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Diffstat (limited to 'arch/sparc64/solaris/timod.c')
-rw-r--r--arch/sparc64/solaris/timod.c976
1 files changed, 0 insertions, 976 deletions
diff --git a/arch/sparc64/solaris/timod.c b/arch/sparc64/solaris/timod.c
deleted file mode 100644
index 15234fcd191a..000000000000
--- a/arch/sparc64/solaris/timod.c
+++ /dev/null
@@ -1,976 +0,0 @@
-/* $Id: timod.c,v 1.19 2002/02/08 03:57:14 davem Exp $
- * timod.c: timod emulation.
- *
- * Copyright (C) 1998 Patrik Rak (prak3264@ss1000.ms.mff.cuni.cz)
- *
- * Streams & timod emulation based on code
- * Copyright (C) 1995, 1996 Mike Jagdis (jaggy@purplet.demon.co.uk)
- *
- */
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/ioctl.h>
-#include <linux/fs.h>
-#include <linux/file.h>
-#include <linux/netdevice.h>
-#include <linux/poll.h>
-
-#include <net/sock.h>
-
-#include <asm/uaccess.h>
-#include <asm/termios.h>
-
-#include "conv.h"
-#include "socksys.h"
-
-asmlinkage int solaris_ioctl(unsigned int fd, unsigned int cmd, u32 arg);
-
-static DEFINE_SPINLOCK(timod_pagelock);
-static char * page = NULL ;
-
-#ifndef DEBUG_SOLARIS_KMALLOC
-
-#define mykmalloc kmalloc
-#define mykfree kfree
-
-#else
-
-void * mykmalloc(size_t s, gfp_t gfp)
-{
- static char * page;
- static size_t free;
- void * r;
- s = ((s + 63) & ~63);
- if( s > PAGE_SIZE ) {
- SOLD("too big size, calling real kmalloc");
- return kmalloc(s, gfp);
- }
- if( s > free ) {
- /* we are wasting memory, but we don't care */
- page = (char *)__get_free_page(gfp);
- free = PAGE_SIZE;
- }
- r = page;
- page += s;
- free -= s;
- return r;
-}
-
-void mykfree(void *p)
-{
-}
-
-#endif
-
-#ifndef DEBUG_SOLARIS
-
-#define BUF_SIZE PAGE_SIZE
-#define PUT_MAGIC(a,m)
-#define SCHECK_MAGIC(a,m)
-#define BUF_OFFSET 0
-#define MKCTL_TRAILER 0
-
-#else
-
-#define BUF_SIZE (PAGE_SIZE-2*sizeof(u64))
-#define BUFPAGE_MAGIC 0xBADC0DEDDEADBABEL
-#define MKCTL_MAGIC 0xDEADBABEBADC0DEDL
-#define PUT_MAGIC(a,m) do{(*(u64*)(a))=(m);}while(0)
-#define SCHECK_MAGIC(a,m) do{if((*(u64*)(a))!=(m))printk("%s,%u,%s(): magic %08x at %p corrupted!\n",\
- __FILE__,__LINE__,__func__,(m),(a));}while(0)
-#define BUF_OFFSET sizeof(u64)
-#define MKCTL_TRAILER sizeof(u64)
-
-#endif
-
-static char *getpage( void )
-{
- char *r;
- SOLD("getting page");
- spin_lock(&timod_pagelock);
- if (page) {
- r = page;
- page = NULL;
- spin_unlock(&timod_pagelock);
- SOLD("got cached");
- return r + BUF_OFFSET;
- }
- spin_unlock(&timod_pagelock);
- SOLD("getting new");
- r = (char *)__get_free_page(GFP_KERNEL);
- PUT_MAGIC(r,BUFPAGE_MAGIC);
- PUT_MAGIC(r+PAGE_SIZE-sizeof(u64),BUFPAGE_MAGIC);
- return r + BUF_OFFSET;
-}
-
-static void putpage(char *p)
-{
- SOLD("putting page");
- p = p - BUF_OFFSET;
- SCHECK_MAGIC(p,BUFPAGE_MAGIC);
- SCHECK_MAGIC(p+PAGE_SIZE-sizeof(u64),BUFPAGE_MAGIC);
- spin_lock(&timod_pagelock);
- if (page) {
- spin_unlock(&timod_pagelock);
- free_page((unsigned long)p);
- SOLD("freed it");
- } else {
- page = p;
