/*
* get interface metric
* -- if value is not avaliable set -1
*/
void
if_get_metric (struct interface *ifp)
{
struct lifreq lifreq;
int ret;
lifreq_set_name (&lifreq, ifp->name);
if (ifp->flags & IFF_IPV4)
ret = AF_IOCTL (AF_INET, SIOCGLIFMETRIC, (caddr_t) & lifreq);
#ifdef SOLARIS_IPV6
else if (ifp->flags & IFF_IPV6)
ret = AF_IOCTL (AF_INET6, SIOCGLIFMETRIC, (caddr_t) & lifreq);
#endif /* SOLARIS_IPV6 */
else
ret = -1;
if (ret < 0)
return;
ifp->metric = lifreq.lifr_metric;
if (ifp->metric == 0)
ifp->metric = 1;
}
/* Set interface flags */
int if_set_flags(struct interface *ifp, uint64_t flags)
{
int ret;
struct lifreq lifreq;
lifreq_set_name(&lifreq, ifp->name);
lifreq.lifr_flags = ifp->flags;
lifreq.lifr_flags |= flags;
if (ifp->flags & IFF_IPV4)
ret = AF_IOCTL(AF_INET, SIOCSLIFFLAGS, (caddr_t)&lifreq);
else if (ifp->flags & IFF_IPV6)
ret = AF_IOCTL(AF_INET6, SIOCSLIFFLAGS, (caddr_t)&lifreq);
else
ret = -1;
if (ret < 0)
zlog_info("can't set interface flags on %s: %s", ifp->name,
safe_strerror(errno));
else
ret = 0;
return ret;
}
/* Get interface's index by ioctl. */
static int
if_get_index (struct interface *ifp)
{
int ret;
struct lifreq lifreq;
lifreq_set_name (&lifreq, ifp->name);
if (ifp->flags & IFF_IPV4)
ret = AF_IOCTL (AF_INET, SIOCGLIFINDEX, (caddr_t) & lifreq);
else if (ifp->flags & IFF_IPV6)
ret = AF_IOCTL (AF_INET6, SIOCGLIFINDEX, (caddr_t) & lifreq);
else
ret = -1;
if (ret < 0)
{
zlog_warn ("SIOCGLIFINDEX(%s) failed", ifp->name);
return ret;
}
/* OK we got interface index. */
#ifdef ifr_ifindex
ifp->ifindex = lifreq.lifr_ifindex;
#else
ifp->ifindex = lifreq.lifr_index;
#endif
return ifp->ifindex;
}
/* Unset interface's flag. */
int
if_unset_flags (struct interface_FOO *ifp, uint64_t flags)
{
int ret;
struct lifreq lifreq;
lifreq_set_name (&lifreq, ifp->name);
lifreq.lifr_flags = ifp->flags;
lifreq.lifr_flags &= ~flags;
if (ifp->flags & IFF_IPV4)
ret = AF_IOCTL (AF_INET, SIOCSLIFFLAGS, (caddr_t) & lifreq);
else if (ifp->flags & IFF_IPV6)
ret = AF_IOCTL (AF_INET6, SIOCSLIFFLAGS, (caddr_t) & lifreq);
else
ret = -1;
if (ret < 0)
zlog_info ("can't unset interface flags");
else
ret = 0;
return ret;
}
/* get interface MTU */
void
if_get_mtu (struct interface *ifp)
{
struct lifreq lifreq;
int ret;
u_char changed = 0;
if (ifp->flags & IFF_IPV4)
{
lifreq_set_name (&lifreq, ifp->name);
ret = AF_IOCTL (AF_INET, SIOCGLIFMTU, (caddr_t) & lifreq);
if (ret < 0)
{
zlog_info ("Can't lookup mtu on %s by ioctl(SIOCGLIFMTU)",
ifp->name);
ifp->mtu = -1;
}
else
{
ifp->mtu = lifreq.lifr_metric;
changed = 1;
}
}
#ifdef HAVE_IPV6
if (ifp->flags & IFF_IPV6)
{
memset(&lifreq, 0, sizeof(lifreq));
lifreq_set_name (&lifreq, ifp->name);
ret = AF_IOCTL (AF_INET6, SIOCGLIFMTU, (caddr_t) & lifreq);
if (ret < 0)
{
zlog_info ("Can't lookup mtu6 on %s by ioctl(SIOCGIFMTU)", ifp->name);
ifp->mtu6 = -1;
}
else
{
ifp->mtu6 = lifreq.lifr_metric;
changed = 1;
}
}
#endif /* HAVE_IPV6 */
if (changed)
zebra_interface_up_update(ifp);
}
/* Get just the flags for the given name.
