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    /openrisc/trunk/rtos/rtems/c/src/libnetworking/nfs
    from Rev 30 to Rev 173
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  •

Rev 30 → Rev 173

/bootp_subr.c
0,0 → 1,1036
/* $Id: bootp_subr.c,v 1.2 2001-09-27 12:01:56 chris Exp $ */
 
/*
* Copyright (c) 1995 Gordon Ross, Adam Glass
* Copyright (c) 1992 Regents of the University of California.
* All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* based on:
* nfs/krpc_subr.c
* $NetBSD: krpc_subr.c,v 1.10 1995/08/08 20:43:43 gwr Exp $
*/
 
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/sockio.h>
#include <sys/proc.h>
#include <sys/mount.h>
#include <sys/mbuf.h>
#include <sys/reboot.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
 
#include <net/if.h>
#include <net/route.h>
 
#include <netinet/in.h>
#include <net/if_types.h>
#include <net/if_dl.h>
#include <netinet/if_ether.h>
 
#include <nfs/rpcv2.h>
#include <nfs/nfsproto.h>
#include <nfs/nfs.h>
#include <nfs/nfsdiskless.h>
#include <nfs/krpc.h>
#include <nfs/xdr_subs.h>
 
#define BOOTP_MIN_LEN 300 /* Minimum size of bootp udp packet */
 
/*
* What is the longest we will wait before re-sending a request?
* Note this is also the frequency of "RPC timeout" messages.
* The re-send loop count sup linearly to this maximum, so the
* first complaint will happen after (1+2+3+4+5)=15 seconds.
*/
#define MAX_RESEND_DELAY 5 /* seconds */
 
/* Definitions from RFC951 */
struct bootp_packet {
u_int8_t op;
u_int8_t htype;
u_int8_t hlen;
u_int8_t hops;
u_int32_t xid;
u_int16_t secs;
u_int16_t flags;
struct in_addr ciaddr;
struct in_addr yiaddr;
struct in_addr siaddr;
struct in_addr giaddr;
unsigned char chaddr[16];
char sname[64];
char file[128];
unsigned char vend[256];
};
 
#define IPPORT_BOOTPC 68
#define IPPORT_BOOTPS 67
 
extern int nfs_diskless_valid;
extern struct nfsv3_diskless nfsv3_diskless;
 
/* mountd RPC */
#if !defined(__rtems__)
static int md_mount __P((struct sockaddr_in *mdsin, char *path,
u_char *fhp, int *fhsizep, struct nfs_args *args,struct proc *procp));
static int md_lookup_swap __P((struct sockaddr_in *mdsin,char *path,
u_char *fhp, int *fhsizep,
struct nfs_args *args,
struct proc *procp));
static int setfs __P((struct sockaddr_in *addr, char *path, char *p));
static int getdec __P((char **ptr));
#endif
static char *substr __P((char *a,char *b));
#if !defined(__rtems__)
static void mountopts __P((struct nfs_args *args, char *p));
static int xdr_opaque_decode __P((struct mbuf **ptr,u_char *buf,
int len));
static int xdr_int_decode __P((struct mbuf **ptr,int *iptr));
#endif
static void printip __P((char *prefix,struct in_addr addr));
 
#ifdef BOOTP_DEBUG
void bootpboot_p_sa(struct sockaddr *sa,struct sockaddr *ma);
void bootpboot_p_ma(struct sockaddr *ma);
void bootpboot_p_rtentry(struct rtentry *rt);
void bootpboot_p_tree(struct radix_node *rn);
void bootpboot_p_rtlist(void);
void bootpboot_p_iflist(void);
#endif
 
int bootpc_call(struct bootp_packet *call,
struct bootp_packet *reply,
struct proc *procp);
 
int bootpc_fakeup_interface(struct ifreq *ireq,struct socket *so,
struct proc *procp);
 
int
bootpc_adjust_interface(struct ifreq *ireq,struct socket *so,
struct sockaddr_in *myaddr,
struct sockaddr_in *netmask,
struct sockaddr_in *gw,
struct proc *procp);
 
void bootpc_init(void);
 
#ifdef BOOTP_DEBUG
void bootpboot_p_sa(sa,ma)
struct sockaddr *sa;
struct sockaddr *ma;
{
if (!sa) {
printf("(sockaddr *) <null>");
return;
}
switch (sa->sa_family) {
case AF_INET:
{
struct sockaddr_in *sin = (struct sockaddr_in *) sa;
printf("inet %x",ntohl(sin->sin_addr.s_addr));
if (ma) {
struct sockaddr_in *sin = (struct sockaddr_in *) ma;
printf(" mask %x",ntohl(sin->sin_addr.s_addr));
}
}
break;
case AF_LINK:
{
struct sockaddr_dl *sli = (struct sockaddr_dl *) sa;
int i;
printf("link %.*s ",sli->sdl_nlen,sli->sdl_data);
for (i=0;i<sli->sdl_alen;i++) {
if (i>0)
printf(":");
printf("%x",(unsigned char) sli->sdl_data[i+sli->sdl_nlen]);
}
}
break;
default:
printf("af%d",sa->sa_family);
}
}
 
void bootpboot_p_ma(ma)
struct sockaddr *ma;
{
if (!ma) {
printf("<null>");
return;
}
printf("%x",*(int*)ma);
}
 
void bootpboot_p_rtentry(rt)
struct rtentry *rt;
{
bootpboot_p_sa(rt_key(rt),rt_mask(rt));
printf(" ");
bootpboot_p_ma(rt->rt_genmask);
printf(" ");
bootpboot_p_sa(rt->rt_gateway,NULL);
printf(" ");
printf("flags %x",(unsigned short) rt->rt_flags);
printf(" %d",rt->rt_rmx.rmx_expire);
printf(" %s%d\n",rt->rt_ifp->if_name,rt->rt_ifp->if_unit);
}
void bootpboot_p_tree(rn)
struct radix_node *rn;
{
while (rn) {
if (rn->rn_b < 0) {
if (rn->rn_flags & RNF_ROOT) {
} else {
bootpboot_p_rtentry((struct rtentry *) rn);
}
rn = rn->rn_dupedkey;
} else {
bootpboot_p_tree(rn->rn_l);
bootpboot_p_tree(rn->rn_r);
return;
}
}
}
 
void bootpboot_p_rtlist(void)
{
printf("Routing table:\n");
bootpboot_p_tree(rt_tables[AF_INET]->rnh_treetop);
}
 
void bootpboot_p_iflist(void)
{
struct ifnet *ifp;
struct ifaddr *ifa;
printf("Interface list:\n");
for (ifp = TAILQ_FIRST(&ifnet); ifp != 0; ifp = TAILQ_NEXT(ifp,if_link))
{
for (ifa = TAILQ_FIRST(&ifp->if_addrhead) ;ifa;
ifa=TAILQ_NEXT(ifa,ifa_link))
if (ifa->ifa_addr->sa_family == AF_INET ) {
printf("%s%d flags %x, addr %x, bcast %x, net %x\n",
ifp->if_name,ifp->if_unit,
(unsigned short) ifp->if_flags,
ntohl(((struct sockaddr_in *) ifa->ifa_addr)->sin_addr.s_addr),
ntohl(((struct sockaddr_in *) ifa->ifa_dstaddr)->sin_addr.s_addr),
ntohl(((struct sockaddr_in *) ifa->ifa_netmask)->sin_addr.s_addr)
);
}
}
}
#endif
 
int
bootpc_call(call,reply,procp)
struct bootp_packet *call;
struct bootp_packet *reply; /* output */
struct proc *procp;
{
struct socket *so;
struct sockaddr_in *sin;
struct mbuf *m, *nam;
struct uio auio;
struct iovec aio;
int error, rcvflg, timo, secs, len;
 
/* Free at end if not null. */
nam = NULL;
 
/*
* Create socket and set its recieve timeout.
*/
if ((error = socreate(AF_INET, &so, SOCK_DGRAM, 0,procp)))
goto out;
 
m = m_get(M_WAIT, MT_SOOPTS);
if (m == NULL) {
error = ENOBUFS;
goto out;
} else {
struct timeval *tv;
tv = mtod(m, struct timeval *);
m->m_len = sizeof(*tv);
tv->tv_sec = 1;
tv->tv_usec = 0;
if ((error = sosetopt(so, SOL_SOCKET, SO_RCVTIMEO, m)))
goto out;
}
 
/*
* Enable broadcast.
*/
{
int *on;
m = m_get(M_WAIT, MT_SOOPTS);
if (m == NULL) {
error = ENOBUFS;
goto out;
}
on = mtod(m, int *);
m->m_len = sizeof(*on);
*on = 1;
if ((error = sosetopt(so, SOL_SOCKET, SO_BROADCAST, m)))
goto out;
}
 
/*
* Bind the local endpoint to a bootp client port.
*/
m = m_getclr(M_WAIT, MT_SONAME);
sin = mtod(m, struct sockaddr_in *);
sin->sin_len = m->m_len = sizeof(*sin);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = INADDR_ANY;
sin->sin_port = htons(IPPORT_BOOTPC);
error = sobind(so, m);
m_freem(m);
if (error) {
printf("bind failed\n");
goto out;
}
 
/*
* Setup socket address for the server.
*/
nam = m_get(M_WAIT, MT_SONAME);
if (nam == NULL) {
error = ENOBUFS;
goto out;
}
sin = mtod(nam, struct sockaddr_in *);
sin-> sin_len = sizeof(*sin);
sin-> sin_family = AF_INET;
sin->sin_addr.s_addr = INADDR_BROADCAST;
sin->sin_port = htons(IPPORT_BOOTPS);
 
nam->m_len = sizeof(*sin);
 