- spin_unlock(&timod_pagelock);
- SOLD("cached it");
- }
-}
-
-static struct T_primsg *timod_mkctl(int size)
-{
- struct T_primsg *it;
-
- SOLD("creating primsg");
- it = (struct T_primsg *)mykmalloc(size+sizeof(*it)-sizeof(s32)+2*MKCTL_TRAILER, GFP_KERNEL);
- if (it) {
- SOLD("got it");
- it->pri = MSG_HIPRI;
- it->length = size;
- PUT_MAGIC((char*)((u64)(((char *)&it->type)+size+7)&~7),MKCTL_MAGIC);
- }
- return it;
-}
-
-static void timod_wake_socket(unsigned int fd)
-{
- struct socket *sock;
- struct fdtable *fdt;
-
- SOLD("wakeing socket");
- fdt = files_fdtable(current->files);
- sock = SOCKET_I(fdt->fd[fd]->f_path.dentry->d_inode);
- wake_up_interruptible(&sock->wait);
- read_lock(&sock->sk->sk_callback_lock);
- if (sock->fasync_list && !test_bit(SOCK_ASYNC_WAITDATA, &sock->flags))
- __kill_fasync(sock->fasync_list, SIGIO, POLL_IN);
- read_unlock(&sock->sk->sk_callback_lock);
- SOLD("done");
-}
-
-static void timod_queue(unsigned int fd, struct T_primsg *it)
-{
- struct sol_socket_struct *sock;
- struct fdtable *fdt;
-
- SOLD("queuing primsg");
- fdt = files_fdtable(current->files);
- sock = (struct sol_socket_struct *)fdt->fd[fd]->private_data;
- it->next = sock->pfirst;
- sock->pfirst = it;
- if (!sock->plast)
- sock->plast = it;
- timod_wake_socket(fd);
- SOLD("done");
-}
-
-static void timod_queue_end(unsigned int fd, struct T_primsg *it)
-{
- struct sol_socket_struct *sock;
- struct fdtable *fdt;
-
- SOLD("queuing primsg at end");
- fdt = files_fdtable(current->files);
- sock = (struct sol_socket_struct *)fdt->fd[fd]->private_data;
- it->next = NULL;
- if (sock->plast)
- sock->plast->next = it;
- else
- sock->pfirst = it;
- sock->plast = it;
- SOLD("done");
-}
-
-static void timod_error(unsigned int fd, int prim, int terr, int uerr)
-{
- struct T_primsg *it;
-
- SOLD("making error");
- it = timod_mkctl(sizeof(struct T_error_ack));
- if (it) {
- struct T_error_ack *err = (struct T_error_ack *)&it->type;
-
- SOLD("got it");
- err->PRIM_type = T_ERROR_ACK;
- err->ERROR_prim = prim;
- err->TLI_error = terr;
- err->UNIX_error = uerr; /* FIXME: convert this */
- timod_queue(fd, it);
- }
- SOLD("done");
-}
-
-static void timod_ok(unsigned int fd, int prim)
-{
- struct T_primsg *it;
- struct T_ok_ack *ok;
-
- SOLD("creating ok ack");
- it = timod_mkctl(sizeof(*ok));
- if (it) {
- SOLD("got it");
- ok = (struct T_ok_ack *)&it->type;
- ok->PRIM_type = T_OK_ACK;
- ok->CORRECT_prim = prim;
- timod_queue(fd, it);
- }
- SOLD("done");
-}
-
-static int timod_optmgmt(unsigned int fd, int flag, char __user *opt_buf, int opt_len, int do_ret)
-{
- int error, failed;
- int ret_space, ret_len;
- long args[5];
- char *ret_pos,*ret_buf;
- int (*sys_socketcall)(int, unsigned long *) =
- (int (*)(int, unsigned long *))SYS(socketcall);
- mm_segment_t old_fs = get_fs();
-
- SOLD("entry");
- SOLDD(("fd %u flg %u buf %p len %u doret %u",fd,flag,opt_buf,opt_len,do_ret));
- if (!do_ret && (!opt_buf || opt_len <= 0))
- return 0;
- SOLD("getting page");
- ret_pos = ret_buf = getpage();
