int
main(int argc, const char *argv[])
{
int syserr;
vnd_errno_t vnderr;
vnd_handle_t *vhp, *vhp2;
if (argc < 2) {
(void) fprintf(stderr, "missing arguments...\n");
return (1);
}
if (strlen(argv[1]) >= LIBVND_NAMELEN) {
(void) fprintf(stderr, "vnic name too long...\n");
return (1);
}
vhp = vnd_create(NULL, argv[1], argv[1], &vnderr, &syserr);
assert(vhp != NULL);
assert(vnderr == 0);
assert(syserr == 0);
vhp2 = vnd_open(NULL, argv[1], &vnderr, &syserr);
assert(vhp2 != NULL);
assert(vnderr == 0);
assert(syserr == 0);
vnd_close(vhp2);
vnd_close(vhp);
return (0);
}
int
net_init_vnic(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan)
{
int fd, len, vnderr, syserr;
const char *ifname, *mac;
uchar_t *macaddr;
VLANClientState *ncp;
VNICState *vsp;
vnd_prop_buf_t vib;
if ((ifname = qemu_opt_get(opts, "ifname")) == NULL) {
error_report("missing ifname required for vnic\n");
return (-1);
}
mac = qemu_opt_get(opts, "macaddr");
if (mac != NULL) {
macaddr = _link_aton(mac, &len);
if (macaddr == NULL || len != ETHERADDRL) {
error_report("invalid macaddr for vnic: %s\n", mac);
return (-1);
}
}
ncp = qemu_new_net_client(&net_vnic_info, vlan, NULL, "vnic", name);
vsp = DO_UPCAST(VNICState, vns_nc, ncp);
vsp->vns_hdl = vnd_open(NULL, ifname, &vnderr, &syserr);
if (vsp->vns_hdl == NULL) {
const char *err = vnderr != VND_E_SYS ?
vnd_strerror(vnderr) : vnd_strsyserror(syserr);
error_report("vnic: failed to open interface %s - %s\n",
ifname, err);
return (-1);
}
vib.vpb_size = 1024 * 1024 * 4; /* 4 MB */
if (vnd_prop_set(vsp->vns_hdl, VND_PROP_RXBUF, &vib,
sizeof (vib)) != 0) {
const char *err = vnderr != VND_E_SYS ?
vnd_strerror(vnderr) : vnd_strsyserror(syserr);
error_report("failed to change rx buf size: %s\n", err);
return (-1);
}
vib.vpb_size = 1024 * 1024 * 4; /* 4 MB */
if (vnd_prop_set(vsp->vns_hdl, VND_PROP_TXBUF, &vib,
sizeof (vib)) != 0) {
const char *err = vnderr != VND_E_SYS ?
vnd_strerror(vnderr) : vnd_strsyserror(syserr);
error_report("failed to change tx buf size: %s\n", err);
return (-1);
}
fd = vnd_pollfd(vsp->vns_hdl);
if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0) {
error_report("vnic: failed to set fd on interface %s to "
"non-blocking: %s\n", ifname, strerror(errno));
return (-1);
}
vsp->vns_fd = fd;
snprintf(vsp->vns_nc.info_str, sizeof (vsp->vns_nc.info_str), "ifname=%s",
qemu_opt_get(opts, "ifname"));
if (vnic_dhcp_init(&vsp->vns_ds, opts) == 0)
return (-1);
if (vnic_frameio_init(vsp) != 0) {
error_report("vnic: failed initialize frameio: %s\n",
strerror(errno));
return (-1);
}
/* We have to manually intialize the polling for read */
vnic_read_poll(vsp, 1);
return (0);
}
