-/*
- * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
+/*
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
+#ifndef __DAEMON_H__
+#define __DAEMON_H__
+
#include "net_user.h"
#define SWITCH_VERSION 3
extern const struct net_user_info daemon_user_info;
-extern int daemon_user_write(int fd, void *buf, int len,
+extern int daemon_user_write(int fd, void *buf, int len,
struct daemon_data *pri);
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+#endif
/*
- * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
+ * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net).
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2001 by various other people who didn't put their name here.
* Licensed under the GPL.
*/
-#include "linux/kernel.h"
#include "linux/init.h"
-#include "linux/netdevice.h"
-#include "linux/etherdevice.h"
+#include <linux/netdevice.h>
#include "net_kern.h"
-#include "net_user.h"
#include "daemon.h"
struct daemon_init {
dpri->data_addr = NULL;
dpri->local_addr = NULL;
- printk("daemon backend (uml_switch version %d) - %s:%s",
+ printk("daemon backend (uml_switch version %d) - %s:%s",
SWITCH_VERSION, dpri->sock_type, dpri->ctl_sock);
printk("\n");
}
-static int daemon_read(int fd, struct sk_buff **skb,
+static int daemon_read(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
- if(*skb == NULL) return(-ENOMEM);
- return(net_recvfrom(fd, skb_mac_header(*skb),
- (*skb)->dev->mtu + ETH_HEADER_OTHER));
+ if (*skb == NULL)
+ return -ENOMEM;
+ return net_recvfrom(fd, skb_mac_header(*skb),
+ (*skb)->dev->mtu + ETH_HEADER_OTHER);
}
static int daemon_write(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
- return(daemon_user_write(fd, (*skb)->data, (*skb)->len,
- (struct daemon_data *) &lp->user));
+ return daemon_user_write(fd, (*skb)->data, (*skb)->len,
+ (struct daemon_data *) &lp->user);
}
static const struct net_kern_info daemon_kern_info = {
*init = ((struct daemon_init)
{ .sock_type = "unix",
.ctl_sock = "/tmp/uml.ctl" });
-
+
remain = split_if_spec(str, mac_out, &init->sock_type, &init->ctl_sock,
NULL);
- if(remain != NULL)
+ if (remain != NULL)
printk(KERN_WARNING "daemon_setup : Ignoring data socket "
"specification\n");
-
- return(1);
+
+ return 1;
}
static struct transport daemon_transport = {
/*
- * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here.
* Licensed under the GPL.
*/
-#include <errno.h>
-#include <unistd.h>
#include <stdint.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/types.h>
#include <sys/socket.h>
-#include <sys/un.h>
#include <sys/time.h>
-#include "net_user.h"
+#include <sys/un.h>
#include "daemon.h"
-#include "kern_util.h"
-#include "user.h"
+#include "net_user.h"
#include "os.h"
#include "um_malloc.h"
+#include "user.h"
#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
struct sockaddr_un *sun;
sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
- if(sun == NULL){
- printk("new_addr: allocation of sockaddr_un failed\n");
+ if (sun == NULL) {
+ printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
+ "failed\n");
return NULL;
}
sun->sun_family = AF_UNIX;
int fd, n, err;
pri->control = socket(AF_UNIX, SOCK_STREAM, 0);
- if(pri->control < 0){
+ if (pri->control < 0) {
err = -errno;
- printk("daemon_open : control socket failed, errno = %d\n",
- -err);
+ printk(UM_KERN_ERR "daemon_open : control socket failed, "
+ "errno = %d\n", -err);
return err;
}
- if(connect(pri->control, (struct sockaddr *) ctl_addr,
- sizeof(*ctl_addr)) < 0){
+ if (connect(pri->control, (struct sockaddr *) ctl_addr,
+ sizeof(*ctl_addr)) < 0) {
err = -errno;
- printk("daemon_open : control connect failed, errno = %d\n",
- -err);
+ printk(UM_KERN_ERR "daemon_open : control connect failed, "
+ "errno = %d\n", -err);
goto out;
}
fd = socket(AF_UNIX, SOCK_DGRAM, 0);
- if(fd < 0){
+ if (fd < 0) {
err = -errno;
- printk("daemon_open : data socket failed, errno = %d\n",
- -err);
+ printk(UM_KERN_ERR "daemon_open : data socket failed, "
+ "errno = %d\n", -err);
goto out;
}
- if(bind(fd, (struct sockaddr *) local_addr, sizeof(*local_addr)) < 0){
+ if (bind(fd, (struct sockaddr *) local_addr, sizeof(*local_addr)) < 0) {
err = -errno;
- printk("daemon_open : data bind failed, errno = %d\n",
- -err);
+ printk(UM_KERN_ERR "daemon_open : data bind failed, "
+ "errno = %d\n", -err);
goto out_close;
}
sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
- if(sun == NULL){
- printk("new_addr: allocation of sockaddr_un failed\n");
+ if (sun == NULL) {
+ printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
+ "failed\n");
err = -ENOMEM;
goto out_close;
}
req.version = SWITCH_VERSION;
req.type = REQ_NEW_CONTROL;
req.sock = *local_addr;
- n = os_write_file(pri->control, &req, sizeof(req));
- if(n != sizeof(req)){