/*
* Send it, repeatedly, until a reply is received,
* but delay each re-send by an increasing amount.
* If the delay hits the maximum, start complaining.
*/
timo = 0;
for (;;) {
/* Send BOOTP request (or re-send). */
aio.iov_base = (caddr_t) call;
aio.iov_len = sizeof(*call);
auio.uio_iov = &aio;
auio.uio_iovcnt = 1;
auio.uio_segflg = UIO_SYSSPACE;
auio.uio_rw = UIO_WRITE;
auio.uio_offset = 0;
auio.uio_resid = sizeof(*call);
auio.uio_procp = procp;
 
error = sosend(so, nam, &auio, NULL, NULL, 0);
if (error) {
printf("bootpc_call: sosend: %d\n", error);
goto out;
}
 
/* Determine new timeout. */
if (timo < MAX_RESEND_DELAY)
timo++;
else
printf("BOOTP timeout for server 0x%x\n",
(int)ntohl(sin->sin_addr.s_addr));
 
/*
* Wait for up to timo seconds for a reply.
* The socket receive timeout was set to 1 second.
*/
secs = timo;
while (secs > 0) {
aio.iov_base = (caddr_t) reply;
aio.iov_len = sizeof(*reply);
 
auio.uio_iov = &aio;
auio.uio_iovcnt = 1;
auio.uio_segflg = UIO_SYSSPACE;
auio.uio_rw = UIO_READ;
auio.uio_offset = 0;
auio.uio_resid = sizeof(*reply);
auio.uio_procp = procp;
rcvflg = 0;
error = soreceive(so, NULL, &auio, NULL, NULL, &rcvflg);
if (error == EWOULDBLOCK) {
secs--;
call->secs=htons(ntohs(call->secs)+1);
continue;
}
if (error)
goto out;
len = sizeof(*reply) - auio.uio_resid;
 
/* Do we have the required number of bytes ? */
if (len < BOOTP_MIN_LEN)
continue;
 
/* Is it the right reply? */
if (reply->op != 2)
continue;
 
if (reply->xid != call->xid)
continue;
 
if (reply->hlen != call->hlen)
continue;
 
if (bcmp(reply->chaddr,call->chaddr,call->hlen))
continue;
 
goto gotreply; /* break two levels */
 
} /* while secs */
} /* forever send/receive */
 
error = ETIMEDOUT;
goto out;
 
gotreply:
out:
if (nam) m_freem(nam);
soclose(so);
return error;
}
 
int
bootpc_fakeup_interface(struct ifreq *ireq,struct socket *so,
struct proc *procp)
{
struct sockaddr_in *sin;
int error;
struct sockaddr_in dst;
struct sockaddr_in gw;
struct sockaddr_in mask;
 
/*
* Bring up the interface.
*
* Get the old interface flags and or IFF_UP into them; if
* IFF_UP set blindly, interface selection can be clobbered.
*/
error = ifioctl(so, SIOCGIFFLAGS, (caddr_t)ireq, procp);
if (error)
panic("bootpc_fakeup_interface: GIFFLAGS, error=%d", error);
ireq->ifr_flags |= IFF_UP;
error = ifioctl(so, SIOCSIFFLAGS, (caddr_t)ireq, procp);
if (error)
panic("bootpc_fakeup_interface: SIFFLAGS, error=%d", error);
 
/*
* Do enough of ifconfig(8) so that the chosen interface
* can talk to the servers. (just set the address)
*/
/* addr is 0.0.0.0 */
sin = (struct sockaddr_in *)&ireq->ifr_addr;
bzero((caddr_t)sin, sizeof(*sin));
sin->sin_len = sizeof(*sin);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = INADDR_ANY;
error = ifioctl(so, SIOCSIFADDR, (caddr_t)ireq, procp);
if (error)
panic("bootpc_fakeup_interface: set if addr, error=%d", error);
/* netmask is 0.0.0.0 */
sin = (struct sockaddr_in *)&ireq->ifr_addr;
bzero((caddr_t)sin, sizeof(*sin));
sin->sin_len = sizeof(*sin);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = INADDR_ANY;
error = ifioctl(so, SIOCSIFNETMASK, (caddr_t)ireq, procp);
if (error)
panic("bootpc_fakeup_interface: set if net addr, error=%d", error);
/* Broadcast is 255.255.255.255 */
sin = (struct sockaddr_in *)&ireq->ifr_addr;
bzero((caddr_t)sin, sizeof(*sin));
sin->sin_len = sizeof(*sin);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = INADDR_BROADCAST;
error = ifioctl(so, SIOCSIFBRDADDR, (caddr_t)ireq, procp);
if (error)
panic("bootpc_fakeup_interface: set if broadcast addr, error=%d", error);
/* Add default route to 0.0.0.0 so we can send data */
bzero((caddr_t) &dst, sizeof(dst));
dst.sin_len=sizeof(dst);
dst.sin_family=AF_INET;
dst.sin_addr.s_addr = htonl(0);
bzero((caddr_t) &gw, sizeof(gw));
gw.sin_len=sizeof(gw);
gw.sin_family=AF_INET;
gw.sin_addr.s_addr = htonl(0x0);
bzero((caddr_t) &mask, sizeof(mask));
mask.sin_len=sizeof(mask);
mask.sin_family=AF_INET;
mask.sin_addr.s_addr = htonl(0);
error = rtrequest(RTM_ADD,
(struct sockaddr *) &dst,
(struct sockaddr *) &gw,
(struct sockaddr *) &mask,
RTF_UP | RTF_STATIC
, NULL);
if (error)
printf("bootpc_fakeup_interface: add default route, error=%d\n", error);
return error;
}
 
int
bootpc_adjust_interface(struct ifreq *ireq,struct socket *so,
struct sockaddr_in *myaddr,
struct sockaddr_in *netmask,
struct sockaddr_in *gw,
struct proc *procp)
{
int error;
struct sockaddr_in oldgw;
struct sockaddr_in olddst;
struct sockaddr_in oldmask;
struct sockaddr_in *sin;
 
/* Remove old default route to 0.0.0.0 */
bzero((caddr_t) &olddst, sizeof(olddst));
olddst.sin_len=sizeof(olddst);
olddst.sin_family=AF_INET;
olddst.sin_addr.s_addr = INADDR_ANY;
bzero((caddr_t) &oldgw, sizeof(oldgw));
oldgw.sin_len=sizeof(oldgw);
oldgw.sin_family=AF_INET;
oldgw.sin_addr.s_addr = INADDR_ANY;
bzero((caddr_t) &oldmask, sizeof(oldmask));
oldmask.sin_len=sizeof(oldmask);
oldmask.sin_family=AF_INET;
oldmask.sin_addr.s_addr = INADDR_ANY;
error = rtrequest(RTM_DELETE,
(struct sockaddr *) &olddst,
(struct sockaddr *) &oldgw,
(struct sockaddr *) &oldmask,
(RTF_UP | RTF_STATIC), NULL);
if (error) {
printf("nfs_boot: del default route, error=%d\n", error);
return error;
}
 
/*
* Do enough of ifconfig(8) so that the chosen interface
* can talk to the servers. (just set the address)
*/
bcopy(netmask,&ireq->ifr_addr,sizeof(*netmask));
error = ifioctl(so, SIOCSIFNETMASK, (caddr_t)ireq, procp);
if (error)
panic("nfs_boot: set if netmask, error=%d", error);
 
/* Broadcast is with host part of IP address all 1's */
sin = (struct sockaddr_in *)&ireq->ifr_addr;
bzero((caddr_t)sin, sizeof(*sin));
sin->sin_len = sizeof(*sin);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = myaddr->sin_addr.s_addr | ~ netmask->sin_addr.s_addr;
error = ifioctl(so, SIOCSIFBRDADDR, (caddr_t)ireq, procp);
if (error)
panic("bootpc_call: set if broadcast addr, error=%d", error);
bcopy(myaddr,&ireq->ifr_addr,sizeof(*myaddr));
error = ifioctl(so, SIOCSIFADDR, (caddr_t)ireq, procp);
if (error)
panic("nfs_boot: set if addr, error=%d", error);
 
/* Add new default route */
 
error = rtrequest(RTM_ADD,
(struct sockaddr *) &olddst,
(struct sockaddr *) gw,
(struct sockaddr *) &oldmask,
(RTF_UP | RTF_GATEWAY | RTF_STATIC), NULL);
if (error) {
printf("nfs_boot: add net route, error=%d\n", error);
return error;
}
 
return 0;
}
 
#if !defined(__rtems__)
static int setfs(addr, path, p)
struct sockaddr_in *addr;
char *path;
char *p;
{
unsigned ip = 0;
int val;
 
if (((val = getdec(&p)) < 0) || (val > 255)) return(0);
ip = val << 24;
if (*p != '.') return(0);
p++;
if (((val = getdec(&p)) < 0) || (val > 255)) return(0);
ip |= (val << 16);
if (*p != '.') return(0);
p++;
if (((val = getdec(&p)) < 0) || (val > 255)) return(0);
ip |= (val << 8);
if (*p != '.') return(0);
p++;
if (((val = getdec(&p)) < 0) || (val > 255)) return(0);
ip |= val;
if (*p != ':') return(0);
p++;
 
addr->sin_addr.s_addr = htonl(ip);
addr->sin_len = sizeof(struct sockaddr_in);
addr->sin_family = AF_INET;
 
strncpy(path,p,MNAMELEN-1);
return(1);
}
#endif
 
static int getdec(ptr)
char **ptr;
{
char *p = *ptr;
int ret=0;
if ((*p < '0') || (*p > '9')) return(-1);
while ((*p >= '0') && (*p <= '9')) {
ret = ret*10 + (*p - '0');
p++;
}
*ptr = p;
return(ret);
}
 
static char *substr(a,b)
char *a,*b;
{
char *loc1;
char *loc2;
 
while (*a != '\0') {
loc1 = a;
loc2 = b;
while (*loc1 == *loc2++) {
if (*loc1 == '\0') return (0);
loc1++;
if (*loc2 == '\0') return (loc1);
}
a++;
}
return (0);
}
 
static void printip(char *prefix,struct in_addr addr)
{
unsigned int ip;
 
ip = ntohl(addr.s_addr);
 
printf("%s is %d.%d.%d.%d\n",prefix,
ip >> 24, (ip >> 16) & 255 ,(ip >> 8) & 255 ,ip & 255 );
}
 
static int dhcpOptionOverload = 0;
static char dhcp_gotgw = 0;
static char dhcp_gotnetmask = 0;
static char dhcp_gotserver = 0;
static char dhcp_gotlogserver = 0;
static struct sockaddr_in dhcp_netmask;
static struct sockaddr_in dhcp_gw;
 
static void
processOptions (unsigned char *optbuf, int optbufSize)
{
int j = 0;
int len;
int code, ncode;
char *p;
 
ncode = optbuf[0];
while (j < optbufSize) {
code = optbuf[j] = ncode;
if (code == 255)
return;
if (code == 0) {
j++;
continue;
}
len = optbuf[j+1];
j += 2;
if ((len + j) >= optbufSize) {
printf ("Truncated field for code %d", code);
return;
}
ncode = optbuf[j+len];
optbuf[j+len] = '\0';
p = &optbuf[j];
j += len;
 