- ret_space = BUF_SIZE;
- ret_len = 0;
-
- error = failed = 0;
- SOLD("looping");
- while(opt_len >= sizeof(struct opthdr)) {
- struct opthdr *opt;
- int orig_opt_len;
- SOLD("loop start");
- opt = (struct opthdr *)ret_pos;
- if (ret_space < sizeof(struct opthdr)) {
- failed = TSYSERR;
- break;
- }
- SOLD("getting opthdr");
- if (copy_from_user(opt, opt_buf, sizeof(struct opthdr)) ||
- opt->len > opt_len) {
- failed = TBADOPT;
- break;
- }
- SOLD("got opthdr");
- if (flag == T_NEGOTIATE) {
- char *buf;
-
- SOLD("handling T_NEGOTIATE");
- buf = ret_pos + sizeof(struct opthdr);
- if (ret_space < opt->len + sizeof(struct opthdr) ||
- copy_from_user(buf, opt_buf+sizeof(struct opthdr), opt->len)) {
- failed = TSYSERR;
- break;
- }
- SOLD("got optdata");
- args[0] = fd;
- args[1] = opt->level;
- args[2] = opt->name;
- args[3] = (long)buf;
- args[4] = opt->len;
- SOLD("calling SETSOCKOPT");
- set_fs(KERNEL_DS);
- error = sys_socketcall(SYS_SETSOCKOPT, args);
- set_fs(old_fs);
- if (error) {
- failed = TBADOPT;
- break;
- }
- SOLD("SETSOCKOPT ok");
- }
- orig_opt_len = opt->len;
- opt->len = ret_space - sizeof(struct opthdr);
- if (opt->len < 0) {
- failed = TSYSERR;
- break;
- }
- args[0] = fd;
- args[1] = opt->level;
- args[2] = opt->name;
- args[3] = (long)(ret_pos+sizeof(struct opthdr));
- args[4] = (long)&opt->len;
- SOLD("calling GETSOCKOPT");
- set_fs(KERNEL_DS);
- error = sys_socketcall(SYS_GETSOCKOPT, args);
- set_fs(old_fs);
- if (error) {
- failed = TBADOPT;
- break;
- }
- SOLD("GETSOCKOPT ok");
- ret_space -= sizeof(struct opthdr) + opt->len;
- ret_len += sizeof(struct opthdr) + opt->len;
- ret_pos += sizeof(struct opthdr) + opt->len;
- opt_len -= sizeof(struct opthdr) + orig_opt_len;
- opt_buf += sizeof(struct opthdr) + orig_opt_len;
- SOLD("loop end");
- }
- SOLD("loop done");
- if (do_ret) {
- SOLD("generating ret msg");
- if (failed)
- timod_error(fd, T_OPTMGMT_REQ, failed, -error);
- else {
- struct T_primsg *it;
- it = timod_mkctl(sizeof(struct T_optmgmt_ack) + ret_len);
- if (it) {
- struct T_optmgmt_ack *ack =
- (struct T_optmgmt_ack *)&it->type;
- SOLD("got primsg");
- ack->PRIM_type = T_OPTMGMT_ACK;
- ack->OPT_length = ret_len;
- ack->OPT_offset = sizeof(struct T_optmgmt_ack);
- ack->MGMT_flags = (failed ? T_FAILURE : flag);
- memcpy(((char*)ack)+sizeof(struct T_optmgmt_ack),
- ret_buf, ret_len);
- timod_queue(fd, it);
- }
- }
- }
- SOLDD(("put_page %p\n", ret_buf));
- putpage(ret_buf);
- SOLD("done");
- return 0;
-}
-
-int timod_putmsg(unsigned int fd, char __user *ctl_buf, int ctl_len,
- char __user *data_buf, int data_len, int flags)
-{
- int ret, error, terror;
- char *buf;
- struct file *filp;
- struct inode *ino;
- struct fdtable *fdt;
- struct sol_socket_struct *sock;
- mm_segment_t old_fs = get_fs();
- long args[6];
- int (*sys_socketcall)(int, unsigned long __user *) =
- (int (*)(int, unsigned long __user *))SYS(socketcall);
- int (*sys_sendto)(int, void __user *, size_t, unsigned, struct sockaddr __user *, int) =