- printk("daemon_open : control setup request failed, err = %d\n",
- -n);
+ n = write(pri->control, &req, sizeof(req));
+ if (n != sizeof(req)) {
+ printk(UM_KERN_ERR "daemon_open : control setup request "
+ "failed, err = %d\n", -errno);
err = -ENOTCONN;
goto out_free;
}
- n = os_read_file(pri->control, sun, sizeof(*sun));
- if(n != sizeof(*sun)){
- printk("daemon_open : read of data socket failed, err = %d\n",
- -n);
+ n = read(pri->control, sun, sizeof(*sun));
+ if (n != sizeof(*sun)) {
+ printk(UM_KERN_ERR "daemon_open : read of data socket failed, "
+ "err = %d\n", -errno);
err = -ENOTCONN;
goto out_free;
}
out_free:
kfree(sun);
out_close:
- os_close_file(fd);
+ close(fd);
out:
- os_close_file(pri->control);
+ close(pri->control);
return err;
}
int usecs;
} name;
- if(!strcmp(pri->sock_type, "unix"))
- pri->ctl_addr = new_addr(pri->ctl_sock,
+ if (!strcmp(pri->sock_type, "unix"))
+ pri->ctl_addr = new_addr(pri->ctl_sock,
strlen(pri->ctl_sock) + 1);
name.zero = 0;
name.pid = os_getpid();
pri->local_addr = new_addr(&name, sizeof(name));
pri->dev = dev;
pri->fd = connect_to_switch(pri);
- if(pri->fd < 0){
+ if (pri->fd < 0) {
kfree(pri->local_addr);
pri->local_addr = NULL;
return pri->fd;
{
struct daemon_data *pri = data;
- os_close_file(pri->fd);
+ close(pri->fd);
pri->fd = -1;
- os_close_file(pri->control);
+ close(pri->control);
pri->control = -1;
kfree(pri->data_addr);
/*
- * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
+#ifndef __DRIVERS_MCAST_H
+#define __DRIVERS_MCAST_H
+
#include "net_user.h"
struct mcast_data {
extern int mcast_user_write(int fd, void *buf, int len,
struct mcast_data *pri);
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+#endif
/*
* user-mode-linux networking multicast transport
* Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org>
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*
* based on the existing uml-networking code, which is
- * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
+ * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here.
*
* Licensed under the GPL.
*/
-#include "linux/kernel.h"
#include "linux/init.h"
-#include "linux/netdevice.h"
-#include "linux/etherdevice.h"
-#include "linux/in.h"
-#include "linux/inet.h"
-#include "net_kern.h"
-#include "net_user.h"
+#include <linux/netdevice.h>
#include "mcast.h"
+#include "net_kern.h"
struct mcast_init {
char *addr;
dpri->ttl = init->ttl;
dpri->dev = dev;
- printk("mcast backend ");
- printk("multicast address: %s:%u, TTL:%u ",
+ printk("mcast backend multicast address: %s:%u, TTL:%u\n",
dpri->addr, dpri->port, dpri->ttl);
-
- printk("\n");
}
static int mcast_read(int fd, struct sk_buff **skb, struct uml_net_private *lp)
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
- if(*skb == NULL) return(-ENOMEM);
- return(net_recvfrom(fd, skb_mac_header(*skb),
- (*skb)->dev->mtu + ETH_HEADER_OTHER));
+ if (*skb == NULL)
+ return -ENOMEM;
+ return net_recvfrom(fd, skb_mac_header(*skb),
+ (*skb)->dev->mtu + ETH_HEADER_OTHER);
}
-static int mcast_write(int fd, struct sk_buff **skb,
- struct uml_net_private *lp)
+static int mcast_write(int fd, struct sk_buff **skb, struct uml_net_private *lp)
{
- return mcast_user_write(fd, (*skb)->data, (*skb)->len,
- (struct mcast_data *) &lp->user);
+ return mcast_user_write(fd, (*skb)->data, (*skb)->len,
+ (struct mcast_data *) &lp->user);
}
static const struct net_kern_info mcast_kern_info = {
remain = split_if_spec(str, mac_out, &init->addr, &port_str, &ttl_str,
NULL);
- if(remain != NULL){
+ if (remain != NULL) {
printk(KERN_ERR "mcast_setup - Extra garbage on "
"specification : '%s'\n", remain);
- return(0);
+ return 0;
}
-
- if(port_str != NULL){
+
+ if (port_str != NULL) {
init->port = simple_strtoul(port_str, &last, 10);
- if((*last != '\0') || (last == port_str)){
- printk(KERN_ERR "mcast_setup - Bad port : '%s'\n",
+ if ((*last != '\0') || (last == port_str)) {
+ printk(KERN_ERR "mcast_setup - Bad port : '%s'\n",
port_str);
- return(0);
+ return 0;
}
}
- if(ttl_str != NULL){
+ if (ttl_str != NULL) {
init->ttl = simple_strtoul(ttl_str, &last, 10);
- if((*last != '\0') || (last == ttl_str)){
- printk(KERN_ERR "mcast_setup - Bad ttl : '%s'\n",
+ if ((*last != '\0') || (last == ttl_str)) {
+ printk(KERN_ERR "mcast_setup - Bad ttl : '%s'\n",
ttl_str);
- return(0);
+ return 0;
}
}
printk(KERN_INFO "Configured mcast device: %s:%u-%u\n", init->addr,
init->port, init->ttl);
- return(1);
+ return 1;
}
static struct transport mcast_transport = {
/*
* user-mode-linux networking multicast transport
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org>
*
* based on the existing uml-networking code, which is
- * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
+ * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here.
