/*
* Called by devopen after it sets f->f_dev to our devsw entry.
* This opens the low-level device and sets f->f_devdata.
*/
int
net_open(struct of_dev *op)
{
int error = 0;
/*
* On first open, do netif open, mount, etc.
*/
if (open_count == 0) {
/* Find network interface. */
if ((netdev_sock = netif_open(op)) < 0) {
error = errno;
goto bad;
}
if ((error = net_mountroot()) != 0)
goto bad;
}
open_count++;
bad:
if (netdev_sock >= 0 && open_count == 0) {
netif_close(netdev_sock);
netdev_sock = -1;
}
return error;
}
int
net_close(struct open_file *f)
{
#ifdef NETIF_DEBUG
if (debug)
printf("net_close: opens=%d\n", netdev_opens);
#endif
/* On last close, do netif close, etc. */
f->f_devdata = NULL;
/* Extra close call? */
if (netdev_opens <= 0)
return (0);
netdev_opens--;
/* Not last close? */
if (netdev_opens > 0)
return(0);
rootip.s_addr = 0;
if (netdev_sock >= 0) {
if (debug)
printf("net_close: calling netif_close()\n");
netif_close(netdev_sock);
netdev_sock = -1;
}
return (0);
}
/*
* Called by devopen after it sets f->f_dev to our devsw entry.
* This opens the low-level device and sets f->f_devdata.
* This is declared with variable arguments...
*/
int
net_open(struct open_file *f, void *vdev)
{
char *devname; /* Device part of file name (or NULL). */
int error = 0;
devname = vdev;
/* On first open, do netif open, mount, etc. */
if (netdev_opens == 0) {
/* Find network interface. */
if (netdev_sock < 0) {
netdev_sock = netif_open(devname);
if (netdev_sock < 0) {
printf("net_open: netif_open() failed\n");
return (ENXIO);
}
if (debug)
printf("net_open: netif_open() succeeded\n");
}
if (rootip.s_addr == 0) {
/* Get root IP address, and path, etc. */
error = net_getparams(netdev_sock);
if (error) {
/* getparams makes its own noise */
netif_close(netdev_sock);
netdev_sock = -1;
return (error);
}
}
}
netdev_opens++;
f->f_devdata = &netdev_sock;
return (error);
}
int
net_close(struct promdata *pd)
{
/* On last close, do netif close, etc. */
if (open_count > 0)
if (--open_count == 0)
netif_close(netdev_sock);
}
int
net_close(struct open_file *f)
{
/* On last close, do netif close, etc. */
if (open_count > 0)
if (--open_count == 0)
netif_close(netdev_sock);
f->f_devdata = NULL;
}
int
net_close(struct open_file *f)
{
int sock;
sock = *((int *) f->f_devdata);
netif_close(sock);
f->f_devdata = NULL;
return 0;
}
/*
* Called by devopen after it sets f->f_dev to our devsw entry.
* This opens the low-level device and sets f->f_devdata.
* This is declared with variable arguments...
*/
int
net_open(struct open_file *f, ...)
{
va_list ap;
char *devname; /* Device part of file name (or NULL). */
int error = 0;
va_start(ap, f);
devname = va_arg(ap, char*);
va_end(ap);
#ifdef NETIF_DEBUG
if (debug)
printf("net_open: %s\n", devname);
#endif
/* On first open, do netif open, mount, etc. */
if (netdev_opens == 0) {
/* Find network interface. */
if (netdev_sock < 0) {
netdev_sock = netif_open(devname);
if (netdev_sock < 0) {
printf("net_open: netif_open() failed\n");
return (ENXIO);
}
if (debug)
printf("net_open: netif_open() succeeded\n");
}
if (rootip.s_addr == 0) {
/* Get root IP address, and path, etc. */
error = net_getparams(netdev_sock);
if (error) {
/* getparams makes its own noise */
goto fail;
}
/* Get the NFS file handle (mountd). */
error = nfs_mount(netdev_sock, rootip, rootpath);
if (error) {
error = errno;
printf("net_open: NFS mount error=%d\n", error);
rootip.s_addr = 0;
fail:
netif_close(netdev_sock);
netdev_sock = -1;
return (error);
}
if (debug)
printf("net_open: NFS mount succeeded\n");
}
}
netdev_opens++;
f->f_devdata = nfs_root_node;
return (error);
}
int
net_close(struct of_dev *op)
{
/*
* On last close, do netif close, etc.
*/
if (open_count > 0)
if (--open_count == 0) {
netif_close(netdev_sock);
netdev_sock = -1;
}
}
static void
net_cleanup(void)
{
if (netdev_sock >= 0) {
#ifdef NETIF_DEBUG
if (debug)
printf("net_cleanup: calling netif_close()\n");
#endif
rootip.s_addr = 0;
free(netdev_name);
netif_close(netdev_sock);
netdev_sock = -1;
}
}
int
net_open(struct open_file *f, ...)