- (int (*)(int, void __user *, size_t, unsigned, struct sockaddr __user *, int))SYS(sendto);
-
- fdt = files_fdtable(current->files);
- filp = fdt->fd[fd];
- ino = filp->f_path.dentry->d_inode;
- sock = (struct sol_socket_struct *)filp->private_data;
- SOLD("entry");
- if (get_user(ret, (int __user *)A(ctl_buf)))
- return -EFAULT;
- switch (ret) {
- case T_BIND_REQ:
- {
- struct T_bind_req req;
-
- SOLDD(("bind %016lx(%016lx)\n", sock, filp));
- SOLD("T_BIND_REQ");
- if (sock->state != TS_UNBND) {
- timod_error(fd, T_BIND_REQ, TOUTSTATE, 0);
- return 0;
- }
- SOLD("state ok");
- if (copy_from_user(&req, ctl_buf, sizeof(req))) {
- timod_error(fd, T_BIND_REQ, TSYSERR, EFAULT);
- return 0;
- }
- SOLD("got ctl req");
- if (req.ADDR_offset && req.ADDR_length) {
- if (req.ADDR_length > BUF_SIZE) {
- timod_error(fd, T_BIND_REQ, TSYSERR, EFAULT);
- return 0;
- }
- SOLD("req size ok");
- buf = getpage();
- if (copy_from_user(buf, ctl_buf + req.ADDR_offset, req.ADDR_length)) {
- timod_error(fd, T_BIND_REQ, TSYSERR, EFAULT);
- putpage(buf);
- return 0;
- }
- SOLD("got ctl data");
- args[0] = fd;
- args[1] = (long)buf;
- args[2] = req.ADDR_length;
- SOLD("calling BIND");
- set_fs(KERNEL_DS);
- error = sys_socketcall(SYS_BIND, args);
- set_fs(old_fs);
- putpage(buf);
- SOLD("BIND returned");
- } else
- error = 0;
- if (!error) {
- struct T_primsg *it;
- if (req.CONIND_number) {
- args[0] = fd;
- args[1] = req.CONIND_number;
- SOLD("calling LISTEN");
- set_fs(KERNEL_DS);
- error = sys_socketcall(SYS_LISTEN, args);
- set_fs(old_fs);
- SOLD("LISTEN done");
- }
- it = timod_mkctl(sizeof(struct T_bind_ack)+sizeof(struct sockaddr));
- if (it) {
- struct T_bind_ack *ack;
-
- ack = (struct T_bind_ack *)&it->type;
- ack->PRIM_type = T_BIND_ACK;
- ack->ADDR_offset = sizeof(*ack);
- ack->ADDR_length = sizeof(struct sockaddr);
- ack->CONIND_number = req.CONIND_number;
- args[0] = fd;
- args[1] = (long)(ack+sizeof(*ack));
- args[2] = (long)&ack->ADDR_length;
- set_fs(KERNEL_DS);
- sys_socketcall(SYS_GETSOCKNAME,args);
- set_fs(old_fs);
- sock->state = TS_IDLE;
- timod_ok(fd, T_BIND_REQ);
- timod_queue_end(fd, it);
- SOLD("BIND done");
- return 0;
- }
- }
- SOLD("some error");
- switch (error) {
- case -EINVAL:
- terror = TOUTSTATE;
- error = 0;
- break;
- case -EACCES:
- terror = TACCES;
- error = 0;
- break;
- case -EADDRNOTAVAIL:
- case -EADDRINUSE:
- terror = TNOADDR;
- error = 0;
- break;
- default:
- terror = TSYSERR;
- break;
- }
- timod_error(fd, T_BIND_REQ, terror, -error);
- SOLD("BIND done");
- return 0;
- }
- case T_CONN_REQ:
- {
- struct T_conn_req req;
- unsigned short oldflags;
- struct T_primsg *it;
- SOLD("T_CONN_REQ");
- if (sock->state != TS_UNBND && sock->state != TS_IDLE) {
- timod_error(fd, T_CONN_REQ, TOUTSTATE, 0);
- return 0;
- }
- SOLD("state ok");
- if (copy_from_user(&req, ctl_buf, sizeof(req))) {
- timod_error(fd, T_CONN_REQ, TSYSERR, EFAULT);
- return 0;
- }
- SOLD("got ctl req");
- if (ctl_len > BUF_SIZE) {
- timod_error(fd, T_CONN_REQ, TSYSERR, EFAULT);