*
*
*/
-#include <errno.h>
#include <unistd.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <sys/time.h>
+#include <errno.h>
#include <netinet/in.h>
-#include "net_user.h"
#include "mcast.h"
-#include "kern_util.h"
-#include "user.h"
-#include "os.h"
+#include "net_user.h"
#include "um_malloc.h"
+#include "user.h"
#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
struct sockaddr_in *sin;
sin = kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
- if(sin == NULL){
- printk("new_addr: allocation of sockaddr_in failed\n");
+ if (sin == NULL) {
+ printk(UM_KERN_ERR "new_addr: allocation of sockaddr_in "
+ "failed\n");
return NULL;
}
sin->sin_family = AF_INET;
fd = socket(AF_INET, SOCK_DGRAM, 0);
- if (fd < 0){
+ if (fd < 0) {
err = -errno;
- printk("mcast_open : data socket failed, errno = %d\n",
- errno);
+ printk(UM_KERN_ERR "mcast_open : data socket failed, "
+ "errno = %d\n", errno);
goto out;
}
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) {
err = -errno;
- printk("mcast_open: SO_REUSEADDR failed, errno = %d\n",
- errno);
+ printk(UM_KERN_ERR "mcast_open: SO_REUSEADDR failed, "
+ "errno = %d\n", errno);
goto out_close;
}
if (setsockopt(fd, SOL_IP, IP_MULTICAST_TTL, &pri->ttl,
sizeof(pri->ttl)) < 0) {
err = -errno;
- printk("mcast_open: IP_MULTICAST_TTL failed, error = %d\n",
- errno);
+ printk(UM_KERN_ERR "mcast_open: IP_MULTICAST_TTL failed, "
+ "error = %d\n", errno);
goto out_close;
}
/* set LOOP, so data does get fed back to local sockets */
if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) {
err = -errno;
- printk("mcast_open: IP_MULTICAST_LOOP failed, error = %d\n",
- errno);
+ printk(UM_KERN_ERR "mcast_open: IP_MULTICAST_LOOP failed, "
+ "error = %d\n", errno);
goto out_close;
}
/* bind socket to mcast address */
if (bind(fd, (struct sockaddr *) sin, sizeof(*sin)) < 0) {
err = -errno;
- printk("mcast_open : data bind failed, errno = %d\n", errno);
+ printk(UM_KERN_ERR "mcast_open : data bind failed, "
+ "errno = %d\n", errno);
goto out_close;
}
/* subscribe to the multicast group */
mreq.imr_multiaddr.s_addr = sin->sin_addr.s_addr;
mreq.imr_interface.s_addr = 0;
- if (setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP,
+ if (setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP,
&mreq, sizeof(mreq)) < 0) {
err = -errno;
- printk("mcast_open: IP_ADD_MEMBERSHIP failed, error = %d\n",
- errno);
- printk("There appears not to be a multicast-capable network "
- "interface on the host.\n");
- printk("eth0 should be configured in order to use the "
- "multicast transport.\n");
+ printk(UM_KERN_ERR "mcast_open: IP_ADD_MEMBERSHIP failed, "
+ "error = %d\n", errno);
+ printk(UM_KERN_ERR "There appears not to be a multicast-"
+ "capable network interface on the host.\n");
+ printk(UM_KERN_ERR "eth0 should be configured in order to use "
+ "the multicast transport.\n");
goto out_close;
}
return fd;
out_close:
- os_close_file(fd);
+ close(fd);
out:
return err;
}
mreq.imr_interface.s_addr = 0;
if (setsockopt(fd, SOL_IP, IP_DROP_MEMBERSHIP,
&mreq, sizeof(mreq)) < 0) {
- printk("mcast_open: IP_DROP_MEMBERSHIP failed, error = %d\n",
- errno);
+ printk(UM_KERN_ERR "mcast_open: IP_DROP_MEMBERSHIP failed, "
+ "error = %d\n", errno);
}
- os_close_file(fd);
+ close(fd);
}
int mcast_user_write(int fd, void *buf, int len, struct mcast_data *pri)
/*
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here.
* Licensed under the GPL.
*/
-#include "linux/kernel.h"
-#include "linux/netdevice.h"
-#include "linux/rtnetlink.h"
-#include "linux/skbuff.h"
-#include "linux/socket.h"
-#include "linux/spinlock.h"
-#include "linux/module.h"
-#include "linux/init.h"
-#include "linux/etherdevice.h"
-#include "linux/list.h"
-#include "linux/inetdevice.h"
-#include "linux/ctype.h"
-#include "linux/bootmem.h"
-#include "linux/ethtool.h"
-#include "linux/platform_device.h"
-#include "asm/uaccess.h"
-#include "kern_util.h"
-#include "net_kern.h"
-#include "net_user.h"
-#include "mconsole_kern.h"
+#include <linux/bootmem.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/inetdevice.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
+#include <linux/platform_device.h>
+#include <linux/rtnetlink.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
#include "init.h"
-#include "irq_user.h"
#include "irq_kern.h"
+#include "irq_user.h"
+#include "mconsole_kern.h"
+#include "net_kern.h"
+#include "net_user.h"
static inline void set_ether_mac(struct net_device *dev, unsigned char *addr)
{
struct uml_net_private *lp = dev->priv;
int err;
- if(!netif_running(dev))
- return(IRQ_NONE);
+ if (!netif_running(dev))
+ return IRQ_NONE;
spin_lock(&lp->lock);
- while((err = uml_net_rx(dev)) > 0) ;
- if(err < 0) {
+ while ((err = uml_net_rx(dev)) > 0) ;
+ if (err < 0) {
printk(KERN_ERR
"Device '%s' read returned %d, shutting it down\n",
dev->name, err);
struct uml_net_private *lp = dev->priv;
int err;
- if(lp->fd >= 0){
+ if (lp->fd >= 0) {
err = -ENXIO;
goto out;
}
lp->fd = (*lp->open)(&lp->user);
- if(lp->fd < 0){
+ if (lp->fd < 0) {
err = lp->fd;
goto out;
}
err = um_request_irq(dev->irq, lp->fd, IRQ_READ, uml_net_interrupt,
IRQF_DISABLED | IRQF_SHARED, dev->name, dev);
- if(err != 0){
+ if (err != 0) {
printk(KERN_ERR "uml_net_open: failed to get irq(%d)\n", err);
err = -ENETUNREACH;
goto out_close;
* is full when we get here. In this case, new data is never queued,
* SIGIOs never arrive, and the net never works.
