+/*
+ * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL.
+ */
+
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <stddef.h>
-#include <sched.h>
-#include <string.h>
#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
#include <sys/termios.h>
#include <sys/wait.h>
-#include <sys/signal.h>
-#include "user_util.h"
-#include "kern_util.h"
-#include "user.h"
+#include "kern_constants.h"
#include "net_user.h"
-#include "slip.h"
-#include "slip_common.h"
#include "os.h"
+#include "slip.h"
#include "um_malloc.h"
+#include "user.h"
-void slip_user_init(void *data, void *dev)
+static int slip_user_init(void *data, void *dev)
{
struct slip_data *pri = data;
pri->dev = dev;
+ return 0;
}
static int set_up_tty(int fd)
struct termios tios;
if (tcgetattr(fd, &tios) < 0) {
- printk("could not get initial terminal attributes\n");
- return(-1);
+ printk(UM_KERN_ERR "could not get initial terminal "
+ "attributes\n");
+ return -1;
}
tios.c_cflag = CS8 | CREAD | HUPCL | CLOCAL;
cfsetispeed(&tios, B38400);
if (tcsetattr(fd, TCSAFLUSH, &tios) < 0) {
- printk("failed to set terminal attributes\n");
- return(-1);
+ printk(UM_KERN_ERR "failed to set terminal attributes\n");
+ return -1;
}
- return(0);
+ return 0;
}
struct slip_pre_exec_data {
{
struct slip_pre_exec_data *data = arg;
- if(data->stdin >= 0) dup2(data->stdin, 0);
+ if (data->stdin >= 0)
+ dup2(data->stdin, 0);
dup2(data->stdout, 1);
- if(data->close_me >= 0) os_close_file(data->close_me);
+ if (data->close_me >= 0)
+ close(data->close_me);
}
static int slip_tramp(char **argv, int fd)
int status, pid, fds[2], err, output_len;
err = os_pipe(fds, 1, 0);
- if(err < 0){
- printk("slip_tramp : pipe failed, err = %d\n", -err);
+ if (err < 0) {
+ printk(UM_KERN_ERR "slip_tramp : pipe failed, err = %d\n",
+ -err);
goto out;
}
pe_data.stdin = fd;
pe_data.stdout = fds[1];
pe_data.close_me = fds[0];
- err = run_helper(slip_pre_exec, &pe_data, argv, NULL);
- if(err < 0)
+ err = run_helper(slip_pre_exec, &pe_data, argv);
+ if (err < 0)
goto out_close;
pid = err;
- output_len = page_size();
- output = um_kmalloc(output_len);
- if(output == NULL){
- printk("slip_tramp : failed to allocate output buffer\n");
+ output_len = UM_KERN_PAGE_SIZE;
+ output = kmalloc(output_len, UM_GFP_KERNEL);
+ if (output == NULL) {
+ printk(UM_KERN_ERR "slip_tramp : failed to allocate output "
+ "buffer\n");
os_kill_process(pid, 1);
err = -ENOMEM;
goto out_free;
}
- os_close_file(fds[1]);
+ close(fds[1]);
read_output(fds[0], output, output_len);
printk("%s", output);
CATCH_EINTR(err = waitpid(pid, &status, 0));
- if(err < 0)
+ if (err < 0)
err = errno;
- else if(!WIFEXITED(status) || (WEXITSTATUS(status) != 0)){
- printk("'%s' didn't exit with status 0\n", argv[0]);
+ else if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0)) {
+ printk(UM_KERN_ERR "'%s' didn't exit with status 0\n", argv[0]);
err = -EINVAL;
}
else err = 0;
- os_close_file(fds[0]);
+ close(fds[0]);
out_free:
kfree(output);
return err;
out_close:
- os_close_file(fds[0]);
- os_close_file(fds[1]);
+ close(fds[0]);
+ close(fds[1]);
out:
return err;
}
struct slip_data *pri = data;
char version_buf[sizeof("nnnnn\0")];
char gate_buf[sizeof("nnn.nnn.nnn.nnn\0")];