/*
* Process the option
*/
switch (code) {
case 1:
/* Subnet mask */
if (len!=4)
panic("bootpc: subnet mask len is %d",len);
bcopy (p, &dhcp_netmask.sin_addr, 4);
dhcp_gotnetmask = 1;
break;
 
case 2:
/* Time offset */
if (len!=4)
panic("bootpc: time offset len is %d",len);
bcopy (p, &rtems_bsdnet_timeoffset, 4);
rtems_bsdnet_timeoffset = ntohl (rtems_bsdnet_timeoffset);
break;
 
case 3:
/* Routers */
if (len % 4)
panic ("bootpc: Router Len is %d", len);
if (len > 0) {
bcopy(p, &dhcp_gw.sin_addr, 4);
dhcp_gotgw = 1;
}
break;
 
case 42:
/* NTP servers */
if (len % 4)
panic ("bootpc: time server Len is %d", len);
{
int tlen = 0;
while ((tlen < len) &&
(rtems_bsdnet_ntpserver_count < sizeof rtems_bsdnet_config.ntp_server /
sizeof rtems_bsdnet_config.ntp_server[0])) {
bcopy (p+tlen,
&rtems_bsdnet_ntpserver[rtems_bsdnet_ntpserver_count],
4);
printip("Time Server",
rtems_bsdnet_ntpserver[rtems_bsdnet_ntpserver_count]);
rtems_bsdnet_ntpserver_count++;
tlen += 4;
}
}
break;
 
case 6:
/* Domain Name servers */
if (len % 4)
panic ("bootpc: DNS Len is %d", len);
{
int dlen = 0;
while ((dlen < len) &&
(rtems_bsdnet_nameserver_count < sizeof rtems_bsdnet_config.name_server /
sizeof rtems_bsdnet_config.name_server[0])) {
bcopy (p+dlen,
&rtems_bsdnet_nameserver[rtems_bsdnet_nameserver_count],
4);
printip("Domain Name Server",
rtems_bsdnet_nameserver[rtems_bsdnet_nameserver_count]);
rtems_bsdnet_nameserver_count++;
dlen += 4;
}
}
break;
 
case 12:
/* Host name */
if (len>=MAXHOSTNAMELEN)
panic ("bootpc: hostname >=%d bytes", MAXHOSTNAMELEN);
if (sethostname (p, len) < 0)
panic("Can't set host name");
printf("Hostname is %s\n", p);
break;
 
case 7:
/* Log servers */
if (len % 4)
panic ("bootpc: Log server Len is %d", len);
if (len > 0) {
bcopy(p, &rtems_bsdnet_log_host_address, 4);
dhcp_gotlogserver = 1;
}
break;
 
case 15:
/* Domain name */
if (p[0]) {
rtems_bsdnet_domain_name = strdup (p);
printf("Domain name is %s\n", rtems_bsdnet_domain_name);
}
break;
 
case 16: /* Swap server IP address. unused */
break;
 
case 52:
/* DHCP option override */
if (len != 1)
panic ("bootpc: DHCP option overload len is %d", len);
dhcpOptionOverload = p[0];
break;
 
case 128: /* Site-specific option for DHCP servers that
* a) don't supply tag 54
* and
* b) don't supply the server address in siaddr
* For example, on Solaris 2.6 in.dhcpd, include in the dhcptab:
* Bootsrv s Site,128,IP,1,1
* and use that symbol in the macro that defines the client:
* Bootsrv=<tftp-server-ip-address>
*/
case 54:
/* DHCP server */
if (len != 4)
panic ("bootpc: DHCP server len is %d", len);
bcopy(p, &rtems_bsdnet_bootp_server_address, 4);
dhcp_gotserver = 1;
break;
 
case 66:
/* DHCP server name option */
if (p[0])
rtems_bsdnet_bootp_server_name = strdup (p);
break;
 
case 67:
/* DHCP bootfile option */
if (p[0])
rtems_bsdnet_bootp_boot_file_name = strdup (p);
break;
 
default:
printf ("Ignoring BOOTP/DHCP option code %d\n", code);
break;
}
}
}
 
#define EALEN 6
 
void
bootpc_init(void)
{
struct bootp_packet call;
struct bootp_packet reply;
static u_int32_t xid = ~0xFF;
struct ifreq ireq;
struct ifnet *ifp;
struct socket *so;
int j;
int error;
struct sockaddr_in myaddr;
struct ifaddr *ifa;
struct sockaddr_dl *sdl = NULL;
char *delim;
struct proc *procp = NULL;
 
/*
* If already filled in, don't touch it here
*/
if (nfs_diskless_valid)
return;
 
/*
* Find a network interface.
*/
for (ifp = ifnet; ifp != 0; ifp = ifp->if_next)
if ((ifp->if_flags &
(IFF_LOOPBACK|IFF_POINTOPOINT)) == 0)
break;
if (ifp == NULL)
panic("bootpc_init: no suitable interface");
bzero(&ireq,sizeof(ireq));
sprintf(ireq.ifr_name, "%s%d", ifp->if_name,ifp->if_unit);
printf("bootpc_init: using network interface '%s'\n",
ireq.ifr_name);
 
if ((error = socreate(AF_INET, &so, SOCK_DGRAM, 0,procp)) != 0)
panic("nfs_boot: socreate, error=%d", error);
bootpc_fakeup_interface(&ireq,so,procp);
 
printf("Bootpc testing starting\n");
/* Get HW address */
 
for (ifa = ifp->if_addrlist;ifa; ifa = ifa->ifa_next)
if (ifa->ifa_addr->sa_family == AF_LINK &&
(sdl = ((struct sockaddr_dl *) ifa->ifa_addr)) &&
sdl->sdl_type == IFT_ETHER)
break;
if (!sdl)
panic("bootpc: Unable to find HW address");
if (sdl->sdl_alen != EALEN )
panic("bootpc: HW address len is %d, expected value is %d",
sdl->sdl_alen,EALEN);
 
printf("bootpc hw address is ");
delim="";
for (j=0;j<sdl->sdl_alen;j++) {
printf("%s%x",delim,((unsigned char *)LLADDR(sdl))[j]);
delim=":";
}
printf("\n");
 
#if 0
bootpboot_p_iflist();
bootpboot_p_rtlist();
#endif
bzero((caddr_t) &call, sizeof(call));
 
/* bootpc part */
call.op = 1; /* BOOTREQUEST */
call.htype= 1; /* 10mb ethernet */
call.hlen=sdl->sdl_alen; /* Hardware address length */
call.hops=0;
xid++;
call.xid = txdr_unsigned(xid);
bcopy(LLADDR(sdl),&call.chaddr,sdl->sdl_alen);
call.vend[0]=99;
call.vend[1]=130;
call.vend[2]=83;
call.vend[3]=99;
call.vend[4]=255;
call.secs = 0;
call.flags = htons(0x8000); /* We need an broadcast answer */
error = bootpc_call(&call,&reply,procp);
if (error)
panic("BOOTP call failed -- error %d", error);
/*
* Initialize network address structures
*/
bzero(&myaddr,sizeof(myaddr));
bzero(&dhcp_netmask,sizeof(dhcp_netmask));
bzero(&dhcp_gw,sizeof(dhcp_gw));
myaddr.sin_len = sizeof(myaddr);
myaddr.sin_family = AF_INET;
dhcp_netmask.sin_len = sizeof(dhcp_netmask);
dhcp_netmask.sin_family = AF_INET;
dhcp_gw.sin_len = sizeof(dhcp_gw);
dhcp_gw.sin_family= AF_INET;
 
/*
* Set our address
*/
myaddr.sin_addr = reply.yiaddr;
printip("My ip address",myaddr.sin_addr);
 
/*
* Process BOOTP/DHCP options
*/
if (reply.vend[0]==99 && reply.vend[1]==130 &&
reply.vend[2]==83 && reply.vend[3]==99) {
processOptions (&reply.vend[4], sizeof(reply.vend) - 4);
}
if (dhcpOptionOverload & 1) {
processOptions (reply.file, sizeof reply.file);
}
else {
if (reply.file[0])
rtems_bsdnet_bootp_boot_file_name = strdup (reply.file);
}
if (dhcpOptionOverload & 2) {
processOptions (reply.sname, sizeof reply.sname);
}
else {
if (reply.sname[0])
rtems_bsdnet_bootp_server_name = strdup (reply.sname);
}
if (rtems_bsdnet_bootp_server_name)
printf ("Server name is %s\n", rtems_bsdnet_bootp_server_name);
if (rtems_bsdnet_bootp_boot_file_name)
printf ("Boot file is %s\n", rtems_bsdnet_bootp_boot_file_name);
 