*/
- while((err = uml_net_rx(dev)) > 0) ;
+ while ((err = uml_net_rx(dev)) > 0) ;
spin_lock(&opened_lock);
list_add(&lp->list, &opened);
return 0;
out_close:
- if(lp->close != NULL) (*lp->close)(lp->fd, &lp->user);
+ if (lp->close != NULL) (*lp->close)(lp->fd, &lp->user);
lp->fd = -1;
out:
return err;
netif_stop_queue(dev);
free_irq(dev->irq, dev);
- if(lp->close != NULL)
+ if (lp->close != NULL)
(*lp->close)(lp->fd, &lp->user);
lp->fd = -1;
len = (*lp->write)(lp->fd, &skb, lp);
- if(len == skb->len) {
+ if (len == skb->len) {
lp->stats.tx_packets++;
lp->stats.tx_bytes += skb->len;
dev->trans_start = jiffies;
/* this is normally done in the interrupt when tx finishes */
netif_wake_queue(dev);
}
- else if(len == 0){
+ else if (len == 0) {
netif_start_queue(dev);
lp->stats.tx_dropped++;
}
static void uml_net_set_multicast_list(struct net_device *dev)
{
- if (dev->flags & IFF_PROMISC) return;
- else if (dev->mc_count) dev->flags |= IFF_ALLMULTI;
+ if (dev->flags & IFF_PROMISC)
+ return;
+ else if (dev->mc_count)
+ dev->flags |= IFF_ALLMULTI;
else dev->flags &= ~IFF_ALLMULTI;
}
spin_lock_irq(&lp->lock);
new_mtu = (*lp->set_mtu)(new_mtu, &lp->user);
- if(new_mtu < 0){
+ if (new_mtu < 0) {
err = new_mtu;
goto out;
}
char *end;
int i;
- if(str == NULL)
+ if (str == NULL)
goto random;
- for(i=0;i<6;i++){
+ for (i = 0;i < 6; i++) {
addr[i] = simple_strtoul(str, &end, 16);
- if((end == str) ||
- ((*end != ':') && (*end != ',') && (*end != '\0'))){
+ if ((end == str) ||
+ ((*end != ':') && (*end != ',') && (*end != '\0'))) {
printk(KERN_ERR
"setup_etheraddr: failed to parse '%s' "
"as an ethernet address\n", str);
struct net_device *netdev = device->dev;
struct uml_net_private *lp = netdev->priv;
- if(lp->remove != NULL)
+ if (lp->remove != NULL)
(*lp->remove)(&lp->user);
list_del(&device->list);
kfree(device);
device->pdev.name = DRIVER_NAME;
device->pdev.dev.release = net_device_release;
device->pdev.dev.driver_data = device;
- if(platform_device_register(&device->pdev))
+ if (platform_device_register(&device->pdev))
goto out_free_netdev;
SET_NETDEV_DEV(dev,&device->pdev.dev);
struct list_head *ele;
spin_lock(&devices_lock);
- list_for_each(ele, &devices){
+ list_for_each(ele, &devices) {
device = list_entry(ele, struct uml_net, list);
- if(device->index == n)
+ if (device->index == n)
goto out;
}
device = NULL;
int n, err = -EINVAL;;
n = simple_strtoul(str, &end, 0);
- if(end == str){
+ if (end == str) {
*error_out = "Bad device number";
return err;
}
str = end;
- if(*str != '='){
+ if (*str != '=') {
*error_out = "Expected '=' after device number";
return err;
}
str++;
- if(find_device(n)){
+ if (find_device(n)) {
*error_out = "Device already configured";
return err;
}
int len;
len = strlen(transport->name);
- if(strncmp(eth, transport->name, len))
+ if (strncmp(eth, transport->name, len))
return 0;
eth += len;
- if(*eth == ',')
+ if (*eth == ',')
eth++;
- else if(*eth != '\0')
+ else if (*eth != '\0')
return 0;
*init_out = kmalloc(transport->setup_size, GFP_KERNEL);
- if(*init_out == NULL)
+ if (*init_out == NULL)
return 1;
- if(!transport->setup(eth, mac_out, *init_out)){
+ if (!transport->setup(eth, mac_out, *init_out)) {
kfree(*init_out);
*init_out = NULL;
}
list_add(&new->list, &transports);
spin_unlock(&transports_lock);
- list_for_each_safe(ele, next, ð_cmd_line){
+ list_for_each_safe(ele, next, ð_cmd_line) {
eth = list_entry(ele, struct eth_init, list);
match = check_transport(new, eth->init, eth->index, &init,
&mac);
- if(!match)
+ if (!match)
continue;
- else if(init != NULL){
+ else if (init != NULL) {
eth_configure(eth->index, init, mac, new);
kfree(init);
}
int found = 0;
spin_lock(&transports_lock);
- list_for_each(ele, &transports){
+ list_for_each(ele, &transports) {
transport = list_entry(ele, struct transport, list);
- if(!check_transport(transport, str, index, &init, &mac))
+ if (!check_transport(transport, str, index, &init, &mac))
continue;
- if(init != NULL){
+ if (init != NULL) {
eth_configure(index, init, mac, transport);
kfree(init);
}
int n, err;
err = eth_parse(str, &n, &str, &error);
- if(err){
+ if (err) {
printk(KERN_ERR "eth_setup - Couldn't parse '%s' : %s\n",
str, error);
return 1;
}
new = alloc_bootmem(sizeof(*new));
- if (new == NULL){
- printk("eth_init : alloc_bootmem failed\n");
+ if (new == NULL) {
+ printk(KERN_ERR "eth_init : alloc_bootmem failed\n");
return 1;
}
int n, err;
err = eth_parse(str, &n, &str, error_out);
- if(err)
+ if (err)
return err;
/* This string is broken up and the pieces used by the underlying
* driver. So, it is freed only if eth_setup_common fails.
