  73         { { 0x00000220U, 0, 0, 0 },     IN6ADDR_MASK16_INIT,
  74             "6to4", 30 },
  75 #endif
  76         { IN6ADDR_ANY_INIT,             IN6ADDR_ANY_INIT,
  77             "Default", 40 }
  78 };
  79 
  80 /*
  81  * The IPv6 Default Address Selection policy table.
  82  * Until someone up above reconfigures the policy table, use the global
  83  * default.  The table needs no lock since the only way to alter it is
  84  * through the SIOCSIP6ADDRPOLICY which is exclusive in ip.
  85  */
  86 static void ip6_asp_copy(ip6_asp_t *, ip6_asp_t *, uint_t);
  87 static void ip6_asp_check_for_updates(ip_stack_t *);
  88 
  89 void
  90 ip6_asp_init(ip_stack_t *ipst)
  91 {
  92         /* Initialize the table lock */
  93         mutex_init(&ipst->ips_ip6_asp_lock, NULL, MUTEX_DEFAULT, NULL);
  94 
  95         ipst->ips_ip6_asp_table = default_ip6_asp_table;
  96 
  97         ipst->ips_ip6_asp_table_count =

  26 #include <sys/types.h>
  27 #include <sys/socket.h>
  28 #include <sys/ksynch.h>
  29 #include <sys/kmem.h>
  30 #include <sys/errno.h>
  31 #include <sys/systm.h>
  32 #include <sys/sysmacros.h>
  33 #include <sys/cmn_err.h>
  34 #include <sys/strsun.h>
  35 #include <sys/zone.h>
  36 #include <netinet/in.h>
  37 #include <inet/common.h>
  38 #include <inet/ip.h>
  39 #include <inet/ip6.h>
  40 #include <inet/ip6_asp.h>
  41 #include <inet/ip_ire.h>
  42 #include <inet/ip_if.h>
  43 #include <inet/ipclassifier.h>
  44 
  45 #define IN6ADDR_MASK128_INIT \
  46         {{{ 0xffffffffU, 0xffffffffU, 0xffffffffU, 0xffffffffU }}}
  47 #define IN6ADDR_MASK96_INIT     {{{ 0xffffffffU, 0xffffffffU, 0xffffffffU, 0 }}}
  48 #ifdef _BIG_ENDIAN
  49 #define IN6ADDR_MASK16_INIT     {{{ 0xffff0000U, 0, 0, 0 }}}
  50 #else
  51 #define IN6ADDR_MASK16_INIT     {{{ 0x0000ffffU, 0, 0, 0 }}}
  52 #endif
  53 
  54 
  55 /*
  56  * This table is ordered such that longest prefix matches are hit first
  57  * (longer prefix lengths first).  The last entry must be the "default"
  58  * entry (::0/0).
  59  */
  60 static ip6_asp_t default_ip6_asp_table[] = {
  61         { IN6ADDR_LOOPBACK_INIT,        IN6ADDR_MASK128_INIT,
  62             {"Loopback"}, 50 },
  63         { IN6ADDR_ANY_INIT,             IN6ADDR_MASK96_INIT,
  64             {"IPv4_Compatible"}, 20 },
  65 #ifdef _BIG_ENDIAN
  66         { {{{ 0, 0, 0x0000ffffU, 0 }}}, IN6ADDR_MASK96_INIT,
  67             {"IPv4"}, 10 },
  68         { {{{ 0x20020000U, 0, 0, 0 }}}, IN6ADDR_MASK16_INIT,
  69             {"6to4"}, 30 },
  70 #else
  71         { {{{ 0, 0, 0xffff0000U, 0 }}}, IN6ADDR_MASK96_INIT,
  72             {"IPv4"}, 10 },
  73         { {{{ 0x00000220U, 0, 0, 0 }}}, IN6ADDR_MASK16_INIT,
  74             {"6to4"}, 30 },
  75 #endif
  76         { IN6ADDR_ANY_INIT,             IN6ADDR_ANY_INIT,
  77             {"Default"}, 40 }
  78 };
  79 
  80 /*
  81  * The IPv6 Default Address Selection policy table.
  82  * Until someone up above reconfigures the policy table, use the global
  83  * default.  The table needs no lock since the only way to alter it is
  84  * through the SIOCSIP6ADDRPOLICY which is exclusive in ip.
  85  */
  86 static void ip6_asp_copy(ip6_asp_t *, ip6_asp_t *, uint_t);
  87 static void ip6_asp_check_for_updates(ip_stack_t *);
  88 
  89 void
  90 ip6_asp_init(ip_stack_t *ipst)
  91 {
  92         /* Initialize the table lock */
  93         mutex_init(&ipst->ips_ip6_asp_lock, NULL, MUTEX_DEFAULT, NULL);
  94 
  95         ipst->ips_ip6_asp_table = default_ip6_asp_table;
  96 
  97         ipst->ips_ip6_asp_table_count =