static int
parse_addr(struct in_addr *addr, struct in_addr *net, const char *arg)
{
char *p;
int i;
if (arg == NULL || *arg == '\0') {
if (addr != NULL)
addr->s_addr = 0;
if (net != NULL)
net->s_addr = 0;
return 0;
}
if ((p = strchr(arg, '/')) != NULL) {
*p++ = '\0';
if (net != NULL &&
(sscanf(p, "%d", &i) != 1 ||
inet_cidrtoaddr(i, net) != 0))
{
syslog(LOG_ERR, "`%s' is not a valid CIDR", p);
return -1;
}
}
if (addr != NULL && inet_aton(arg, addr) == 0) {
syslog(LOG_ERR, "`%s' is not a valid IP address", arg);
return -1;
}
if (p != NULL)
*--p = '/';
else if (net != NULL && addr != NULL)
net->s_addr = ipv4_getnetmask(addr->s_addr);
return 0;
}
/* ARGSUSED */
static int
ibd_output(int index, struct inetgram *ogp)
{
int header_len, result;
ipoib_ptxhdr_t eh;
struct ip *ip;
struct in_addr tmpip, ipdst;
int broadcast = FALSE;
int size;
mblk_t *mp;
if (!initialized)
prom_panic("IPoIB device is not initialized.");
if (ogp->igm_level != MEDIA_LVL) {
dprintf("ibd_output: frame type wrong: socket: %d\n",
index * SOCKETTYPE);
errno = EINVAL;
return (-1);
}
header_len = IPOIB_HDRSIZE + IPOIB_ADDRL;
mp = ogp->igm_mp;
size = mp->b_wptr - mp->b_rptr;
if (size > (mac_state.mac_mtu - IPOIB_ADDRL)) {
dprintf("ibd_output: frame size too big: %d\n", size);
errno = E2BIG;
return (-1);
}
size += header_len;
ip = (struct ip *)(mp->b_rptr);
eh.ipoib_rhdr.ipoib_type = htons(ETHERTYPE_IP);
eh.ipoib_rhdr.ipoib_mbz = 0;
bcopy((caddr_t)&ip->ip_dst, (caddr_t)&ipdst, sizeof (ipdst));
if (ipdst.s_addr == htonl(INADDR_BROADCAST))
broadcast = TRUE; /* limited broadcast */
if (!broadcast) {
struct in_addr mask;
ipv4_getnetmask(&mask);
mask.s_addr = htonl(mask.s_addr);
if (mask.s_addr != htonl(INADDR_BROADCAST) &&
(ipdst.s_addr & ~mask.s_addr) == 0) {
broadcast = TRUE; /* directed broadcast */
} else {
if (ogp->igm_router.s_addr != htonl(INADDR_ANY))
tmpip.s_addr = ogp->igm_router.s_addr;
else
tmpip.s_addr = ipdst.s_addr;
result = mac_get_arp(&tmpip, (void *)&eh.ipoib_dest,
IPOIB_ADDRL, mac_state.mac_arp_timeout);
if (!result) {
errno = ETIMEDOUT;
dprintf("ibd_output: ARP request for %s "
"timed out.\n", inet_ntoa(tmpip));
return (-1);
}
}
}
if (broadcast)
bcopy((caddr_t)&ibdbroadcastaddr, (caddr_t)&eh.ipoib_dest,
IPOIB_ADDRL);
/* add the ibd header */
mp->b_rptr -= sizeof (eh);
bcopy((caddr_t)&eh, mp->b_rptr, sizeof (eh));
#ifdef DEBUG
printf("ibd_output(%d): level(%d) frame(0x%x) len(%d)\n",
index, ogp->igm_level, mp->b_rptr, size);
#endif /* DEBUG */
return (prom_write(mac_state.mac_dev, (char *)mp->b_rptr, size,
0, NETWORK));
}