Show info about net devices in loader's 'lsdev' command. While there fix style.
This commit is contained in:
Rafal Jaworowski
parent
09c7f9e338
commit
387a29b78d
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=182731
@ -1,4 +1,4 @@
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/*
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/*
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* $NetBSD: dev_net.c,v 1.12 1997/12/10 20:38:37 gwr Exp $
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*/
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@ -90,20 +90,21 @@ static void net_print(int);
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static int net_getparams(int sock);
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struct devsw netdev = {
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"net",
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DEVT_NET,
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net_init,
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net_strategy,
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net_open,
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net_close,
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noioctl,
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net_print
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"net",
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DEVT_NET,
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net_init,
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net_strategy,
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net_open,
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net_close,
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noioctl,
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net_print
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};
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int
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net_init(void)
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{
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return 0;
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return (0);
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}
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/*
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@ -114,75 +115,74 @@ net_init(void)
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int
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net_open(struct open_file *f, ...)
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{
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va_list args;
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char *devname; /* Device part of file name (or NULL). */
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int error = 0;
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va_list args;
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char *devname; /* Device part of file name (or NULL). */
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int error = 0;
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va_start(args, f);
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devname = va_arg(args, char*);
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va_end(args);
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va_start(args, f);
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devname = va_arg(args, char*);
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va_end(args);
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/* On first open, do netif open, mount, etc. */
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if (netdev_opens == 0) {
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/* Find network interface. */
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if (netdev_sock < 0) {
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netdev_sock = netif_open(devname);
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if (netdev_sock < 0) {
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printf("net_open: netif_open() failed\n");
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return (ENXIO);
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}
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if (debug)
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printf("net_open: netif_open() succeeded\n");
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}
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if (rootip.s_addr == 0) {
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/* Get root IP address, and path, etc. */
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error = net_getparams(netdev_sock);
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if (error) {
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/* On first open, do netif open, mount, etc. */
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if (netdev_opens == 0) {
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/* Find network interface. */
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if (netdev_sock < 0) {
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netdev_sock = netif_open(devname);
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if (netdev_sock < 0) {
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printf("net_open: netif_open() failed\n");
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return (ENXIO);
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}
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if (debug)
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printf("net_open: netif_open() succeeded\n");
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}
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if (rootip.s_addr == 0) {
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/* Get root IP address, and path, etc. */
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error = net_getparams(netdev_sock);
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if (error) {
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/* getparams makes its own noise */
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netif_close(netdev_sock);
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netdev_sock = -1;
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return (error);
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}
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netif_close(netdev_sock);
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netdev_sock = -1;
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return (error);
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}
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}
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}
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}
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netdev_opens++;
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f->f_devdata = &netdev_sock;
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return (error);
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netdev_opens++;
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f->f_devdata = &netdev_sock;
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return (error);
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}
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int
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net_close(f)
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struct open_file *f;
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net_close(struct open_file *f)
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{
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#ifdef NETIF_DEBUG
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if (debug)
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printf("net_close: opens=%d\n", netdev_opens);
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if (debug)
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printf("net_close: opens=%d\n", netdev_opens);
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#endif
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/* On last close, do netif close, etc. */
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f->f_devdata = NULL;
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/* Extra close call? */
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if (netdev_opens <= 0)
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/* On last close, do netif close, etc. */
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f->f_devdata = NULL;
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/* Extra close call? */
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if (netdev_opens <= 0)
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return (0);
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netdev_opens--;
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/* Not last close? */
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if (netdev_opens > 0)
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return(0);
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rootip.s_addr = 0;
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if (netdev_sock >= 0) {
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if (debug)
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printf("net_close: calling netif_close()\n");
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netif_close(netdev_sock);
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netdev_sock = -1;
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}
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return (0);
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netdev_opens--;
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/* Not last close? */
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if (netdev_opens > 0)
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return(0);
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rootip.s_addr = 0;
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if (netdev_sock >= 0) {
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if (debug)
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printf("net_close: calling netif_close()\n");
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netif_close(netdev_sock);
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netdev_sock = -1;
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}
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return (0);
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}
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int
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net_strategy()
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{
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return EIO;
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return (EIO);
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}
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#define SUPPORT_BOOTP
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@ -205,106 +205,118 @@ int try_bootp = 1;
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extern n_long ip_convertaddr(char *p);
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static int
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net_getparams(sock)
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int sock;
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net_getparams(int sock)
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{
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char buf[MAXHOSTNAMELEN];
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char temp[FNAME_SIZE];
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struct iodesc *d;
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int i;
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n_long smask;
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char buf[MAXHOSTNAMELEN];
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char temp[FNAME_SIZE];
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struct iodesc *d;
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int i;
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n_long smask;
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#ifdef SUPPORT_BOOTP
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/*
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* Try to get boot info using BOOTP. If we succeed, then
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* the server IP address, gateway, and root path will all
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* be initialized. If any remain uninitialized, we will
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* use RARP and RPC/bootparam (the Sun way) to get them.