/*
* Use defaults if values were not supplied by BOOTP/DHCP options
*/
if (!dhcp_gotnetmask) {
if (IN_CLASSA(ntohl(myaddr.sin_addr.s_addr)))
dhcp_netmask.sin_addr.s_addr = htonl(IN_CLASSA_NET);
else if (IN_CLASSB(ntohl(myaddr.sin_addr.s_addr)))
dhcp_netmask.sin_addr.s_addr = htonl(IN_CLASSB_NET);
else
dhcp_netmask.sin_addr.s_addr = htonl(IN_CLASSC_NET);
}
printip ("Subnet mask", dhcp_netmask.sin_addr);
if (!dhcp_gotserver)
rtems_bsdnet_bootp_server_address = reply.siaddr;
printip ("Server ip address" ,rtems_bsdnet_bootp_server_address);
if (!dhcp_gotgw)
dhcp_gw.sin_addr = reply.giaddr;
printip ("Gateway ip address", dhcp_gw.sin_addr);
if (!dhcp_gotlogserver)
rtems_bsdnet_log_host_address = rtems_bsdnet_bootp_server_address;
printip ("Log server ip address", rtems_bsdnet_log_host_address);
/*
* Configure the interface with the new settings
*/
error = bootpc_adjust_interface(&ireq,so,
&myaddr,&dhcp_netmask,&dhcp_gw,procp);
soclose(so);
}
/xdr_subs.h
0,0 → 1,90
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Rick Macklem at The University of Guelph.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)xdr_subs.h 8.1 (Berkeley) 6/10/93
* $Id: xdr_subs.h,v 1.2 2001-09-27 12:01:56 chris Exp $
*/
 
#ifndef _NFS_XDR_SUBS_H_
#define _NFS_XDR_SUBS_H_
 
/*
* Macros used for conversion to/from xdr representation by nfs...
* These use the MACHINE DEPENDENT routines ntohl, htonl
* As defined by "XDR: External Data Representation Standard" RFC1014
*
* To simplify the implementation, we use ntohl/htonl even on big-endian
* machines, and count on them being `#define'd away. Some of these
* might be slightly more efficient as quad_t copies on a big-endian,
* but we cannot count on their alignment anyway.
*/
 
#define fxdr_unsigned(t, v) ((t)ntohl((long)(v)))
#define txdr_unsigned(v) (htonl((long)(v)))
 
#define fxdr_nfsv2time(f, t) { \
(t)->tv_sec = ntohl(((struct nfsv2_time *)(f))->nfsv2_sec); \
if (((struct nfsv2_time *)(f))->nfsv2_usec != 0xffffffff) \
(t)->tv_nsec = 1000 * ntohl(((struct nfsv2_time *)(f))->nfsv2_usec); \
else \
(t)->tv_nsec = 0; \
}
#define txdr_nfsv2time(f, t) { \
((struct nfsv2_time *)(t))->nfsv2_sec = htonl((f)->tv_sec); \
if ((f)->tv_nsec != -1) \
((struct nfsv2_time *)(t))->nfsv2_usec = htonl((f)->tv_nsec / 1000); \
else \
((struct nfsv2_time *)(t))->nfsv2_usec = 0xffffffff; \
}
 
#define fxdr_nfsv3time(f, t) { \
(t)->tv_sec = ntohl(((struct nfsv3_time *)(f))->nfsv3_sec); \
(t)->tv_nsec = ntohl(((struct nfsv3_time *)(f))->nfsv3_nsec); \
}
#define txdr_nfsv3time(f, t) { \
((struct nfsv3_time *)(t))->nfsv3_sec = htonl((f)->tv_sec); \
((struct nfsv3_time *)(t))->nfsv3_nsec = htonl((f)->tv_nsec); \
}
 
#define fxdr_hyper(f, t) { \
((long *)(t))[_QUAD_HIGHWORD] = ntohl(((long *)(f))[0]); \
((long *)(t))[_QUAD_LOWWORD] = ntohl(((long *)(f))[1]); \
}
#define txdr_hyper(f, t) { \
((long *)(t))[0] = htonl(((long *)(f))[_QUAD_HIGHWORD]); \
((long *)(t))[1] = htonl(((long *)(f))[_QUAD_LOWWORD]); \
}
 
#endif
/nfsproto.h
0,0 → 1,441
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Rick Macklem at The University of Guelph.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)nfsproto.h 8.1 (Berkeley) 6/10/93
* $Id: nfsproto.h,v 1.2 2001-09-27 12:01:56 chris Exp $
*/
 
#ifndef _NFS_NFSPROTO_H_
#define _NFS_NFSPROTO_H_
 
/*
* nfs definitions as per the Version 2 and 3 specs
*/
 
/*
* Constants as defined in the Sun NFS Version 2 and 3 specs.
* "NFS: Network File System Protocol Specification" RFC1094
* and in the "NFS: Network File System Version 3 Protocol
* Specification"
*/
 
#define NFS_PORT 2049
#define NFS_PROG 100003
#define NFS_VER2 2
#define NFS_VER3 3
#define NFS_V2MAXDATA 8192
#define NFS_MAXDGRAMDATA 16384
#define NFS_MAXDATA 32768
#define NFS_MAXPATHLEN 1024
#define NFS_MAXNAMLEN 255
#define NFS_MAXPKTHDR 404
#define NFS_MAXPACKET (NFS_MAXPKTHDR + NFS_MAXDATA)
#define NFS_MINPACKET 20
#define NFS_FABLKSIZE 512 /* Size in bytes of a block wrt fa_blocks */
 
/* Stat numbers for rpc returns (version 2 and 3) */
#define NFS_OK 0
#define NFSERR_PERM 1
#define NFSERR_NOENT 2
#define NFSERR_IO 5
#define NFSERR_NXIO 6
#define NFSERR_ACCES 13
#define NFSERR_EXIST 17
#define NFSERR_XDEV 18 /* Version 3 only */
#define NFSERR_NODEV 19
#define NFSERR_NOTDIR 20
#define NFSERR_ISDIR 21
#define NFSERR_INVAL 22 /* Version 3 only */
#define NFSERR_FBIG 27
#define NFSERR_NOSPC 28
#define NFSERR_ROFS 30
#define NFSERR_MLINK 31 /* Version 3 only */
#define NFSERR_NAMETOL 63
#define NFSERR_NOTEMPTY 66
#define NFSERR_DQUOT 69
#define NFSERR_STALE 70
#define NFSERR_REMOTE 71 /* Version 3 only */
#define NFSERR_WFLUSH 99 /* Version 2 only */
#define NFSERR_BADHANDLE 10001 /* The rest Version 3 only */
#define NFSERR_NOT_SYNC 10002
#define NFSERR_BAD_COOKIE 10003
#define NFSERR_NOTSUPP 10004
#define NFSERR_TOOSMALL 10005
#define NFSERR_SERVERFAULT 10006
#define NFSERR_BADTYPE 10007
#define NFSERR_JUKEBOX 10008
#define NFSERR_TRYLATER NFSERR_JUKEBOX
#define NFSERR_STALEWRITEVERF 30001 /* Fake return for nfs_commit() */
 
#define NFSERR_RETVOID 0x20000000 /* Return void, not error */
#define NFSERR_AUTHERR 0x40000000 /* Mark an authentication error */
#define NFSERR_RETERR 0x80000000 /* Mark an error return for V3 */
 
/* Sizes in bytes of various nfs rpc components */
#define NFSX_UNSIGNED 4
 
/* specific to NFS Version 2 */
#define NFSX_V2FH 32
#define NFSX_V2FATTR 68
#define NFSX_V2SATTR 32
#define NFSX_V2COOKIE 4
#define NFSX_V2STATFS 20
 
/* specific to NFS Version 3 */
#define NFSX_V3FH (sizeof (fhandle_t)) /* size this server uses */
#define NFSX_V3FHMAX 64 /* max. allowed by protocol */
#define NFSX_V3FATTR 84
#define NFSX_V3SATTR 60 /* max. all fields filled in */
#define NFSX_V3SRVSATTR (sizeof (struct nfsv3_sattr))
#define NFSX_V3POSTOPATTR (NFSX_V3FATTR + NFSX_UNSIGNED)
#define NFSX_V3WCCDATA (NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
#define NFSX_V3COOKIEVERF 8
#define NFSX_V3WRITEVERF 8
#define NFSX_V3CREATEVERF 8
#define NFSX_V3STATFS 52
#define NFSX_V3FSINFO 48
#define NFSX_V3PATHCONF 24
 
/* variants for both versions */
#define NFSX_FH(v3) ((v3) ? (NFSX_V3FHMAX + NFSX_UNSIGNED) : \
NFSX_V2FH)
#define NFSX_SRVFH(v3) ((v3) ? NFSX_V3FH : NFSX_V2FH)
#define NFSX_FATTR(v3) ((v3) ? NFSX_V3FATTR : NFSX_V2FATTR)
#define NFSX_PREOPATTR(v3) ((v3) ? (7 * NFSX_UNSIGNED) : 0)
#define NFSX_POSTOPATTR(v3) ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : 0)
#define NFSX_POSTOPORFATTR(v3) ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : \
NFSX_V2FATTR)
#define NFSX_WCCDATA(v3) ((v3) ? NFSX_V3WCCDATA : 0)
#define NFSX_WCCORFATTR(v3) ((v3) ? NFSX_V3WCCDATA : NFSX_V2FATTR)
#define NFSX_SATTR(v3) ((v3) ? NFSX_V3SATTR : NFSX_V2SATTR)
#define NFSX_COOKIEVERF(v3) ((v3) ? NFSX_V3COOKIEVERF : 0)
#define NFSX_WRITEVERF(v3) ((v3) ? NFSX_V3WRITEVERF : 0)
#define NFSX_READDIR(v3) ((v3) ? (5 * NFSX_UNSIGNED) : \
(2 * NFSX_UNSIGNED))
#define NFSX_STATFS(v3) ((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)
 
/* nfs rpc procedure numbers (before version mapping) */
#define NFSPROC_NULL 0
#define NFSPROC_GETATTR 1
#define NFSPROC_SETATTR 2
#define NFSPROC_LOOKUP 3
#define NFSPROC_ACCESS 4
#define NFSPROC_READLINK 5
#define NFSPROC_READ 6
#define NFSPROC_WRITE 7
#define NFSPROC_CREATE 8
#define NFSPROC_MKDIR 9
#define NFSPROC_SYMLINK 10
#define NFSPROC_MKNOD 11
#define NFSPROC_REMOVE 12
#define NFSPROC_RMDIR 13
#define NFSPROC_RENAME 14
#define NFSPROC_LINK 15
#define NFSPROC_READDIR 16
#define NFSPROC_READDIRPLUS 17
#define NFSPROC_FSSTAT 18
#define NFSPROC_FSINFO 19
#define NFSPROC_PATHCONF 20
#define NFSPROC_COMMIT 21
 