- char *argv[] = { "uml_net", version_buf, "slip", "up", gate_buf,
+ char *argv[] = { "uml_net", version_buf, "slip", "up", gate_buf,
NULL };
int sfd, mfd, err;
err = get_pty();
- if(err < 0){
- printk("slip-open : Failed to open pty, err = %d\n", -err);
+ if (err < 0) {
+ printk(UM_KERN_ERR "slip-open : Failed to open pty, err = %d\n",
+ -err);
goto out;
}
mfd = err;
- err = os_open_file(ptsname(mfd), of_rdwr(OPENFLAGS()), 0);
- if(err < 0){
- printk("Couldn't open tty for slip line, err = %d\n", -err);
+ err = open(ptsname(mfd), O_RDWR, 0);
+ if (err < 0) {
+ printk(UM_KERN_ERR "Couldn't open tty for slip line, "
+ "err = %d\n", -err);
goto out_close;
}
sfd = err;
- if(set_up_tty(sfd))
+ if (set_up_tty(sfd))
goto out_close2;
pri->slave = sfd;
pri->slip.pos = 0;
pri->slip.esc = 0;
- if(pri->gate_addr != NULL){
+ if (pri->gate_addr != NULL) {
sprintf(version_buf, "%d", UML_NET_VERSION);
strcpy(gate_buf, pri->gate_addr);
err = slip_tramp(argv, sfd);
- if(err < 0){
- printk("slip_tramp failed - err = %d\n", -err);
+ if (err < 0) {
+ printk(UM_KERN_ERR "slip_tramp failed - err = %d\n",
+ -err);
goto out_close2;
}
err = os_get_ifname(pri->slave, pri->name);
- if(err < 0){
- printk("get_ifname failed, err = %d\n", -err);
+ if (err < 0) {
+ printk(UM_KERN_ERR "get_ifname failed, err = %d\n",
+ -err);
goto out_close2;
}
iter_addresses(pri->dev, open_addr, pri->name);
}
else {
err = os_set_slip(sfd);
- if(err < 0){
- printk("Failed to set slip discipline encapsulation - "
- "err = %d\n", -err);
+ if (err < 0) {
+ printk(UM_KERN_ERR "Failed to set slip discipline "
+ "encapsulation - err = %d\n", -err);
goto out_close2;
}
}
- return(mfd);
+ return mfd;
out_close2:
- os_close_file(sfd);
+ close(sfd);
out_close:
- os_close_file(mfd);
+ close(mfd);
out:
return err;
}
{
struct slip_data *pri = data;
char version_buf[sizeof("nnnnn\0")];
- char *argv[] = { "uml_net", version_buf, "slip", "down", pri->name,
+ char *argv[] = { "uml_net", version_buf, "slip", "down", pri->name,
NULL };
int err;
- if(pri->gate_addr != NULL)
+ if (pri->gate_addr != NULL)
iter_addresses(pri->dev, close_addr, pri->name);
sprintf(version_buf, "%d", UML_NET_VERSION);
err = slip_tramp(argv, pri->slave);
- if(err != 0)
- printk("slip_tramp failed - errno = %d\n", -err);
- os_close_file(fd);
- os_close_file(pri->slave);
+ if (err != 0)
+ printk(UM_KERN_ERR "slip_tramp failed - errno = %d\n", -err);
+ close(fd);
+ close(pri->slave);
pri->slave = -1;
}
return slip_proto_write(fd, buf, len, &pri->slip);
}
-static int slip_set_mtu(int mtu, void *data)
-{
- return(mtu);
-}
-
static void slip_add_addr(unsigned char *addr, unsigned char *netmask,
void *data)
{
struct slip_data *pri = data;
- if(pri->slave < 0) return;
+ if (pri->slave < 0)
+ return;
open_addr(addr, netmask, pri->name);
}
{
struct slip_data *pri = data;
- if(pri->slave < 0) return;
+ if (pri->slave < 0)
+ return;
close_addr(addr, netmask, pri->name);
}
.open = slip_open,
.close = slip_close,
.remove = NULL,
- .set_mtu = slip_set_mtu,
.add_address = slip_add_addr,
.delete_address = slip_del_addr,
- .max_packet = BUF_SIZE
+ .mtu = BUF_SIZE,
+ .max_packet = BUF_SIZE,
};
git.samba.org / sfrench / cifs-2.6.git / blobdiff