{
char *fname;
char **file;
struct iodesc *s;
va_list ap;
va_start(ap, f);
fname = va_arg(ap, char *);
file = va_arg(ap, char **);
va_end(ap);
f->f_devdata = &netdev_sock;
netdev_sock = netif_open(NULL);
bootfile[0] = '\0';
if (bootopts.b_flags & B_F_USE_BOOTP) {
s = socktodesc(netdev_sock);
bootp(netdev_sock);
if (fname[0] != '\0')
strlcpy(bootfile, fname, sizeof bootfile);
} else {
s = socktodesc(netdev_sock);
servip = s->destip = bootopts.b_remote_ip;
myip = s->myip = bootopts.b_local_ip;
netmask = bootopts.b_netmask;
gateip = bootopts.b_gate_ip;
if (fname[0] == '\0') {
printf("no boot filename\n");
netif_close(netdev_sock);
return EIO;
}
strlcpy(bootfile, fname, sizeof bootfile);
}
*file = bootfile;
return 0;
}
/*
* Called by devopen after it sets f->f_dev to our devsw entry.
* This opens the low-level device and sets f->f_devdata.
* This is declared with variable arguments...
*/
static int
net_open(struct open_file *f, ...)
{
char temp[FNAME_SIZE];
struct iodesc *d;
va_list args;
char *devname; /* Device part of file name (or NULL). */
int error = 0;
va_start(args, f);
devname = va_arg(args, char*);
va_end(args);
#ifdef NETIF_OPEN_CLOSE_ONCE
/* Before opening another interface, close the previous one first. */
if (netdev_sock >= 0 && strcmp(devname, netdev_name) != 0)
net_cleanup();
#endif
/* On first open, do netif open, mount, etc. */
if (netdev_opens == 0) {
/* Find network interface. */
if (netdev_sock < 0) {
netdev_sock = netif_open(devname);
if (netdev_sock < 0) {
printf("net_open: netif_open() failed\n");
return (ENXIO);
}
netdev_name = strdup(devname);
#ifdef NETIF_DEBUG
if (debug)
printf("net_open: netif_open() succeeded\n");
#endif
}
/*
* If network params were not set by netif_open(), try to get
* them via bootp, rarp, etc.
*/
if (rootip.s_addr == 0) {
/* Get root IP address, and path, etc. */
error = net_getparams(netdev_sock);
if (error) {
/* getparams makes its own noise */
free(netdev_name);
netif_close(netdev_sock);
netdev_sock = -1;
return (error);
}
}
/*
* Set the variables required by the kernel's nfs_diskless
* mechanism. This is the minimum set of variables required to
* mount a root filesystem without needing to obtain additional
* info from bootp or other sources.
*/
d = socktodesc(netdev_sock);
sprintf(temp, "%6D", d->myea, ":");
setenv("boot.netif.hwaddr", temp, 1);
setenv("boot.netif.ip", inet_ntoa(myip), 1);
setenv("boot.netif.netmask", intoa(netmask), 1);
setenv("boot.netif.gateway", inet_ntoa(gateip), 1);
setenv("boot.nfsroot.server", inet_ntoa(rootip), 1);
setenv("boot.nfsroot.path", rootpath, 1);
}
netdev_opens++;
f->f_devdata = &netdev_sock;
return (error);
}
/*
* Called by devopen after it sets f->f_dev to our devsw entry.
* This opens the low-level device and sets f->f_devdata.
*/
int
net_open(struct open_file *f, ...)
{
int error = 0;
#ifdef NET_DEBUG
if (netdev_sock != -1)
panic("net_open");
#endif
/* Find network interface. */
if ((netdev_sock = netif_open()) < 0)
return (ENXIO);
#ifdef SUPPORT_BOOTP
printf("configure network...trying bootp\n");
/* Get boot info using BOOTP way. (RFC951, RFC1048) */
bootp(netdev_sock);
#endif
if (myip.s_addr != INADDR_ANY) { /* got bootp reply or
* manually set */
#ifdef TFTP_HACK
int num, i;
/* XXX (some) tftp servers don't like leading "/" */
for (num = 0; bootfile[num] == '/'; num++);
for (i = 0; (bootfile[i] = bootfile[i + num]) != 0; i++);
#endif
printf("boot: client IP address: %s\n",
inet_ntoa(myip));
printf("boot: client name: %s\n", hostname);
} else {
#ifdef SUPPORT_RARP
/*
* no answer, Get boot info using RARP and Sun
* bootparams.
*/
printf("configure network...trying rarp\n");
/* Get our IP address. (rarp.c) */
if (rarp_getipaddress(netdev_sock)) {
error = EIO;
goto bad;
}
printf("boot: client IP address: %s\n",
inet_ntoa(myip));
#ifdef SUPPORT_BOOTPARAM
/* Get our hostname, server IP address. */
if (!bp_whoami(netdev_sock)) {
printf("boot: client name: %s\n", hostname);
/* Get the root pathname. */
bp_getfile(netdev_sock, "root", &rootip,
rootpath);
}
#else
/*
* else fallback: use rarp server address
*/
#endif
#else /* no SUPPORT_RARP */
error = EIO;
goto bad;
#endif
}
printf("boot: server: %s, rootpath: %s, bootfile: %s\n",
inet_ntoa(rootip), rootpath, bootfile);
f->f_devdata = &netdev_sock;
return (error);
bad:
printf("net_open failed\n");
netif_close(netdev_sock);
return (error);
}