/* And leasing (nqnfs) procedure numbers (must be last) */
#define NQNFSPROC_GETLEASE 22
#define NQNFSPROC_VACATED 23
#define NQNFSPROC_EVICTED 24
 
#define NFSPROC_NOOP 25
#define NFS_NPROCS 26
 
/* Actual Version 2 procedure numbers */
#define NFSV2PROC_NULL 0
#define NFSV2PROC_GETATTR 1
#define NFSV2PROC_SETATTR 2
#define NFSV2PROC_NOOP 3
#define NFSV2PROC_ROOT NFSV2PROC_NOOP /* Obsolete */
#define NFSV2PROC_LOOKUP 4
#define NFSV2PROC_READLINK 5
#define NFSV2PROC_READ 6
#define NFSV2PROC_WRITECACHE NFSV2PROC_NOOP /* Obsolete */
#define NFSV2PROC_WRITE 8
#define NFSV2PROC_CREATE 9
#define NFSV2PROC_REMOVE 10
#define NFSV2PROC_RENAME 11
#define NFSV2PROC_LINK 12
#define NFSV2PROC_SYMLINK 13
#define NFSV2PROC_MKDIR 14
#define NFSV2PROC_RMDIR 15
#define NFSV2PROC_READDIR 16
#define NFSV2PROC_STATFS 17
 
/*
* Constants used by the Version 3 protocol for various RPCs
*/
#define NFSV3SATTRTIME_DONTCHANGE 0
#define NFSV3SATTRTIME_TOSERVER 1
#define NFSV3SATTRTIME_TOCLIENT 2
 
#define NFSV3ACCESS_READ 0x01
#define NFSV3ACCESS_LOOKUP 0x02
#define NFSV3ACCESS_MODIFY 0x04
#define NFSV3ACCESS_EXTEND 0x08
#define NFSV3ACCESS_DELETE 0x10
#define NFSV3ACCESS_EXECUTE 0x20
 
#define NFSV3WRITE_UNSTABLE 0
#define NFSV3WRITE_DATASYNC 1
#define NFSV3WRITE_FILESYNC 2
 
#define NFSV3CREATE_UNCHECKED 0
#define NFSV3CREATE_GUARDED 1
#define NFSV3CREATE_EXCLUSIVE 2
 
#define NFSV3FSINFO_LINK 0x01
#define NFSV3FSINFO_SYMLINK 0x02
#define NFSV3FSINFO_HOMOGENEOUS 0x08
#define NFSV3FSINFO_CANSETTIME 0x10
 
/* Conversion macros */
#define vtonfsv2_mode(t,m) \
txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \
MAKEIMODE((t), (m)))
#define vtonfsv3_mode(m) txdr_unsigned((m) & 07777)
#define nfstov_mode(a) (fxdr_unsigned(u_short, (a))&07777)
#define vtonfsv2_type(a) txdr_unsigned(nfsv2_type[((long)(a))])
#define vtonfsv3_type(a) txdr_unsigned(nfsv3_type[((long)(a))])
#define nfsv2tov_type(a) nv2tov_type[fxdr_unsigned(u_long,(a))&0x7]
#define nfsv3tov_type(a) nv3tov_type[fxdr_unsigned(u_long,(a))&0x7]
 
/* File types */
typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5,
NFSOCK=6, NFFIFO=7 } nfstype;
 
/* Structs for common parts of the rpc's */
/*
* File Handle (32 bytes for version 2), variable up to 64 for version 3.
* File Handles of up to NFS_SMALLFH in size are stored directly in the
* nfs node, whereas larger ones are malloc'd. (This never happens when
* NFS_SMALLFH is set to 64.)
* NFS_SMALLFH should be in the range of 32 to 64 and be divisible by 4.
*/
#ifndef NFS_SMALLFH
#define NFS_SMALLFH 64
#endif
union nfsfh {
fhandle_t fh_generic;
u_char fh_bytes[NFS_SMALLFH];
};
typedef union nfsfh nfsfh_t;
 
struct nfsv2_time {
u_long nfsv2_sec;
u_long nfsv2_usec;
};
typedef struct nfsv2_time nfstime2;
 
struct nfsv3_time {
u_long nfsv3_sec;
u_long nfsv3_nsec;
};
typedef struct nfsv3_time nfstime3;
 
/*
* Quads are defined as arrays of 2 longs to ensure dense packing for the
* protocol and to facilitate xdr conversion.
*/
struct nfs_uquad {
u_long nfsuquad[2];
};
typedef struct nfs_uquad nfsuint64;
 
/*
* Used to convert between two u_longs and a u_quad_t.
*/
union nfs_quadconvert {
u_long lval[2];
u_quad_t qval;
};
typedef union nfs_quadconvert nfsquad_t;
 
/*
* NFS Version 3 special file number.
*/
struct nfsv3_spec {
u_long specdata1;
u_long specdata2;
};
typedef struct nfsv3_spec nfsv3spec;
 
/*
* File attributes and setable attributes. These structures cover both
* NFS version 2 and the version 3 protocol. Note that the union is only
* used so that one pointer can refer to both variants. These structures
* go out on the wire and must be densely packed, so no quad data types
* are used. (all fields are longs or u_longs or structures of same)
* NB: You can't do sizeof(struct nfs_fattr), you must use the
* NFSX_FATTR(v3) macro.
*/
struct nfs_fattr {
u_long fa_type;
u_long fa_mode;
u_long fa_nlink;
u_long fa_uid;
u_long fa_gid;
union {
struct {
u_long nfsv2fa_size;
u_long nfsv2fa_blocksize;
u_long nfsv2fa_rdev;
u_long nfsv2fa_blocks;
u_long nfsv2fa_fsid;
u_long nfsv2fa_fileid;
nfstime2 nfsv2fa_atime;
nfstime2 nfsv2fa_mtime;
nfstime2 nfsv2fa_ctime;
} fa_nfsv2;
struct {
nfsuint64 nfsv3fa_size;
nfsuint64 nfsv3fa_used;
nfsv3spec nfsv3fa_rdev;
nfsuint64 nfsv3fa_fsid;
nfsuint64 nfsv3fa_fileid;
nfstime3 nfsv3fa_atime;
nfstime3 nfsv3fa_mtime;
nfstime3 nfsv3fa_ctime;
} fa_nfsv3;
} fa_un;
};
 
/* and some ugly defines for accessing union components */
#define fa2_size fa_un.fa_nfsv2.nfsv2fa_size
#define fa2_blocksize fa_un.fa_nfsv2.nfsv2fa_blocksize
#define fa2_rdev fa_un.fa_nfsv2.nfsv2fa_rdev
#define fa2_blocks fa_un.fa_nfsv2.nfsv2fa_blocks
#define fa2_fsid fa_un.fa_nfsv2.nfsv2fa_fsid
#define fa2_fileid fa_un.fa_nfsv2.nfsv2fa_fileid
#define fa2_atime fa_un.fa_nfsv2.nfsv2fa_atime
#define fa2_mtime fa_un.fa_nfsv2.nfsv2fa_mtime
#define fa2_ctime fa_un.fa_nfsv2.nfsv2fa_ctime
#define fa3_size fa_un.fa_nfsv3.nfsv3fa_size
#define fa3_used fa_un.fa_nfsv3.nfsv3fa_used
#define fa3_rdev fa_un.fa_nfsv3.nfsv3fa_rdev
#define fa3_fsid fa_un.fa_nfsv3.nfsv3fa_fsid
#define fa3_fileid fa_un.fa_nfsv3.nfsv3fa_fileid
#define fa3_atime fa_un.fa_nfsv3.nfsv3fa_atime
#define fa3_mtime fa_un.fa_nfsv3.nfsv3fa_mtime
#define fa3_ctime fa_un.fa_nfsv3.nfsv3fa_ctime
 
struct nfsv2_sattr {
u_long sa_mode;
u_long sa_uid;
u_long sa_gid;
u_long sa_size;
nfstime2 sa_atime;
nfstime2 sa_mtime;
};
 
/*
* NFS Version 3 sattr structure for the new node creation case.
*/
struct nfsv3_sattr {
u_long sa_modetrue;
u_long sa_mode;
u_long sa_uidtrue;
u_long sa_uid;
u_long sa_gidtrue;
u_long sa_gid;
u_long sa_sizefalse;
u_long sa_atimetype;
nfstime3 sa_atime;
u_long sa_mtimetype;
nfstime3 sa_mtime;
};
 
struct nfs_statfs {
union {
struct {
u_long nfsv2sf_tsize;
u_long nfsv2sf_bsize;
u_long nfsv2sf_blocks;
u_long nfsv2sf_bfree;
u_long nfsv2sf_bavail;
} sf_nfsv2;
struct {
nfsuint64 nfsv3sf_tbytes;
nfsuint64 nfsv3sf_fbytes;
nfsuint64 nfsv3sf_abytes;
nfsuint64 nfsv3sf_tfiles;
nfsuint64 nfsv3sf_ffiles;
nfsuint64 nfsv3sf_afiles;
u_long nfsv3sf_invarsec;
} sf_nfsv3;
} sf_un;
};
 
