summaryrefslogtreecommitdiffstats
path: root/arch/sparc64/solaris/timod.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc64/solaris/timod.c')
-rw-r--r--arch/sparc64/solaris/timod.c959
1 files changed, 959 insertions, 0 deletions
diff --git a/arch/sparc64/solaris/timod.c b/arch/sparc64/solaris/timod.c
new file mode 100644
index 000000000000..022c80f43392
--- /dev/null
+++ b/arch/sparc64/solaris/timod.c
@@ -0,0 +1,959 @@
+/* $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, int 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__,__FUNCTION__,(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;
+
+ SOLD("wakeing socket");
+ sock = SOCKET_I(current->files->fd[fd]->f_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;
+
+ SOLD("queuing primsg");
+ sock = (struct sol_socket_struct *)current->files->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;
+
+ SOLD("queuing primsg at end");
+ sock = (struct sol_socket_struct *)current->files->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 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);
+ filp = current->files->fd[fd];
+ ino = filp->f_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 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));
+ filp = current->files->fd[fd];
+ ino = filp->f_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;
+
+ SOLD("entry");
+ lock_kernel();
+ if(fd >= NR_OPEN) goto out;
+
+ filp = current->files->fd[fd];
+ if(!filp) goto out;
+
+ ino = filp->f_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;
+
+ SOLD("entry");
+ lock_kernel();
+ if(fd >= NR_OPEN) goto out;
+
+ filp = current->files->fd[fd];
+ if(!filp) goto out;
+
+ ino = filp->f_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;
+}