- return 0;
- }
- SOLD("req size ok");
- buf = getpage();
- if (copy_from_user(buf, ctl_buf, ctl_len)) {
- timod_error(fd, T_CONN_REQ, TSYSERR, EFAULT);
- putpage(buf);
- return 0;
- }
-#ifdef DEBUG_SOLARIS
- {
- char * ptr = buf;
- int len = ctl_len;
- printk("returned data (%d bytes): ",len);
- while( len-- ) {
- if (!(len & 7))
- printk(" ");
- printk("%02x",(unsigned char)*ptr++);
- }
- printk("\n");
- }
-#endif
- SOLD("got ctl data");
- args[0] = fd;
- args[1] = (long)buf+req.DEST_offset;
- args[2] = req.DEST_length;
- oldflags = filp->f_flags;
- filp->f_flags &= ~O_NONBLOCK;
- SOLD("calling CONNECT");
- set_fs(KERNEL_DS);
- error = sys_socketcall(SYS_CONNECT, args);
- set_fs(old_fs);
- filp->f_flags = oldflags;
- SOLD("CONNECT done");
- if (!error) {
- struct T_conn_con *con;
- SOLD("no error");
- it = timod_mkctl(ctl_len);
- if (!it) {
- putpage(buf);
- return -ENOMEM;
- }
- con = (struct T_conn_con *)&it->type;
-#ifdef DEBUG_SOLARIS
- {
- char * ptr = buf;
- int len = ctl_len;
- printk("returned data (%d bytes): ",len);
- while( len-- ) {
- if (!(len & 7))
- printk(" ");
- printk("%02x",(unsigned char)*ptr++);
- }
- printk("\n");
- }
-#endif
- memcpy(con, buf, ctl_len);
- SOLD("copied ctl_buf");
- con->PRIM_type = T_CONN_CON;
- sock->state = TS_DATA_XFER;
- } else {
- struct T_discon_ind *dis;
- SOLD("some error");
- it = timod_mkctl(sizeof(*dis));
- if (!it) {
- putpage(buf);
- return -ENOMEM;
- }
- SOLD("got primsg");
- dis = (struct T_discon_ind *)&it->type;
- dis->PRIM_type = T_DISCON_IND;
- dis->DISCON_reason = -error; /* FIXME: convert this as in iABI_errors() */
- dis->SEQ_number = 0;
- }
- putpage(buf);
- timod_ok(fd, T_CONN_REQ);
- it->pri = 0;
- timod_queue_end(fd, it);
- SOLD("CONNECT done");
- return 0;
- }
- case T_OPTMGMT_REQ:
- {
- struct T_optmgmt_req req;
- SOLD("OPTMGMT_REQ");
- if (copy_from_user(&req, ctl_buf, sizeof(req)))
- return -EFAULT;
- SOLD("got req");
- return timod_optmgmt(fd, req.MGMT_flags,
- req.OPT_offset > 0 ? ctl_buf + req.OPT_offset : NULL,
- req.OPT_length, 1);
- }
- case T_UNITDATA_REQ:
- {
- struct T_unitdata_req req;
-
- int err;
- SOLD("T_UNITDATA_REQ");
- if (sock->state != TS_IDLE && sock->state != TS_DATA_XFER) {
- timod_error(fd, T_CONN_REQ, TOUTSTATE, 0);
- return 0;
- }
- SOLD("state ok");
- if (copy_from_user(&req, ctl_buf, sizeof(req))) {
- timod_error(fd, T_CONN_REQ, TSYSERR, EFAULT);
- return 0;
- }
- SOLD("got ctl req");
-#ifdef DEBUG_SOLARIS
- {
- char * ptr = ctl_buf+req.DEST_offset;
- int len = req.DEST_length;
- printk("socket address (%d bytes): ",len);
- while( len-- ) {
- char c;
- if (get_user(c,ptr))
- printk("??");
- else
- printk("%02x",(unsigned char)c);
- ptr++;
- }
- printk("\n");
- }
-#endif
- err = sys_sendto(fd, data_buf, data_len, 0, req.DEST_length > 0 ? (struct sockaddr __user *)(ctl_buf+req.DEST_offset) : NULL, req.DEST_length);
- if (err == data_len)
- return 0;
- if(err >= 0) {
- printk("timod: sendto failed to send all the data\n");