#define sf_tsize sf_un.sf_nfsv2.nfsv2sf_tsize
#define sf_bsize sf_un.sf_nfsv2.nfsv2sf_bsize
#define sf_blocks sf_un.sf_nfsv2.nfsv2sf_blocks
#define sf_bfree sf_un.sf_nfsv2.nfsv2sf_bfree
#define sf_bavail sf_un.sf_nfsv2.nfsv2sf_bavail
#define sf_tbytes sf_un.sf_nfsv3.nfsv3sf_tbytes
#define sf_fbytes sf_un.sf_nfsv3.nfsv3sf_fbytes
#define sf_abytes sf_un.sf_nfsv3.nfsv3sf_abytes
#define sf_tfiles sf_un.sf_nfsv3.nfsv3sf_tfiles
#define sf_ffiles sf_un.sf_nfsv3.nfsv3sf_ffiles
#define sf_afiles sf_un.sf_nfsv3.nfsv3sf_afiles
#define sf_invarsec sf_un.sf_nfsv3.nfsv3sf_invarsec
 
struct nfsv3_fsinfo {
u_long fs_rtmax;
u_long fs_rtpref;
u_long fs_rtmult;
u_long fs_wtmax;
u_long fs_wtpref;
u_long fs_wtmult;
u_long fs_dtpref;
nfsuint64 fs_maxfilesize;
nfstime3 fs_timedelta;
u_long fs_properties;
};
 
struct nfsv3_pathconf {
u_long pc_linkmax;
u_long pc_namemax;
u_long pc_notrunc;
u_long pc_chownrestricted;
u_long pc_caseinsensitive;
u_long pc_casepreserving;
};
 
#endif
/rpcv2.h
0,0 → 1,142
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Rick Macklem at The University of Guelph.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)rpcv2.h 8.1 (Berkeley) 6/10/93
* $Id: rpcv2.h,v 1.2 2001-09-27 12:01:56 chris Exp $
*/
 
#ifndef _NFS_RPCV2_H_
#define _NFS_RPCV2_H_
 
/*
* Definitions for Sun RPC Version 2, from
* "RPC: Remote Procedure Call Protocol Specification" RFC1057
*/
 
/* Version # */
#define RPC_VER2 2
 
/* Authentication */
#define RPCAUTH_NULL 0
#define RPCAUTH_UNIX 1
#define RPCAUTH_SHORT 2
#define RPCAUTH_KERB4 4
#define RPCAUTH_NQNFS 300000
#define RPCAUTH_MAXSIZ 400
#define RPCVERF_MAXSIZ 12 /* For Kerb, can actually be 400 */
#define RPCAUTH_UNIXGIDS 16
 
/*
* Constants associated with authentication flavours.
*/
#define RPCAKN_FULLNAME 0
#define RPCAKN_NICKNAME 1
 
/* Rpc Constants */
#define RPC_CALL 0
#define RPC_REPLY 1
#define RPC_MSGACCEPTED 0
#define RPC_MSGDENIED 1
#define RPC_PROGUNAVAIL 1
#define RPC_PROGMISMATCH 2
#define RPC_PROCUNAVAIL 3
#define RPC_GARBAGE 4 /* I like this one */
#define RPC_MISMATCH 0
#define RPC_AUTHERR 1
 
/* Authentication failures */
#define AUTH_BADCRED 1
#define AUTH_REJECTCRED 2
#define AUTH_BADVERF 3
#define AUTH_REJECTVERF 4
#define AUTH_TOOWEAK 5 /* Give em wheaties */
 
/* Sizes of rpc header parts */
#define RPC_SIZ 24
#define RPC_REPLYSIZ 28
 
/* RPC Prog definitions */
#define RPCPROG_MNT 100005
#define RPCMNT_VER1 1
#define RPCMNT_VER3 3
#define RPCMNT_MOUNT 1
#define RPCMNT_DUMP 2
#define RPCMNT_UMOUNT 3
#define RPCMNT_UMNTALL 4
#define RPCMNT_EXPORT 5
#define RPCMNT_NAMELEN 255
#define RPCMNT_PATHLEN 1024
#define RPCPROG_NFS 100003
 
/*
* Structures used for RPCAUTH_KERB4.
*/
struct nfsrpc_fullverf {
u_long t1;
u_long t2;
u_long w2;
};
 
struct nfsrpc_fullblock {
u_long t1;
u_long t2;
u_long w1;
u_long w2;
};
 
struct nfsrpc_nickverf {
u_long kind;
struct nfsrpc_fullverf verf;
};
 
/*
* and their sizes in bytes.. If sizeof (struct nfsrpc_xx) != these
* constants, well then things will break in mount_nfs and nfsd.
*/
#define RPCX_FULLVERF 12
#define RPCX_FULLBLOCK 16
#define RPCX_NICKVERF 16
 
#ifdef NFSKERB
XXX
#else
typedef u_char NFSKERBKEY_T[2];
typedef u_char NFSKERBKEYSCHED_T[2];
#endif
#define NFS_KERBSRV "rcmd" /* Kerberos Service for NFS */
#define NFS_KERBTTL (30 * 60) /* Credential ttl (sec) */
#define NFS_KERBCLOCKSKEW (5 * 60) /* Clock skew (sec) */
#define NFS_KERBW1(t) (*((u_long *)(&((t).dat[((t).length + 3) & ~0x3]))))
#endif
/krpc.h
0,0 → 1,26
/* $NetBSD: krpc.h,v 1.4 1995/12/19 23:07:11 cgd Exp $ */
/* $Id: krpc.h,v 1.2 2001-09-27 12:01:56 chris Exp $ */
 
#include <sys/cdefs.h>
 
int krpc_call __P((struct sockaddr_in *sin,
u_int prog, u_int vers, u_int func,
struct mbuf **data, struct mbuf **from, struct proc *procp));
 
int krpc_portmap __P((struct sockaddr_in *sin,
u_int prog, u_int vers, u_int16_t *portp, struct proc *procp));
 
struct mbuf *xdr_string_encode __P((char *str, int len));
 
/*
* RPC definitions for the portmapper
*/
#define PMAPPORT 111
#define PMAPPROG 100000
#define PMAPVERS 2
#define PMAPPROC_NULL 0
#define PMAPPROC_SET 1
#define PMAPPROC_UNSET 2
#define PMAPPROC_GETPORT 3
#define PMAPPROC_DUMP 4
#define PMAPPROC_CALLIT 5
/Makefile.am
0,0 → 1,47
##
## $Id: Makefile.am,v 1.2 2001-09-27 12:01:56 chris Exp $
##
 
AUTOMAKE_OPTIONS = foreign 1.4
 
LIBNAME = lib.a
LIB = $(ARCH)/$(LIBNAME)
 
C_FILES = bootp_subr.c
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
 
OBJS = $(C_O_FILES)
 
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(top_srcdir)/../../../automake/lib.am
 
#
# Add local stuff here using +=
#
 
AM_CPPFLAGS += -D_COMPILING_BSD_KERNEL_ -DKERNEL -DINET -DNFS -DDIAGNOSTIC \
-DBOOTP_COMPAT
 
$(LIB): $(OBJS)
$(make-library)
 
all-local: $(PREINSTALL_FILES) $(ARCH) $(OBJS) $(LIB)
 
.PRECIOUS: $(LIB)
 
EXTRA_DIST = bootp_subr.c
 
H_FILES = krpc.h nfs.h nfsdiskless.h nfsproto.h rpcv2.h xdr_subs.h
 
noinst_HEADERS = $(H_FILES)
 
PREINSTALL_FILES += $(PROJECT_INCLUDE)/nfs $(H_FILES:%=$(PROJECT_INCLUDE)/nfs/%)
 
$(PROJECT_INCLUDE)/nfs:
@$(mkinstalldirs) $@
 
$(PROJECT_INCLUDE)/nfs/%.h: %.h
$(INSTALL_DATA) $< $@
 
 
include $(top_srcdir)/../../../automake/local.am
/nfs.h
0,0 → 1,620
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Rick Macklem at The University of Guelph.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)nfs.h 8.1 (Berkeley) 6/10/93
* $Id: nfs.h,v 1.2 2001-09-27 12:01:56 chris Exp $
*/
 
#ifndef _NFS_NFS_H_
#define _NFS_NFS_H_
 
#include <nfs/rpcv2.h>
 
/*
* Tunable constants for nfs
*/
 
#define NFS_MAXIOVEC 34
#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
#define NFS_MAXREXMIT 100 /* Stop counting after this many */
#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
#define NFS_MAXGRPS 16 /* Max. size of groups list */
#ifndef NFS_MINATTRTIMO
#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
#endif
#ifndef NFS_MAXATTRTIMO
#define NFS_MAXATTRTIMO 60
#endif
#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
#define NFS_READDIRSIZE 8192 /* Def. readdir size */
#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */
#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
#ifndef NFS_GATHERDELAY
#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */
#endif
#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
 
/*
* Oddballs
*/
#define NMOD(a) ((a) % nfs_asyncdaemons)
#define NFS_CMPFH(n, f, s) \
((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
#define NFS_SRVMAXDATA(n) \
(((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
 
/*
* XXX
* sys/buf.h should be edited to change B_APPENDWRITE --> B_NEEDCOMMIT, but
* until then...
* Same goes for sys/malloc.h, which needs M_NFSDIROFF,
* M_NFSRVDESC and M_NFSBIGFH added.
* The VA_EXCLUSIVE flag should be added for va_vaflags and set for an
* exclusive create.
* The B_INVAFTERWRITE flag should be set to whatever is required by the
* buffer cache code to say "Invalidate the block after it is written back".
*/
#ifndef B_NEEDCOMMIT
#define B_NEEDCOMMIT B_APPENDWRITE
#endif
#ifndef M_NFSRVDESC
#define M_NFSRVDESC M_TEMP
#endif
#ifndef M_NFSDIROFF
#define M_NFSDIROFF M_TEMP
#endif
#ifndef M_NFSBIGFH
#define M_NFSBIGFH M_TEMP
#endif
#ifndef VA_EXCLUSIVE
#define VA_EXCLUSIVE 0
#endif
#ifdef __FreeBSD__
#define B_INVAFTERWRITE B_NOCACHE
#else
#define B_INVAFTERWRITE B_INVAL
#endif
 