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*/
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if (try_bootp)
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bootp(sock, BOOTP_NONE);
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if (myip.s_addr != 0)
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goto exit;
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if (debug)
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printf("net_open: BOOTP failed, trying RARP/RPC...\n");
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/*
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* Try to get boot info using BOOTP. If we succeed, then
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* the server IP address, gateway, and root path will all
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* be initialized. If any remain uninitialized, we will
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* use RARP and RPC/bootparam (the Sun way) to get them.
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*/
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if (try_bootp)
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bootp(sock, BOOTP_NONE);
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if (myip.s_addr != 0)
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goto exit;
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if (debug)
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printf("net_open: BOOTP failed, trying RARP/RPC...\n");
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#endif
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/*
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* Use RARP to get our IP address. This also sets our
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* netmask to the "natural" default for our address.
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*/
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if (rarp_getipaddress(sock)) {
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printf("net_open: RARP failed\n");
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return (EIO);
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}
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printf("net_open: client addr: %s\n", inet_ntoa(myip));
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/*
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* Use RARP to get our IP address. This also sets our
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* netmask to the "natural" default for our address.
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*/
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if (rarp_getipaddress(sock)) {
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printf("net_open: RARP failed\n");
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return (EIO);
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}
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printf("net_open: client addr: %s\n", inet_ntoa(myip));
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/* Get our hostname, server IP address, gateway. */
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if (bp_whoami(sock)) {
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printf("net_open: bootparam/whoami RPC failed\n");
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return (EIO);
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}
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if (debug)
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printf("net_open: client name: %s\n", hostname);
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/* Get our hostname, server IP address, gateway. */
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if (bp_whoami(sock)) {
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printf("net_open: bootparam/whoami RPC failed\n");
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return (EIO);
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}
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if (debug)
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printf("net_open: client name: %s\n", hostname);
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/*
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* Ignore the gateway from whoami (unreliable).
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* Use the "gateway" parameter instead.
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*/
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smask = 0;
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gateip.s_addr = 0;
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if (bp_getfile(sock, "gateway", &gateip, buf) == 0) {
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/* Got it! Parse the netmask. */
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smask = ip_convertaddr(buf);
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}
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if (smask) {
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netmask = smask;
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if (debug)
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printf("net_open: subnet mask: %s\n", intoa(netmask));
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}
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if (gateip.s_addr && debug)
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printf("net_open: net gateway: %s\n", inet_ntoa(gateip));
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/*
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* Ignore the gateway from whoami (unreliable).
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* Use the "gateway" parameter instead.