- return 0;
- }
- timod_error(fd, T_CONN_REQ, TSYSERR, -err);
- return 0;
- }
- default:
- printk(KERN_INFO "timod_putmsg: unsupported command %u.\n", ret);
- break;
- }
- return -EINVAL;
-}
-
-int timod_getmsg(unsigned int fd, char __user *ctl_buf, int ctl_maxlen, s32 __user *ctl_len,
- char __user *data_buf, int data_maxlen, s32 __user *data_len, int *flags_p)
-{
- int error;
- int oldflags;
- struct file *filp;
- struct inode *ino;
- struct fdtable *fdt;
- struct sol_socket_struct *sock;
- struct T_unitdata_ind udi;
- mm_segment_t old_fs = get_fs();
- long args[6];
- char __user *tmpbuf;
- int tmplen;
- int (*sys_socketcall)(int, unsigned long __user *) =
- (int (*)(int, unsigned long __user *))SYS(socketcall);
- int (*sys_recvfrom)(int, void __user *, size_t, unsigned, struct sockaddr __user *, int __user *);
-
- SOLD("entry");
- SOLDD(("%u %p %d %p %p %d %p %d\n", fd, ctl_buf, ctl_maxlen, ctl_len, data_buf, data_maxlen, data_len, *flags_p));
- fdt = files_fdtable(current->files);
- filp = fdt->fd[fd];
- ino = filp->f_path.dentry->d_inode;
- sock = (struct sol_socket_struct *)filp->private_data;
- SOLDD(("%p %p\n", sock->pfirst, sock->pfirst ? sock->pfirst->next : NULL));
- if ( ctl_maxlen > 0 && !sock->pfirst && SOCKET_I(ino)->type == SOCK_STREAM
- && sock->state == TS_IDLE) {
- SOLD("calling LISTEN");
- args[0] = fd;
- args[1] = -1;
- set_fs(KERNEL_DS);
- sys_socketcall(SYS_LISTEN, args);
- set_fs(old_fs);
- SOLD("LISTEN done");
- }
- if (!(filp->f_flags & O_NONBLOCK)) {
- struct poll_wqueues wait_table;
- poll_table *wait;
-
- poll_initwait(&wait_table);
- wait = &wait_table.pt;
- for(;;) {
- SOLD("loop");
- set_current_state(TASK_INTERRUPTIBLE);
- /* ! ( l<0 || ( l>=0 && ( ! pfirst || (flags == HIPRI && pri != HIPRI) ) ) ) */
- /* ( ! l<0 && ! ( l>=0 && ( ! pfirst || (flags == HIPRI && pri != HIPRI) ) ) ) */
- /* ( l>=0 && ( ! l>=0 || ! ( ! pfirst || (flags == HIPRI && pri != HIPRI) ) ) ) */
- /* ( l>=0 && ( l<0 || ( pfirst && ! (flags == HIPRI && pri != HIPRI) ) ) ) */
- /* ( l>=0 && ( l<0 || ( pfirst && (flags != HIPRI || pri == HIPRI) ) ) ) */
- /* ( l>=0 && ( pfirst && (flags != HIPRI || pri == HIPRI) ) ) */
- if (ctl_maxlen >= 0 && sock->pfirst && (*flags_p != MSG_HIPRI || sock->pfirst->pri == MSG_HIPRI))
- break;
- SOLD("cond 1 passed");
- if (
- #if 1
- *flags_p != MSG_HIPRI &&
- #endif
- ((filp->f_op->poll(filp, wait) & POLLIN) ||
- (filp->f_op->poll(filp, NULL) & POLLIN) ||
- signal_pending(current))
- ) {
- break;
- }
- if( *flags_p == MSG_HIPRI ) {
- SOLD("avoiding lockup");
- break ;
- }
- if(wait_table.error) {
- SOLD("wait-table error");
- poll_freewait(&wait_table);
- return wait_table.error;
- }
- SOLD("scheduling");
- schedule();
- }
- SOLD("loop done");
- current->state = TASK_RUNNING;
- poll_freewait(&wait_table);
- if (signal_pending(current)) {
- SOLD("signal pending");
- return -EINTR;
- }
- }
- if (ctl_maxlen >= 0 && sock->pfirst) {
- struct T_primsg *it = sock->pfirst;
- int l = min_t(int, ctl_maxlen, it->length);