/*
* These ifdefs try to handle the differences between the various 4.4BSD-Lite
* based vfs interfaces.
* btw: NetBSD-current does have a VOP_LEASDE(), but I don't know how to
* differentiate between NetBSD-1.0 and NetBSD-current, so..
* I also don't know about BSDi's 2.0 release.
*/
#if !defined(HAS_VOPLEASE) && !defined(__FreeBSD__) && !defined(__NetBSD__)
#define HAS_VOPLEASE 1
#endif
#if !defined(HAS_VOPREVOKE) && !defined(__FreeBSD__) && !defined(__NetBSD__)
#define HAS_VOPREVOKE 1
#endif
 
/*
* The IO_METASYNC flag should be implemented for local file systems.
* (Until then, it is nothin at all.)
*/
#ifndef IO_METASYNC
#define IO_METASYNC 0
#endif
 
/*
* Set the attribute timeout based on how recently the file has been modified.
*/
#define NFS_ATTRTIMEO(np) \
((((np)->n_flag & NMODIFIED) || \
(time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \
((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \
(time.tv_sec - (np)->n_mtime) / 10))
 
/*
* Expected allocation sizes for major data structures. If the actual size
* of the structure exceeds these sizes, then malloc() will be allocating
* almost twice the memory required. This is used in nfs_init() to warn
* the sysadmin that the size of a structure should be reduced.
* (These sizes are always a power of 2. If the kernel malloc() changes
* to one that does not allocate space in powers of 2 size, then this all
* becomes bunk!)
*/
#define NFS_NODEALLOC 256
#define NFS_MNTALLOC 512
#define NFS_SVCALLOC 256
#define NFS_UIDALLOC 128
 
/*
* Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
* should ever try and use it.
*/
struct nfsd_args {
int sock; /* Socket to serve */
caddr_t name; /* Client address for connection based sockets */
int namelen; /* Length of name */
};
 
struct nfsd_srvargs {
struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */
uid_t nsd_uid; /* Effective uid mapped to cred */
u_long nsd_haddr; /* Ip address of client */
struct ucred nsd_cr; /* Cred. uid maps to */
int nsd_authlen; /* Length of auth string (ret) */
u_char *nsd_authstr; /* Auth string (ret) */
int nsd_verflen; /* and the verfier */
u_char *nsd_verfstr;
struct timeval nsd_timestamp; /* timestamp from verifier */
u_long nsd_ttl; /* credential ttl (sec) */
NFSKERBKEY_T nsd_key; /* Session key */
};
 
struct nfsd_cargs {
char *ncd_dirp; /* Mount dir path */
uid_t ncd_authuid; /* Effective uid */
int ncd_authtype; /* Type of authenticator */
int ncd_authlen; /* Length of authenticator string */
u_char *ncd_authstr; /* Authenticator string */
int ncd_verflen; /* and the verifier */
u_char *ncd_verfstr;
NFSKERBKEY_T ncd_key; /* Session key */
};
 
/*
* Stats structure
*/
struct nfsstats {
int attrcache_hits;
int attrcache_misses;
int lookupcache_hits;
int lookupcache_misses;
int direofcache_hits;
int direofcache_misses;
int biocache_reads;
int read_bios;
int read_physios;
int biocache_writes;
int write_bios;
int write_physios;
int biocache_readlinks;
int readlink_bios;
int biocache_readdirs;
int readdir_bios;
int rpccnt[NFS_NPROCS];
int rpcretries;
int srvrpccnt[NFS_NPROCS];
int srvrpc_errs;
int srv_errs;
int rpcrequests;
int rpctimeouts;
int rpcunexpected;
int rpcinvalid;
int srvcache_inproghits;
int srvcache_idemdonehits;
int srvcache_nonidemdonehits;
int srvcache_misses;
int srvnqnfs_leases;
int srvnqnfs_maxleases;
int srvnqnfs_getleases;
int srvvop_writes;
};
 
/*
* Flags for nfssvc() system call.
*/
#define NFSSVC_BIOD 0x002
#define NFSSVC_NFSD 0x004
#define NFSSVC_ADDSOCK 0x008
#define NFSSVC_AUTHIN 0x010
#define NFSSVC_GOTAUTH 0x040
#define NFSSVC_AUTHINFAIL 0x080
#define NFSSVC_MNTD 0x100
 
/*
* fs.nfs sysctl(3) identifiers
*/
#define NFS_NFSSTATS 1 /* struct: struct nfsstats */
#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */
 
#define FS_NFS_NAMES { \
{ 0, 0 }, \
{ "nfsstats", CTLTYPE_STRUCT }, \
{ "nfsprivport", CTLTYPE_INT }, \
}
 
/*
* The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
* What should be in this set is open to debate, but I believe that since
* I/O system calls on ufs are never interrupted by signals the set should
* be minimal. My reasoning is that many current programs that use signals
* such as SIGALRM will not expect file I/O system calls to be interrupted
* by them and break.
*/
#if defined(KERNEL) || defined(_KERNEL)
 
struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
 
#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
sigmask(SIGHUP)|sigmask(SIGQUIT))
 
/*
* Socket errors ignored for connectionless sockets??
* For now, ignore them all
*/
#define NFSIGNORE_SOERROR(s, e) \
((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
((s) & PR_CONNREQUIRED) == 0)
 
/*
* Nfs outstanding request list element
*/
struct nfsreq {
TAILQ_ENTRY(nfsreq) r_chain;
struct mbuf *r_mreq;
struct mbuf *r_mrep;
struct mbuf *r_md;
caddr_t r_dpos;
struct nfsmount *r_nmp;
struct vnode *r_vp;
u_long r_xid;
int r_flags; /* flags on request, see below */
int r_retry; /* max retransmission count */
int r_rexmit; /* current retrans count */
int r_timer; /* tick counter on reply */
int r_procnum; /* NFS procedure number */
int r_rtt; /* RTT for rpc */
struct proc *r_procp; /* Proc that did I/O system call */
};
 
/*
* Queue head for nfsreq's
*/
extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq;
 
/* Flag values for r_flags */
#define R_TIMING 0x01 /* timing request (in mntp) */
#define R_SENT 0x02 /* request has been sent */
#define R_SOFTTERM 0x04 /* soft mnt, too many retries */
#define R_INTR 0x08 /* intr mnt, signal pending */
#define R_SOCKERR 0x10 /* Fatal error on socket */
#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */
#define R_MUSTRESEND 0x40 /* Must resend request */
#define R_GETONEREP 0x80 /* Probe for one reply only */
 
/*
* A list of nfssvc_sock structures is maintained with all the sockets
* that require service by the nfsd.
* The nfsuid structs hang off of the nfssvc_sock structs in both lru
* and uid hash lists.
*/
#ifndef NFS_UIDHASHSIZ
#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
#endif
#define NUIDHASH(sock, uid) \
(&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
#ifndef NFS_WDELAYHASHSIZ
#define NFS_WDELAYHASHSIZ 16 /* and with this */
#endif
#define NWDELAYHASH(sock, f) \
(&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ])
#ifndef NFS_MUIDHASHSIZ
#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
#endif
#define NMUIDHASH(nmp, uid) \
(&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
#define NFSNOHASH(fhsum) \
(&nfsnodehashtbl[(fhsum) & nfsnodehash])
 
/*
* Network address hash list element
*/
union nethostaddr {
u_long had_inetaddr;
struct mbuf *had_nam;
};
 
struct nfsuid {
TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
int nu_flag; /* Flags */
union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
struct ucred nu_cr; /* Cred uid mapped to */
int nu_expire; /* Expiry time (sec) */
struct timeval nu_timestamp; /* Kerb. timestamp */
u_long nu_nickname; /* Nickname on server */
NFSKERBKEY_T nu_key; /* and session key */
};
 
#define nu_inetaddr nu_haddr.had_inetaddr
#define nu_nam nu_haddr.had_nam
/* Bits for nu_flag */
#define NU_INETADDR 0x1
#define NU_NAM 0x2
#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
 
struct nfssvc_sock {
TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
TAILQ_HEAD(, nfsuid) ns_uidlruhead;
struct file *ns_fp;
struct socket *ns_so;
struct mbuf *ns_nam;
struct mbuf *ns_raw;
struct mbuf *ns_rawend;
struct mbuf *ns_rec;
struct mbuf *ns_recend;
struct mbuf *ns_frag;
int ns_flag;
int ns_solock;
int ns_cc;
int ns_reclen;
int ns_numuids;
u_long ns_sref;
LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */
LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
};
 
/* Bits for "ns_flag" */
#define SLP_VALID 0x01
#define SLP_DOREC 0x02
#define SLP_NEEDQ 0x04
#define SLP_DISCONN 0x08
#define SLP_GETSTREAM 0x10
#define SLP_LASTFRAG 0x20
#define SLP_ALLFLAGS 0xff
 
extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead;
extern int nfssvc_sockhead_flag;
#define SLP_INIT 0x01
#define SLP_WANTINIT 0x02
 
/*
* One of these structures is allocated for each nfsd.
*/
struct nfsd {
TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
int nfsd_flag; /* NFSD_ flags */
struct nfssvc_sock *nfsd_slp; /* Current socket */
int nfsd_authlen; /* Authenticator len */
u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
int nfsd_verflen; /* and the Verifier */
u_char nfsd_verfstr[RPCVERF_MAXSIZ];
struct proc *nfsd_procp; /* Proc ptr */
struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
};
 
/* Bits for "nfsd_flag" */
#define NFSD_WAITING 0x01
#define NFSD_REQINPROG 0x02
#define NFSD_NEEDAUTH 0x04
#define NFSD_AUTHFAIL 0x08
 
/*
* This structure is used by the server for describing each request.
* Some fields are used only when write request gathering is performed.
*/
struct nfsrv_descript {
u_quad_t nd_time; /* Write deadline (usec) */
off_t nd_off; /* Start byte offset */
off_t nd_eoff; /* and end byte offset */
LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
struct mbuf *nd_mrep; /* Request mbuf list */
struct mbuf *nd_md; /* Current dissect mbuf */
struct mbuf *nd_mreq; /* Reply mbuf list */
struct mbuf *nd_nam; /* and socket addr */
struct mbuf *nd_nam2; /* return socket addr */
caddr_t nd_dpos; /* Current dissect pos */
int nd_procnum; /* RPC # */
int nd_stable; /* storage type */
int nd_flag; /* nd_flag */
int nd_len; /* Length of this write */
int nd_repstat; /* Reply status */
u_long nd_retxid; /* Reply xid */
u_long nd_duration; /* Lease duration */
struct timeval nd_starttime; /* Time RPC initiated */
fhandle_t nd_fh; /* File handle */
struct ucred nd_cr; /* Credentials */
};
 