* Used by the normal 'if_get_flags' function, as well
* as the bootup interface-list code, which has to peek at per-address
* flags in order to figure out which ones should be ignored..
*/
int if_get_flags_direct(const char *ifname, uint64_t *flags, unsigned int af)
{
struct lifreq lifreq;
int ret;
lifreq_set_name(&lifreq, ifname);
ret = AF_IOCTL(af, SIOCGLIFFLAGS, (caddr_t)&lifreq);
if (ret)
zlog_debug("%s: ifname %s, error %s (%d)", __func__, ifname,
safe_strerror(errno), errno);
*flags = lifreq.lifr_flags;
return ret;
}
/* Retrieve address information for the given ifp */
static int
if_get_addr (struct interface *ifp, struct sockaddr *addr, const char *label)
{
int ret;
struct lifreq lifreq;
struct sockaddr_storage mask, dest;
char *dest_pnt = NULL;
u_char prefixlen = 0;
afi_t af;
int flags = 0;
/* Interface's name and address family.
* We need to use the logical interface name / label, if we've been
* given one, in order to get the right address
*/
strncpy (lifreq.lifr_name, (label ? label : ifp->name), IFNAMSIZ);
/* Interface's address. */
memcpy (&lifreq.lifr_addr, addr, ADDRLEN (addr));
af = addr->sa_family;
/* Point to point or broad cast address pointer init. */
dest_pnt = NULL;
if (AF_IOCTL (af, SIOCGLIFDSTADDR, (caddr_t) & lifreq) >= 0)
{
memcpy (&dest, &lifreq.lifr_dstaddr, ADDRLEN (addr));
if (af == AF_INET)
dest_pnt = (char *) &(SIN (&dest)->sin_addr);
else
dest_pnt = (char *) &(SIN6 (&dest)->sin6_addr);
flags = ZEBRA_IFA_PEER;
}
if (af == AF_INET)
{
ret = if_ioctl (SIOCGLIFNETMASK, (caddr_t) & lifreq);
if (ret < 0)
{
if (errno != EADDRNOTAVAIL)
{
zlog_warn ("SIOCGLIFNETMASK (%s) fail: %s", ifp->name,
safe_strerror (errno));
return ret;
}
return 0;
}
memcpy (&mask, &lifreq.lifr_addr, ADDRLEN (addr));
prefixlen = ip_masklen (SIN (&mask)->sin_addr);
if (!dest_pnt && (if_ioctl (SIOCGLIFBRDADDR, (caddr_t) & lifreq) >= 0))
{
memcpy (&dest, &lifreq.lifr_broadaddr, sizeof (struct sockaddr_in));
dest_pnt = (char *) &SIN (&dest)->sin_addr;
}
}
#ifdef HAVE_IPV6
else if (af == AF_INET6)
{
if (if_ioctl_ipv6 (SIOCGLIFSUBNET, (caddr_t) & lifreq) < 0)
{
if (ifp->flags & IFF_POINTOPOINT)
prefixlen = IPV6_MAX_BITLEN;
else
zlog_warn ("SIOCGLIFSUBNET (%s) fail: %s",
ifp->name, safe_strerror (errno));
}
else
{
prefixlen = lifreq.lifr_addrlen;
}
}
#endif /* HAVE_IPV6 */
/* Set address to the interface. */
if (af == AF_INET)
connected_add_ipv4 (ifp, flags, &SIN (addr)->sin_addr, prefixlen,
(struct in_addr *) dest_pnt, label);
#ifdef HAVE_IPV6
else if (af == AF_INET6)
connected_add_ipv6 (ifp, flags, &SIN6 (addr)->sin6_addr, prefixlen,
(struct in6_addr *) dest_pnt, label);
#endif /* HAVE_IPV6 */
return 0;
}