- SCHECK_MAGIC((char*)((u64)(((char *)&it->type)+sock->offset+it->length+7)&~7),MKCTL_MAGIC);
- SOLD("purting ctl data");
- if(copy_to_user(ctl_buf,
- (char*)&it->type + sock->offset, l))
- return -EFAULT;
- SOLD("pur it");
- if(put_user(l, ctl_len))
- return -EFAULT;
- SOLD("set ctl_len");
- *flags_p = it->pri;
- it->length -= l;
- if (it->length) {
- SOLD("more ctl");
- sock->offset += l;
- return MORECTL;
- } else {
- SOLD("removing message");
- sock->pfirst = it->next;
- if (!sock->pfirst)
- sock->plast = NULL;
- SOLDD(("getmsg kfree %016lx->%016lx\n", it, sock->pfirst));
- mykfree(it);
- sock->offset = 0;
- SOLD("ctl done");
- return 0;
- }
- }
- *flags_p = 0;
- if (ctl_maxlen >= 0) {
- SOLD("ACCEPT perhaps?");
- if (SOCKET_I(ino)->type == SOCK_STREAM && sock->state == TS_IDLE) {
- struct T_conn_ind ind;
- char *buf = getpage();
- int len = BUF_SIZE;
-
- SOLD("trying ACCEPT");
- if (put_user(ctl_maxlen - sizeof(ind), ctl_len))
- return -EFAULT;
- args[0] = fd;
- args[1] = (long)buf;
- args[2] = (long)&len;
- oldflags = filp->f_flags;
- filp->f_flags |= O_NONBLOCK;
- SOLD("calling ACCEPT");
- set_fs(KERNEL_DS);
- error = sys_socketcall(SYS_ACCEPT, args);
- set_fs(old_fs);
- filp->f_flags = oldflags;
- if (error < 0) {
- SOLD("some error");
- putpage(buf);
- return error;
- }
- if (error) {
- SOLD("connect");
- putpage(buf);
- if (sizeof(ind) > ctl_maxlen) {
- SOLD("generating CONN_IND");
- ind.PRIM_type = T_CONN_IND;
- ind.SRC_length = len;
- ind.SRC_offset = sizeof(ind);
- ind.OPT_length = ind.OPT_offset = 0;
- ind.SEQ_number = error;
- if(copy_to_user(ctl_buf, &ind, sizeof(ind))||
- put_user(sizeof(ind)+ind.SRC_length,ctl_len))
- return -EFAULT;
- SOLD("CONN_IND created");
- }
- if (data_maxlen >= 0)
- put_user(0, data_len);
- SOLD("CONN_IND done");
- return 0;
- }
- if (len>ctl_maxlen) {
- SOLD("data don't fit");
- putpage(buf);
- return -EFAULT; /* XXX - is this ok ? */
- }
- if(copy_to_user(ctl_buf,buf,len) || put_user(len,ctl_len)){
- SOLD("can't copy data");
- putpage(buf);
- return -EFAULT;
- }
- SOLD("ACCEPT done");
- putpage(buf);
- }
- }
- SOLD("checking data req");
- if (data_maxlen <= 0) {
- if (data_maxlen == 0)
- put_user(0, data_len);
- if (ctl_maxlen >= 0)
- put_user(0, ctl_len);
- return -EAGAIN;
- }
- SOLD("wants data");
- if (ctl_maxlen > sizeof(udi) && sock->state == TS_IDLE) {
- SOLD("udi fits");
- tmpbuf = ctl_buf + sizeof(udi);
- tmplen = ctl_maxlen - sizeof(udi);
- } else {
- SOLD("udi does not fit");
- tmpbuf = NULL;
- tmplen = 0;
- }
- if (put_user(tmplen, ctl_len))
- return -EFAULT;
- SOLD("set ctl_len");
- oldflags = filp->f_flags;
- filp->f_flags |= O_NONBLOCK;
- SOLD("calling recvfrom");
- sys_recvfrom = (int (*)(int, void __user *, size_t, unsigned, struct sockaddr __user *, int __user *))SYS(recvfrom);
- error = sys_recvfrom(fd, data_buf, data_maxlen, 0, (struct sockaddr __user *)tmpbuf, ctl_len);
- filp->f_flags = oldflags;
- if (error < 0)
- return error;
- SOLD("error >= 0" ) ;