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*/
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smask = 0;
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gateip.s_addr = 0;
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if (bp_getfile(sock, "gateway", &gateip, buf) == 0) {
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/* Got it! Parse the netmask. */
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smask = ip_convertaddr(buf);
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}
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if (smask) {
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netmask = smask;
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if (debug)
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printf("net_open: subnet mask: %s\n", intoa(netmask));
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}
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if (gateip.s_addr && debug)
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printf("net_open: net gateway: %s\n", inet_ntoa(gateip));
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/* Get the root server and pathname. */
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if (bp_getfile(sock, "root", &rootip, rootpath)) {
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printf("net_open: bootparam/getfile RPC failed\n");
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return (EIO);
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}
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exit:
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/*
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* If present, strip the server's address off of the rootpath
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* before passing it along. This allows us to be compatible with
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* the kernel's diskless (BOOTP_NFSROOT) booting conventions
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*/
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for (i = 0; rootpath[i] != '\0' && i < FNAME_SIZE; i++)
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if (rootpath[i] == ':')
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break;
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if (i && i != FNAME_SIZE && rootpath[i] == ':') {
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rootpath[i++] = '\0';
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if (inet_addr(&rootpath[0]) != INADDR_NONE)
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rootip.s_addr = inet_addr(&rootpath[0]);
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bcopy(&rootpath[i], &temp[0], strlen(&rootpath[i])+1);
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bcopy(&temp[0], &rootpath[0], strlen(&rootpath[i])+1);
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}
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if (debug) {
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printf("net_open: server addr: %s\n", inet_ntoa(rootip));
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printf("net_open: server path: %s\n", rootpath);
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}
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/* Get the root server and pathname. */
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if (bp_getfile(sock, "root", &rootip, rootpath)) {
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printf("net_open: bootparam/getfile RPC failed\n");
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return (EIO);
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}
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exit:
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/*
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* If present, strip the server's address off of the rootpath
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* before passing it along. This allows us to be compatible with
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* the kernel's diskless (BOOTP_NFSROOT) booting conventions
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*/
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for (i = 0; rootpath[i] != '\0' && i < FNAME_SIZE; i++)
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if (rootpath[i] == ':')
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break;
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if (i && i != FNAME_SIZE && rootpath[i] == ':') {
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rootpath[i++] = '\0';
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if (inet_addr(&rootpath[0]) != INADDR_NONE)
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rootip.s_addr = inet_addr(&rootpath[0]);
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bcopy(&rootpath[i], &temp[0], strlen(&rootpath[i])+1);
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bcopy(&temp[0], &rootpath[0], strlen(&rootpath[i])+1);
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}
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if (debug) {
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printf("net_open: server addr: %s\n", inet_ntoa(rootip));
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printf("net_open: server path: %s\n", rootpath);
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}
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d = socktodesc(sock);
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sprintf(temp, "%6D", d->myea, ":");
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setenv("boot.netif.ip", inet_ntoa(myip), 1);
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setenv("boot.netif.netmask", intoa(netmask), 1);
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setenv("boot.netif.gateway", inet_ntoa(gateip), 1);
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setenv("boot.netif.hwaddr", temp, 1);
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setenv("boot.nfsroot.server", inet_ntoa(rootip), 1);
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setenv("boot.nfsroot.path", rootpath, 1);
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d = socktodesc(sock);
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sprintf(temp, "%6D", d->myea, ":");
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setenv("boot.netif.ip", inet_ntoa(myip), 1);
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setenv("boot.netif.netmask", intoa(netmask), 1);
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setenv("boot.netif.gateway", inet_ntoa(gateip), 1);
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setenv("boot.netif.hwaddr", temp, 1);
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setenv("boot.nfsroot.server", inet_ntoa(rootip), 1);
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setenv("boot.nfsroot.path", rootpath, 1);
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return (0);
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return (0);
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}
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static void
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net_print(int verbose)
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{
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return;
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struct netif_driver *drv;
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int i, d, cnt;
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cnt = 0;
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for (d = 0; netif_drivers[d]; d++) {
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drv = netif_drivers[d];
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for (i = 0; i < drv->netif_nifs; i++) {
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printf("\t%s%d:", "net", cnt++);
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if (verbose)
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printf(" (%s%d)", drv->netif_bname,
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drv->netif_ifs[i].dif_unit);
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}
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}
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printf("\n");
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}
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@ -35,32 +35,33 @@ __FBSDID("$FreeBSD$");
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int
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devopen(struct open_file *f, const char *fname, const char **file)
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{
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struct devdesc *dev;
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int result;
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struct devdesc *dev;
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int result;
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result = archsw.arch_getdev((void **)&dev, fname, file);
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if (result)
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return (result);
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result = archsw.arch_getdev((void **)&dev, fname, file);
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if (result)
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return (result);
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/* point to device-specific data so that device open can use it */
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f->f_devdata = dev;
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result = dev->d_dev->dv_open(f, dev);
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if (result != 0) {
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f->f_devdata = NULL;
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free(dev);
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return (result);
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}
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/* point to device-specific data so that device open can use it */
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f->f_devdata = dev;
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result = dev->d_dev->dv_open(f, dev);
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if (result != 0) {
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f->f_devdata = NULL;
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free(dev);
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return (result);
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}
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/* reference the devsw entry from the open_file structure */
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f->f_dev = dev->d_dev;
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return (0);
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/* reference the devsw entry from the open_file structure */
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f->f_dev = dev->d_dev;
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return (0);
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}
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int
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devclose(struct open_file *f)
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{
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if (f->f_devdata != NULL) {
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free(f->f_devdata);
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}
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return(0);
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if (f->f_devdata != NULL) {
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free(f->f_devdata);
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}
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return (0);
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}
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