*/
str = kstrdup(str, GFP_KERNEL);
- if(str == NULL){
+ if (str == NULL) {
*error_out = "net_config failed to strdup string";
return -ENOMEM;
}
err = !eth_setup_common(str, n);
- if(err)
+ if (err)
kfree(str);
- return(err);
+ return err;
}
static int net_id(char **str, int *start_out, int *end_out)
{
- char *end;
- int n;
+ char *end;
+ int n;
n = simple_strtoul(*str, &end, 0);
- if((*end != '\0') || (end == *str))
+ if ((*end != '\0') || (end == *str))
return -1;
- *start_out = n;
- *end_out = n;
- *str = end;
- return n;
+ *start_out = n;
+ *end_out = n;
+ *str = end;
+ return n;
}
static int net_remove(int n, char **error_out)
struct uml_net_private *lp;
device = find_device(n);
- if(device == NULL)
+ if (device == NULL)
return -ENODEV;
dev = device->dev;
lp = dev->priv;
- if(lp->fd > 0)
+ if (lp->fd > 0)
return -EBUSY;
unregister_netdev(dev);
platform_device_unregister(&device->pdev);
void (*proc)(unsigned char *, unsigned char *, void *);
unsigned char addr_buf[4], netmask_buf[4];
- if(dev->open != uml_net_open)
+ if (dev->open != uml_net_open)
return NOTIFY_DONE;
lp = dev->priv;
proc = NULL;
- switch (event){
+ switch (event) {
case NETDEV_UP:
proc = lp->add_address;
break;
proc = lp->delete_address;
break;
}
- if(proc != NULL){
+ if (proc != NULL) {
memcpy(addr_buf, &ifa->ifa_address, sizeof(addr_buf));
memcpy(netmask_buf, &ifa->ifa_mask, sizeof(netmask_buf));
(*proc)(addr_buf, netmask_buf, &lp->user);
* addresses which have already been set up get handled properly.
*/
spin_lock(&opened_lock);
- list_for_each(ele, &opened){
+ list_for_each(ele, &opened) {
lp = list_entry(ele, struct uml_net_private, list);
ip = lp->dev->ip_ptr;
- if(ip == NULL)
+ if (ip == NULL)
continue;
in = ip->ifa_list;
- while(in != NULL){
+ while (in != NULL) {
uml_inetaddr_event(NULL, NETDEV_UP, in);
in = in->ifa_next;
}
struct uml_net_private *lp;
spin_lock(&opened_lock);
- list_for_each(ele, &opened){
+ list_for_each(ele, &opened) {
lp = list_entry(ele, struct uml_net_private, list);
free_irq(lp->dev->irq, lp->dev);
- if((lp->close != NULL) && (lp->fd >= 0))
+ if ((lp->close != NULL) && (lp->fd >= 0))
(*lp->close)(lp->fd, &lp->user);
- if(lp->remove != NULL)
+ if (lp->remove != NULL)
(*lp->remove)(&lp->user);
}
spin_unlock(&opened_lock);
struct sk_buff *ether_adjust_skb(struct sk_buff *skb, int extra)
{
- if((skb != NULL) && (skb_tailroom(skb) < extra)){
+ if ((skb != NULL) && (skb_tailroom(skb) < extra)) {
struct sk_buff *skb2;
skb2 = skb_copy_expand(skb, 0, extra, GFP_ATOMIC);
dev_kfree_skb(skb);
skb = skb2;
}
- if(skb != NULL) skb_put(skb, extra);
- return(skb);
+ if (skb != NULL) skb_put(skb, extra);
+ return skb;
}
void iter_addresses(void *d, void (*cb)(unsigned char *, unsigned char *,
struct in_ifaddr *in;
unsigned char address[4], netmask[4];
- if(ip == NULL) return;
+ if (ip == NULL) return;
in = ip->ifa_list;
- while(in != NULL){
+ while (in != NULL) {
memcpy(address, &in->ifa_address, sizeof(address));
memcpy(netmask, &in->ifa_mask, sizeof(netmask));
(*cb)(address, netmask, arg);
struct in_ifaddr *in;
__be32 *mask_out = m;
- if(ip == NULL)
- return(1);
+ if (ip == NULL)
+ return 1;
in = ip->ifa_list;
- if(in == NULL)
- return(1);
+ if (in == NULL)
+ return 1;
*mask_out = in->ifa_mask;
- return(0);
+ return 0;
}
void *get_output_buffer(int *len_out)
void *ret;
ret = (void *) __get_free_pages(GFP_KERNEL, 0);
- if(ret) *len_out = PAGE_SIZE;
+ if (ret) *len_out = PAGE_SIZE;
else *len_out = 0;
return ret;
}
char *remain;
remain = split_if_spec(str, dev_name, mac_out, gate_addr, NULL);
- if(remain != NULL){
- printk("tap_setup_common - Extra garbage on specification : "
- "'%s'\n", remain);
- return(1);
+ if (remain != NULL) {
+ printk(KERN_ERR "tap_setup_common - Extra garbage on "
+ "specification : '%s'\n", remain);
+ return 1;
}
- return(0);
+ return 0;
}
unsigned short eth_protocol(struct sk_buff *skb)
{
- return(eth_type_trans(skb, skb->dev));
+ return eth_type_trans(skb, skb->dev);
}
-/*
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
+/*
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
-#include <stddef.h>
-#include <stdarg.h>
-#include <unistd.h>
#include <stdio.h>
+#include <unistd.h>
+#include <stdarg.h>
#include <errno.h>
-#include <stdlib.h>
+#include <stddef.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/wait.h>
-#include <sys/time.h>
-#include "user.h"
-#include "kern_util.h"
#include "net_user.h"
+#include "kern_constants.h"
#include "os.h"
#include "um_malloc.h"
-#include "kern_constants.h"
+#include "user.h"
int tap_open_common(void *dev, char *gate_addr)
{
int tap_addr[4];
- if(gate_addr == NULL)
+ if (gate_addr == NULL)
return 0;
- if(sscanf(gate_addr, "%d.%d.%d.%d", &tap_addr[0],
