/* Add connected IPv6 route to the interface. */
void
connected_add_ipv6 (struct interface *ifp, int flags, struct in6_addr *addr,
u_char prefixlen, struct in6_addr *broad,
const char *label)
{
struct prefix_ipv6 *p;
struct connected *ifc;
/* Make connected structure. */
ifc = connected_new ();
ifc->ifp = ifp;
ifc->flags = flags;
/* If we get a notification from the kernel,
* we can safely assume the address is known to the kernel */
SET_FLAG(ifc->conf, ZEBRA_IFC_QUEUED);
/* Allocate new connected address. */
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, addr);
p->prefixlen = prefixlen;
ifc->address = (struct prefix *) p;
/* If there is broadcast or peer address. */
if (broad)
{
if (IN6_IS_ADDR_UNSPECIFIED(broad))
zlog_warn("warning: %s called for interface %s with unspecified "
"destination address; ignoring!", __func__, ifp->name);
else
{
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, broad);
p->prefixlen = prefixlen;
ifc->destination = (struct prefix *) p;
}
}
if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_PEER) && !ifc->destination)
{
zlog_warn("warning: %s called for interface %s "
"with peer flag set, but no peer address supplied",
__func__, ifp->name);
UNSET_FLAG(ifc->flags, ZEBRA_IFA_PEER);
}
/* Label of this address. */
if (label)
ifc->label = XSTRDUP (MTYPE_CONNECTED_LABEL, label);
/* On Linux, we only get here when DAD is complete, therefore we can set
* ZEBRA_IFC_REAL.
*
* On BSD, there currently doesn't seem to be a way to check for completion of
* DAD, so we replicate the old behaviour and set ZEBRA_IFC_REAL, although DAD
* might still be running.
*/
SET_FLAG(ifc->conf, ZEBRA_IFC_REAL);
connected_update(ifp, ifc);
}
/* Add connected IPv6 route to the interface. */
void
connected_add_ipv6 (struct interface *ifp, int flags, struct in6_addr *addr,
u_char prefixlen, struct in6_addr *broad,
const char *label)
{
struct prefix_ipv6 *p;
struct connected *ifc;
/* Make connected structure. */
ifc = connected_new ();
ifc->ifp = ifp;
ifc->flags = flags;
/* Allocate new connected address. */
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, addr);
p->prefixlen = prefixlen;
ifc->address = (struct prefix *) p;
/* If there is broadcast or peer address. */
if (broad)
{
if (IN6_IS_ADDR_UNSPECIFIED(broad))
zlog_warn("warning: %s called for interface %s with unspecified "
"destination address; ignoring!", __func__, ifp->name);
else
{
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, broad);
p->prefixlen = prefixlen;
ifc->destination = (struct prefix *) p;
}
}
if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_PEER) && !ifc->destination)
{
zlog_warn("warning: %s called for interface %s "
"with peer flag set, but no peer address supplied",
__func__, ifp->name);
UNSET_FLAG(ifc->flags, ZEBRA_IFA_PEER);
}
/* Label of this address. */
if (label)
ifc->label = XSTRDUP (MTYPE_CONNECTED_LABEL, label);
if ((ifc = connected_implicit_withdraw (ifp, ifc)) == NULL)
return;
connected_announce (ifp, ifc);
}
/* Utility function of convert between struct prefix <=> union sockunion. */
struct prefix *
sockunion2hostprefix (const union sockunion *su)
{
if (su->sa.sa_family == AF_INET)
{
struct prefix_ipv4 *p;
p = prefix_ipv4_new ();
p->family = AF_INET;
p->prefix = su->sin.sin_addr;
p->prefixlen = IPV4_MAX_BITLEN;
return (struct prefix *) p;
}
#ifdef HAVE_IPV6
if (su->sa.sa_family == AF_INET6)
{
struct prefix_ipv6 *p;
p = prefix_ipv6_new ();
p->family = AF_INET6;
p->prefixlen = IPV6_MAX_BITLEN;
memcpy (&p->prefix, &su->sin6.sin6_addr, sizeof (struct in6_addr));
return (struct prefix *) p;
}
#endif /* HAVE_IPV6 */
return NULL;
}
/* Utility function of convert between struct prefix <=> union sockunion.
* FIXME This function isn't used anywhere. */
struct prefix *
sockunion2prefix (const union sockunion *dest,
const union sockunion *mask)
{
if (dest->sa.sa_family == AF_INET)
{
struct prefix_ipv4 *p;
p = prefix_ipv4_new ();
p->family = AF_INET;
p->prefix = dest->sin.sin_addr;
p->prefixlen = ip_masklen (mask->sin.sin_addr);
return (struct prefix *) p;
}
#ifdef HAVE_IPV6
if (dest->sa.sa_family == AF_INET6)
{
struct prefix_ipv6 *p;
p = prefix_ipv6_new ();
p->family = AF_INET6;
p->prefixlen = ip6_masklen (mask->sin6.sin6_addr);
memcpy (&p->prefix, &dest->sin6.sin6_addr, sizeof (struct in6_addr));
return (struct prefix *) p;
}
#endif /* HAVE_IPV6 */
return NULL;
}
/* Add connected IPv6 route to the interface. */
void
connected_add_ipv6 (struct interface *ifp, struct in6_addr *addr,
u_char prefixlen, struct in6_addr *broad,
const char *label)
{
struct prefix_ipv6 *p;
struct connected *ifc;
/* Make connected structure. */
ifc = connected_new ();
ifc->ifp = ifp;
/* Allocate new connected address. */
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, addr);
p->prefixlen = prefixlen;
ifc->address = (struct prefix *) p;
/* If there is broadcast or pointopoint address. */
if (broad)
{
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, broad);
ifc->destination = (struct prefix *) p;
}
/* Label of this address. */
if (label)
ifc->label = XSTRDUP (MTYPE_CONNECTED_LABEL, label);
if ((ifc = connected_implicit_withdraw (ifp, ifc)) == NULL)
return;
connected_announce (ifp, ifc);
}