- if (error && ctl_maxlen > sizeof(udi) && sock->state == TS_IDLE) {
- SOLD("generating udi");
- udi.PRIM_type = T_UNITDATA_IND;
- if (get_user(udi.SRC_length, ctl_len))
- return -EFAULT;
- udi.SRC_offset = sizeof(udi);
- udi.OPT_length = udi.OPT_offset = 0;
- if (copy_to_user(ctl_buf, &udi, sizeof(udi)) ||
- put_user(sizeof(udi)+udi.SRC_length, ctl_len))
- return -EFAULT;
- SOLD("udi done");
- } else {
- if (put_user(0, ctl_len))
- return -EFAULT;
- }
- put_user(error, data_len);
- SOLD("done");
- return 0;
-}
-
-asmlinkage int solaris_getmsg(unsigned int fd, u32 arg1, u32 arg2, u32 arg3)
-{
- struct file *filp;
- struct inode *ino;
- struct strbuf __user *ctlptr;
- struct strbuf __user *datptr;
- struct strbuf ctl, dat;
- int __user *flgptr;
- int flags;
- int error = -EBADF;
- struct fdtable *fdt;
-
- SOLD("entry");
- lock_kernel();
- if (fd >= sysctl_nr_open)
- goto out;
-
- fdt = files_fdtable(current->files);
- filp = fdt->fd[fd];
- if(!filp) goto out;
-
- ino = filp->f_path.dentry->d_inode;
- if (!ino || !S_ISSOCK(ino->i_mode))
- goto out;
-
- ctlptr = (struct strbuf __user *)A(arg1);
- datptr = (struct strbuf __user *)A(arg2);
- flgptr = (int __user *)A(arg3);
-
- error = -EFAULT;
-
- if (ctlptr) {
- if (copy_from_user(&ctl,ctlptr,sizeof(struct strbuf)) ||
- put_user(-1,&ctlptr->len))
- goto out;
- } else
- ctl.maxlen = -1;
-
- if (datptr) {
- if (copy_from_user(&dat,datptr,sizeof(struct strbuf)) ||
- put_user(-1,&datptr->len))
- goto out;
- } else
- dat.maxlen = -1;
-
- if (get_user(flags,flgptr))
- goto out;
-
- switch (flags) {
- case 0:
- case MSG_HIPRI:
- case MSG_ANY:
- case MSG_BAND:
- break;
- default:
- error = -EINVAL;
- goto out;
- }
-
- error = timod_getmsg(fd,A(ctl.buf),ctl.maxlen,&ctlptr->len,
- A(dat.buf),dat.maxlen,&datptr->len,&flags);
-
- if (!error && put_user(flags,flgptr))
- error = -EFAULT;
-out:
- unlock_kernel();
- SOLD("done");
- return error;
-}
-
-asmlinkage int solaris_putmsg(unsigned int fd, u32 arg1, u32 arg2, u32 arg3)
-{
- struct file *filp;
- struct inode *ino;
- struct strbuf __user *ctlptr;
- struct strbuf __user *datptr;
- struct strbuf ctl, dat;
- int flags = (int) arg3;
- int error = -EBADF;
- struct fdtable *fdt;
-
- SOLD("entry");
- lock_kernel();
- if (fd >= sysctl_nr_open)
- goto out;
-
- fdt = files_fdtable(current->files);
- filp = fdt->fd[fd];
- if(!filp) goto out;
-
- ino = filp->f_path.dentry->d_inode;
- if (!ino) goto out;
-
- if (!S_ISSOCK(ino->i_mode) &&
- (imajor(ino) != 30 || iminor(ino) != 1))
- goto out;
-
- ctlptr = A(arg1);
- datptr = A(arg2);
-
- error = -EFAULT;
-
- if (ctlptr) {
- if (copy_from_user(&ctl,ctlptr,sizeof(ctl)))
- goto out;
- if (ctl.len < 0 && flags) {
- error = -EINVAL;
- goto out;
- }
- } else {
- ctl.len = 0;
- ctl.buf = 0;
- }
-
- if (datptr) {
- if (copy_from_user(&dat,datptr,sizeof(dat)))
- goto out;
- } else {
- dat.len = 0;
- dat.buf = 0;
- }
-
- error = timod_putmsg(fd,A(ctl.buf),ctl.len,
- A(dat.buf),dat.len,flags);
-out:
- unlock_kernel();
- SOLD("done");
- return error;
-}