- &tap_addr[1], &tap_addr[2], &tap_addr[3]) != 4){
- printk("Invalid tap IP address - '%s'\n", gate_addr);
+ if (sscanf(gate_addr, "%d.%d.%d.%d", &tap_addr[0],
+ &tap_addr[1], &tap_addr[2], &tap_addr[3]) != 4) {
+ printk(UM_KERN_ERR "Invalid tap IP address - '%s'\n",
+ gate_addr);
return -EINVAL;
}
return 0;
{
int tap_addr[4];
- if((gate_addr != NULL) &&
- (sscanf(gate_addr, "%d.%d.%d.%d", &tap_addr[0],
- &tap_addr[1], &tap_addr[2], &tap_addr[3]) == 4) &&
- (eth_addr[0] == tap_addr[0]) &&
- (eth_addr[1] == tap_addr[1]) &&
- (eth_addr[2] == tap_addr[2]) &&
- (eth_addr[3] == tap_addr[3])){
- printk("The tap IP address and the UML eth IP address"
- " must be different\n");
+ if ((gate_addr != NULL) &&
+ (sscanf(gate_addr, "%d.%d.%d.%d", &tap_addr[0],
+ &tap_addr[1], &tap_addr[2], &tap_addr[3]) == 4) &&
+ (eth_addr[0] == tap_addr[0]) &&
+ (eth_addr[1] == tap_addr[1]) &&
+ (eth_addr[2] == tap_addr[2]) &&
+ (eth_addr[3] == tap_addr[3])) {
+ printk(UM_KERN_ERR "The tap IP address and the UML eth IP "
+ "address must be different\n");
}
}
char c;
char *str;
- if(output == NULL){
+ if (output == NULL) {
output = &c;
len = sizeof(c);
}
-
+
*output = '\0';
- ret = os_read_file(fd, &remain, sizeof(remain));
+ ret = read(fd, &remain, sizeof(remain));
if (ret != sizeof(remain)) {
+ if (ret < 0)
+ ret = -errno;
expected = sizeof(remain);
str = "length";
goto err;
}
- while(remain != 0){
+ while (remain != 0) {
expected = (remain < len) ? remain : len;
- ret = os_read_file(fd, output, expected);
+ ret = read(fd, output, expected);
if (ret != expected) {
+ if (ret < 0)
+ ret = -errno;
str = "data";
goto err;
}
err:
if (ret < 0)
- printk("read_output - read of %s failed, errno = %d\n", str, -ret);
+ printk(UM_KERN_ERR "read_output - read of %s failed, "
+ "errno = %d\n", str, -ret);
else
- printk("read_output - read of %s failed, read only %d of %d bytes\n", str, ret, expected);
+ printk(UM_KERN_ERR "read_output - read of %s failed, read only "
+ "%d of %d bytes\n", str, ret, expected);
}
int net_read(int fd, void *buf, int len)
{
int n;
- n = os_read_file(fd, buf, len);
+ n = read(fd, buf, len);
- if(n == -EAGAIN)
+ if ((n < 0) && (errno == EAGAIN))
return 0;
- else if(n == 0)
+ else if (n == 0)
return -ENOTCONN;
return n;
}
int n;
CATCH_EINTR(n = recvfrom(fd, buf, len, 0, NULL, NULL));
- if(n < 0){
- if(errno == EAGAIN)
+ if (n < 0) {
+ if (errno == EAGAIN)
return 0;
return -errno;
}
- else if(n == 0)
+ else if (n == 0)
return -ENOTCONN;
return n;
}
{
int n;
- n = os_write_file(fd, buf, len);
+ n = write(fd, buf, len);
- if(n == -EAGAIN)
+ if ((n < 0) && (errno == EAGAIN))
return 0;
- else if(n == 0)
+ else if (n == 0)
return -ENOTCONN;
return n;
}
int n;
CATCH_EINTR(n = send(fd, buf, len, 0));
- if(n < 0){
- if(errno == EAGAIN)
+ if (n < 0) {
+ if (errno == EAGAIN)
return 0;
return -errno;
}
- else if(n == 0)
+ else if (n == 0)
return -ENOTCONN;
return n;
}
CATCH_EINTR(n = sendto(fd, buf, len, 0, (struct sockaddr *) to,
sock_len));
- if(n < 0){
- if(errno == EAGAIN)
+ if (n < 0) {
+ if (errno == EAGAIN)
return 0;
return -errno;
}
- else if(n == 0)
+ else if (n == 0)
return -ENOTCONN;
return n;
}
{
struct change_pre_exec_data *data = arg;
- os_close_file(data->close_me);
+ close(data->close_me);
dup2(data->stdout, 1);
}
struct change_pre_exec_data pe_data;
err = os_pipe(fds, 1, 0);
- if(err < 0){
- printk("change_tramp - pipe failed, err = %d\n", -err);
+ if (err < 0) {
+ printk(UM_KERN_ERR "change_tramp - pipe failed, err = %d\n",
+ -err);
return err;
}
pe_data.close_me = fds[0];
if (pid > 0) /* Avoid hang as we won't get data in failure case. */
read_output(fds[0], output, output_len);
- os_close_file(fds[0]);
- os_close_file(fds[1]);
+ close(fds[0]);
+ close(fds[1]);
if (pid > 0)
CATCH_EINTR(err = waitpid(pid, NULL, 0));
char addr_buf[sizeof("255.255.255.255\0")];
char netmask_buf[sizeof("255.255.255.255\0")];
char version[sizeof("nnnnn\0")];
- char *argv[] = { "uml_net", version, what, dev, addr_buf,
+ char *argv[] = { "uml_net", version, what, dev, addr_buf,
netmask_buf, NULL };
char *output;
int output_len, pid;
sprintf(version, "%d", UML_NET_VERSION);
sprintf(addr_buf, "%d.%d.%d.%d", addr[0], addr[1], addr[2], addr[3]);
- sprintf(netmask_buf, "%d.%d.%d.%d", netmask[0], netmask[1],
+ sprintf(netmask_buf, "%d.%d.%d.%d", netmask[0], netmask[1],
netmask[2], netmask[3]);
output_len = UM_KERN_PAGE_SIZE;
output = kmalloc(output_len, UM_GFP_KERNEL);
- if(output == NULL)
- printk("change : failed to allocate output buffer\n");
+ if (output == NULL)
+ printk(UM_KERN_ERR "change : failed to allocate output "
+ "buffer\n");
pid = change_tramp(argv, output, output_len);
- if(pid < 0) return;
+ if (pid < 0) return;