/* Bits for "nd_flag" */
#define ND_READ LEASE_READ
#define ND_WRITE LEASE_WRITE
#define ND_CHECK 0x04
#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK)
#define ND_NFSV3 0x08
#define ND_NQNFS 0x10
#define ND_KERBNICK 0x20
#define ND_KERBFULL 0x40
#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
 
extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
extern int nfsd_head_flag;
#define NFSD_CHECKSLP 0x01
 
/*
* These macros compare nfsrv_descript structures.
*/
#define NFSW_CONTIG(o, n) \
((o)->nd_eoff >= (n)->nd_off && \
!bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
 
#define NFSW_SAMECRED(o, n) \
(((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
!bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
sizeof (struct ucred)))
 
int nfs_reply __P((struct nfsreq *));
int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int));
int nfs_send __P((struct socket *,struct mbuf *,struct mbuf *,struct nfsreq *));
int nfs_rephead __P((int,struct nfsrv_descript *,struct nfssvc_sock *,int,int,u_quad_t *,struct mbuf **,struct mbuf **,caddr_t *));
int nfs_sndlock __P((int *,struct nfsreq *));
void nfs_sndunlock __P((int *flagp));
int nfs_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
int nfs_vinvalbuf __P((struct vnode *,int,struct ucred *,struct proc *,int));
int nfs_readrpc __P((struct vnode *,struct uio *,struct ucred *));
int nfs_writerpc __P((struct vnode *,struct uio *,struct ucred *,int *,int *));
int nfs_readdirrpc __P((register struct vnode *,struct uio *,struct ucred *));
int nfs_asyncio __P((struct buf *,struct ucred *));
int nfs_doio __P((struct buf *,struct ucred *,struct proc *));
int nfs_readlinkrpc __P((struct vnode *,struct uio *,struct ucred *));
int nfs_sigintr __P((struct nfsmount *,struct nfsreq *r,struct proc *));
int nfs_readdirplusrpc __P((struct vnode *,register struct uio *,struct ucred *));
int nfsm_disct __P((struct mbuf **,caddr_t *,int,int,caddr_t *));
void nfsm_srvfattr __P((struct nfsrv_descript *,struct vattr *,struct nfs_fattr *));
void nfsm_srvwcc __P((struct nfsrv_descript *,int,struct vattr *,int,struct vattr *,struct mbuf **,char **));
void nfsm_srvpostopattr __P((struct nfsrv_descript *,int,struct vattr *,struct mbuf **,char **));
int netaddr_match __P((int,union nethostaddr *,struct mbuf *));
int nfs_request __P((struct vnode *,struct mbuf *,int,struct proc *,struct ucred *,struct mbuf **,struct mbuf **,caddr_t *));
int nfs_loadattrcache __P((struct vnode **,struct mbuf **,caddr_t *,struct vattr *));
int nfs_namei __P((struct nameidata *,fhandle_t *,int,struct nfssvc_sock *,struct mbuf *,struct mbuf **,caddr_t *,struct vnode **,struct proc *,int));
void nfsm_adj __P((struct mbuf *,int,int));
int nfsm_mbuftouio __P((struct mbuf **,struct uio *,int,caddr_t *));
void nfsrv_initcache __P((void));
int nfs_getauth __P((struct nfsmount *,struct nfsreq *,struct ucred *,char **,int *,char *,int *,NFSKERBKEY_T));
int nfs_getnickauth __P((struct nfsmount *,struct ucred *,char **,int *,char *,int));
int nfs_savenickauth __P((struct nfsmount *,struct ucred *,int,NFSKERBKEY_T,struct mbuf **,char **,struct mbuf *));
int nfs_adv __P((struct mbuf **,caddr_t *,int,int));
void nfs_nhinit __P((void));
void nfs_timer __P((void*));
u_long nfs_hash __P((nfsfh_t *,int));
void nfsrv_slpderef __P((struct nfssvc_sock *slp));
int nfsrv_dorec __P((struct nfssvc_sock *,struct nfsd *,struct nfsrv_descript **));
void nfsrv_cleancache __P((void));
int nfsrv_getcache __P((struct nfsrv_descript *,struct nfssvc_sock *,struct mbuf **));
int nfs_init __P((void));
void nfsrv_updatecache __P((struct nfsrv_descript *,int,struct mbuf *));
int nfs_connect __P((struct nfsmount *,struct nfsreq *));
void nfs_disconnect __P((struct nfsmount *nmp));
int nfs_getattrcache __P((struct vnode *,struct vattr *));
int nfsm_strtmbuf __P((struct mbuf **,char **,char *,long));
int nfs_bioread __P((struct vnode *,struct uio *,int,struct ucred *, int getpages));
int nfsm_uiotombuf __P((struct uio *,struct mbuf **,int,caddr_t *));
void nfsrv_init __P((int));
void nfs_clearcommit __P((struct mount *));
int nfsrv_errmap __P((struct nfsrv_descript *, int));
void nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag));
void nfsrvw_sort __P((gid_t [],int));
void nfsrv_setcred __P((struct ucred *,struct ucred *));
int nfs_writebp __P((struct buf *,int));
int nfsrv_object_create __P(( struct vnode * ));
void nfsrv_wakenfsd __P((struct nfssvc_sock *slp));
int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
struct proc *, struct mbuf **));
int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *,
struct proc *p));
 
int nfsrv3_access __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_fhtovp __P((fhandle_t *,int,struct vnode **,
struct ucred *,struct nfssvc_sock *,struct mbuf *,
int *,int));
int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_pathconf __P((struct nfsrv_descript *nfsd,
struct nfssvc_sock *slp, struct proc *procp,
struct mbuf **mrq));
int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_readdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd,
struct nfssvc_sock *slp, struct proc *procp,
struct mbuf **mrq));
int nfsrv_readlink __P((struct nfsrv_descript *nfsd,
struct nfssvc_sock *slp, struct proc *procp,
struct mbuf **mrq));
int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_setattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_statfs __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_symlink __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
struct proc *procp, struct mbuf **mrq));
 
#ifdef NFS_DEBUG
 
extern int nfs_debug;
#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
#define NFS_DEBUG_WG 2 /* server write gathering */
#define NFS_DEBUG_RC 4 /* server request caching */
 
#define NFS_DPF(cat, args) \
do { \
if (nfs_debug & NFS_DEBUG_##cat) printf args; \
} while (0)
 
#else
 
#define NFS_DPF(cat, args)
 
#endif
 
#endif /* KERNEL */
 
#endif
/nfsdiskless.h
0,0 → 1,100
/*
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Rick Macklem at The University of Guelph.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)nfsdiskless.h 8.1 (Berkeley) 6/10/93
* $Id: nfsdiskless.h,v 1.2 2001-09-27 12:01:56 chris Exp $
*/
 
#ifndef _NFS_NFSDISKLESS_H_
#define _NFS_NFSDISKLESS_H_
 
/*
* Structure that must be initialized for a diskless nfs client.
* This structure is used by nfs_mountroot() to set up the root and swap
* vnodes plus do a partial ifconfig(8) and route(8) so that the critical net
* interface can communicate with the server.
* The primary bootstrap is expected to fill in the appropriate fields before
* starting the kernel. Whether or not the swap area is nfs mounted is determined
* by the value in swdevt[0]. (equal to NODEV --> swap over nfs)
* Currently only works for AF_INET protocols.
* NB: All fields are stored in net byte order to avoid hassles with
* client/server byte ordering differences.
*/
 
/*
* I have defined a new structure that can handle an NFS Version 3 file handle
* but the kernel still expects the old Version 2 one to be provided. The
* changes required in nfs_vfsops.c for using the new are documented there in
* comments. (I felt that breaking network booting code by changing this
* structure would not be prudent at this time, since almost all servers are
* still Version 2 anyhow.)
*/
struct nfsv3_diskless {
struct ifaliasreq myif; /* Default interface */
struct sockaddr_in mygateway; /* Default gateway */
struct nfs_args swap_args; /* Mount args for swap file */
int swap_fhsize; /* Size of file handle */
u_char swap_fh[NFSX_V3FHMAX]; /* Swap file's file handle */
struct sockaddr_in swap_saddr; /* Address of swap server */
char swap_hostnam[MNAMELEN]; /* Host name for mount pt */
int swap_nblks; /* Size of server swap file */
struct ucred swap_ucred; /* Swap credentials */
struct nfs_args root_args; /* Mount args for root fs */
int root_fhsize; /* Size of root file handle */
u_char root_fh[NFSX_V3FHMAX]; /* File handle of root dir */
struct sockaddr_in root_saddr; /* Address of root server */
char root_hostnam[MNAMELEN]; /* Host name for mount pt */
long root_time; /* Timestamp of root fs */
char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */
};
 
struct nfs_diskless {
struct ifaliasreq myif; /* Default interface */
struct sockaddr_in mygateway; /* Default gateway */
struct nfs_args swap_args; /* Mount args for swap file */
u_char swap_fh[NFSX_V2FH]; /* Swap file's file handle */
struct sockaddr_in swap_saddr; /* Address of swap server */
char swap_hostnam[MNAMELEN]; /* Host name for mount pt */
int swap_nblks; /* Size of server swap file */
struct ucred swap_ucred; /* Swap credentials */
struct nfs_args root_args; /* Mount args for root fs */
u_char root_fh[NFSX_V2FH]; /* File handle of root dir */
struct sockaddr_in root_saddr; /* Address of root server */
char root_hostnam[MNAMELEN]; /* Host name for mount pt */
long root_time; /* Timestamp of root fs */
char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */
};
 
#endif

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