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IPv6 was not work on FDDI.

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Reported by:	Akihiro IIJIMA <aki@noc.titech.ac.jp>
Submitted by:	JINMEI Tatuya <jinmei@isl.rdc.toshiba.co.jp>
Reviewed by:	Akihiro IIJIMA <aki@noc.titech.ac.jp>
This commit is contained in:
Hajimu UMEMOTO 2000-11-01 16:57:01 +00:00
parent 506f494939
commit e1a3fa4d50
1 changed files with 87 additions and 0 deletions
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87
sys/net/if_fddisubr.c
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@ -93,6 +93,9 @@ extern u_char at_org_code[ 3 ];
extern u_char aarp_org_code[ 3 ];
#endif /* NETATALK */
static int fddi_resolvemulti __P((struct ifnet *, struct sockaddr **,
struct sockaddr *));
#define senderr(e) { error = (e); goto bad;}
/*
@ -542,6 +545,7 @@ fddi_ifattach(ifp)
ifp->if_addrlen = 6;
ifp->if_hdrlen = 21;
ifp->if_mtu = FDDIMTU;
ifp->if_resolvemulti = fddi_resolvemulti;
ifp->if_baudrate = 100000000;
#ifdef IFF_NOTRAILERS
ifp->if_flags |= IFF_NOTRAILERS;
@ -569,3 +573,86 @@ fddi_ifattach(ifp)
}
#endif
}
static int
fddi_resolvemulti(ifp, llsa, sa)
struct ifnet *ifp;
struct sockaddr **llsa;
struct sockaddr *sa;
{
struct sockaddr_dl *sdl;
struct sockaddr_in *sin;
#ifdef INET6
struct sockaddr_in6 *sin6;
#endif
u_char *e_addr;
switch(sa->sa_family) {
case AF_LINK:
/*
* No mapping needed. Just check that it's a valid MC address.
*/
sdl = (struct sockaddr_dl *)sa;
e_addr = LLADDR(sdl);
if ((e_addr[0] & 1) != 1)
return EADDRNOTAVAIL;
*llsa = 0;
return 0;
#ifdef INET
case AF_INET:
sin = (struct sockaddr_in *)sa;
if (!IN_MULTICAST(ntohl(sin->sin_addr.s_addr)))
return EADDRNOTAVAIL;
MALLOC(sdl, struct sockaddr_dl *, sizeof *sdl, M_IFMADDR,
M_WAITOK);
sdl->sdl_len = sizeof *sdl;
sdl->sdl_family = AF_LINK;
sdl->sdl_index = ifp->if_index;
sdl->sdl_type = IFT_FDDI;
sdl->sdl_nlen = 0;
sdl->sdl_alen = ETHER_ADDR_LEN; /* XXX */
sdl->sdl_slen = 0;
e_addr = LLADDR(sdl);
ETHER_MAP_IP_MULTICAST(&sin->sin_addr, e_addr);
*llsa = (struct sockaddr *)sdl;
return 0;
#endif
#ifdef INET6
case AF_INET6:
sin6 = (struct sockaddr_in6 *)sa;
if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
/*
* An IP6 address of 0 means listen to all
* of the Ethernet multicast address used for IP6.
* (This is used for multicast routers.)
*/
ifp->if_flags |= IFF_ALLMULTI;
*llsa = 0;
return 0;
}
if (!IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))
return EADDRNOTAVAIL;
MALLOC(sdl, struct sockaddr_dl *, sizeof *sdl, M_IFMADDR,
M_WAITOK);
sdl->sdl_len = sizeof *sdl;
sdl->sdl_family = AF_LINK;
sdl->sdl_index = ifp->if_index;
sdl->sdl_type = IFT_FDDI;
sdl->sdl_nlen = 0;
sdl->sdl_alen = ETHER_ADDR_LEN; /* XXX */
sdl->sdl_slen = 0;
e_addr = LLADDR(sdl);
ETHER_MAP_IPV6_MULTICAST(&sin6->sin6_addr, e_addr);
*llsa = (struct sockaddr *)sdl;
return 0;
#endif
default:
/*
* Well, the text isn't quite right, but it's the name
* that counts...
*/
return EAFNOSUPPORT;
}
}