- if(output != NULL){
+ if (output != NULL) {
printk("%s", output);
kfree(output);
}
va_list ap;
va_start(ap, str);
- while((arg = va_arg(ap, char **)) != NULL){
- if(*str == '\0')
+ while ((arg = va_arg(ap, char **)) != NULL) {
+ if (*str == '\0')
return NULL;
end = strchr(str, ',');
- if(end != str)
+ if (end != str)
*arg = str;
- if(end == NULL)
+ if (end == NULL)
return NULL;
*end++ = '\0';
str = end;
/*
- * Copyright (C) 2002 Jeff Dike <jdike@karaya.com>
+ * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL.
*/
#include "linux/init.h"
-#include "linux/netdevice.h"
-#include "linux/etherdevice.h"
+#include <linux/netdevice.h>
#include "net_kern.h"
-#include "net_user.h"
#include "pcap_user.h"
struct pcap_init {
struct uml_net_private *lp)
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
- if(*skb == NULL)
+ if (*skb == NULL)
return -ENOMEM;
return pcap_user_read(fd, skb_mac_header(*skb),
remain = split_if_spec(str, &host_if, &init->filter,
&options[0], &options[1], mac_out, NULL);
- if(remain != NULL){
+ if (remain != NULL) {
printk(KERN_ERR "pcap_setup - Extra garbage on "
"specification : '%s'\n", remain);
return 0;
}
- if(host_if != NULL)
+ if (host_if != NULL)
init->host_if = host_if;
- for(i = 0; i < ARRAY_SIZE(options); i++){
- if(options[i] == NULL)
+ for (i = 0; i < ARRAY_SIZE(options); i++) {
+ if (options[i] == NULL)
continue;
- if(!strcmp(options[i], "promisc"))
+ if (!strcmp(options[i], "promisc"))
init->promisc = 1;
- else if(!strcmp(options[i], "nopromisc"))
+ else if (!strcmp(options[i], "nopromisc"))
init->promisc = 0;
- else if(!strcmp(options[i], "optimize"))
+ else if (!strcmp(options[i], "optimize"))
init->optimize = 1;
- else if(!strcmp(options[i], "nooptimize"))
+ else if (!strcmp(options[i], "nooptimize"))
init->optimize = 0;
else {
- printk("pcap_setup : bad option - '%s'\n", options[i]);
+ printk(KERN_ERR "pcap_setup : bad option - '%s'\n",
+ options[i]);
return 0;
}
}
/*
- * Copyright (C) 2002 Jeff Dike <jdike@karaya.com>
+ * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL.
*/
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
#include <errno.h>
#include <pcap.h>
+#include <string.h>
#include <asm/types.h>
#include "net_user.h"
#include "pcap_user.h"
-#include "user.h"
-#include "um_malloc.h"
#include "kern_constants.h"
+#include "um_malloc.h"
+#include "user.h"
#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
char errors[PCAP_ERRBUF_SIZE];
p = pcap_open_live(pri->host_if, MAX_PACKET, pri->promisc, 0, errors);
- if(p == NULL){
+ if (p == NULL) {
printk(UM_KERN_ERR "pcap_user_init : pcap_open_live failed - "
"'%s'\n", errors);
return -EINVAL;
__u32 netmask;
int err;
- if(pri->pcap == NULL)
+ if (pri->pcap == NULL)
return -ENODEV;
- if(pri->filter != NULL){
+ if (pri->filter != NULL) {
err = dev_netmask(pri->dev, &netmask);
- if(err < 0){
+ if (err < 0) {
printk(UM_KERN_ERR "pcap_open : dev_netmask failed\n");
return -EIO;
}
- pri->compiled = kmalloc(sizeof(struct bpf_program), UM_GFP_KERNEL);
- if(pri->compiled == NULL){
+ pri->compiled = kmalloc(sizeof(struct bpf_program),
+ UM_GFP_KERNEL);
+ if (pri->compiled == NULL) {
printk(UM_KERN_ERR "pcap_open : kmalloc failed\n");
return -ENOMEM;
}
- err = pcap_compile(pri->pcap,
- (struct bpf_program *) pri->compiled,
+ err = pcap_compile(pri->pcap,
+ (struct bpf_program *) pri->compiled,
pri->filter, pri->optimize, netmask);
- if(err < 0){
+ if (err < 0) {
printk(UM_KERN_ERR "pcap_open : pcap_compile failed - "
"'%s'\n", pcap_geterr(pri->pcap));
- return -EIO;
+ goto out;
}
err = pcap_setfilter(pri->pcap, pri->compiled);
- if(err < 0){
+ if (err < 0) {
printk(UM_KERN_ERR "pcap_open : pcap_setfilter "
"failed - '%s'\n", pcap_geterr(pri->pcap));
- return -EIO;
+ goto out;
}
}
return PCAP_FD(pri->pcap);
+
+ out:
+ kfree(pri->compiled);
+ return -EIO;
}
static void pcap_remove(void *data)
{
struct pcap_data *pri = data;
- if(pri->compiled != NULL)
+ if (pri->compiled != NULL)
pcap_freecode(pri->compiled);
- if(pri->pcap != NULL)
+ if (pri->pcap != NULL)
pcap_close(pri->pcap);
}
int len;
};
-static void handler(u_char *data, const struct pcap_pkthdr *header,
+static void handler(u_char *data, const struct pcap_pkthdr *header,
const u_char *packet)
{
int len;
int n;
n = pcap_dispatch(pri->pcap, 1, handler, (u_char *) &hdata);
- if(n < 0){
+ if (n < 0) {
printk(UM_KERN_ERR "pcap_dispatch failed - %s\n",
pcap_geterr(pri->pcap));
return -EIO;
}
- else if(n == 0)
+ else if (n == 0)
return 0;
return hdata.len;
}
-#include "linux/kernel.h"
-#include "linux/stddef.h"
-#include "linux/init.h"
-#include "linux/netdevice.h"
-#include "linux/if_arp.h"
+/*
+ * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL.
+ */
+
+#include <linux/if_arp.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
#include "net_kern.h"
-#include "net_user.h"
-#include "kern.h"
#include "slip.h"
struct slip_init {
static unsigned short slip_protocol(struct sk_buff *skbuff)
{
- return(htons(ETH_P_IP));
+ return htons(ETH_P_IP);
}
-static int slip_read(int fd, struct sk_buff **skb,
+static int slip_read(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
- return(slip_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu,
- (struct slip_data *) &lp->user));
+ return slip_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu,
+ (struct slip_data *) &lp->user);
}
static int slip_write(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
- return(slip_user_write(fd, (*skb)->data, (*skb)->len,
- (struct slip_data *) &lp->user));
+ return slip_user_write(fd, (*skb)->data, (*skb)->len,
+ (struct slip_data *) &lp->user);
}
const struct net_kern_info slip_kern_info = {
{
struct slip_init *init = data;
- *init = ((struct slip_init)
- { .gate_addr = NULL });
+ *init = ((struct slip_init) { .gate_addr = NULL });
- if(str[0] != '\0')
+ if (str[0] != '\0')
init->gate_addr = str;
- return(1);
+ return 1;
}
static struct transport slip_transport = {
+/*
+ * 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 "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 "kern_constants.h"
+#include "user.h"
static int slip_user_init(void *data, void *dev)
{
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.stdout = fds[1];
pe_data.close_me = fds[0];
err = run_helper(slip_pre_exec, &pe_data, argv);
- if(err < 0)
+ if (err < 0)
goto out_close;
pid = err;
output_len = UM_KERN_PAGE_SIZE;
output = kmalloc(output_len, UM_GFP_KERNEL);
- if(output == NULL){
- printk("slip_tramp : failed to allocate output buffer\n");
+ 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;
}
static int slip_set_mtu(int mtu, void *data)
{
- return(mtu);
+ return mtu;
}
static void slip_add_addr(unsigned char *addr, unsigned char *netmask,
{
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);
}
-#include "linux/kernel.h"
-#include "linux/stddef.h"
+/*
+ * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL.
+ */
+
+#include <linux/if_arp.h>
#include "linux/init.h"
-#include "linux/netdevice.h"
-#include "linux/if_arp.h"
+#include <linux/netdevice.h>
+#include <linux/string.h>
#include "net_kern.h"
#include "net_user.h"
-#include "kern.h"
#include "slirp.h"
struct slirp_init {
dev->tx_queue_len = 256;
dev->flags = IFF_NOARP;
printk("SLIRP backend - command line:");
- for(i=0;spri->argw.argv[i]!=NULL;i++) {
+ for (i = 0; spri->argw.argv[i] != NULL; i++)
printk(" '%s'",spri->argw.argv[i]);
- }
printk("\n");
}
static unsigned short slirp_protocol(struct sk_buff *skbuff)
{
- return(htons(ETH_P_IP));
+ return htons(ETH_P_IP);
}
-static int slirp_read(int fd, struct sk_buff **skb,
+static int slirp_read(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
- return(slirp_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu,
- (struct slirp_data *) &lp->user));
+ return slirp_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu,
+ (struct slirp_data *) &lp->user);
}
static int slirp_write(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
- return(slirp_user_write(fd, (*skb)->data, (*skb)->len,
- (struct slirp_data *) &lp->user));
+ return slirp_user_write(fd, (*skb)->data, (*skb)->len,
+ (struct slirp_data *) &lp->user);
}
const struct net_kern_info slirp_kern_info = {
struct slirp_init *init = data;
int i=0;
- *init = ((struct slirp_init)
- { .argw = { { "slirp", NULL } } });
+ *init = ((struct slirp_init) { .argw = { { "slirp", NULL } } });
str = split_if_spec(str, mac_out, NULL);
- if(str == NULL) { /* no command line given after MAC addr */
- return(1);
- }
+ if (str == NULL) /* no command line given after MAC addr */
+ return 1;
do {
- if(i>=SLIRP_MAX_ARGS-1) {
- printk("slirp_setup: truncating slirp arguments\n");
+ if (i >= SLIRP_MAX_ARGS - 1) {
+ printk(KERN_WARNING "slirp_setup: truncating slirp "
+ "arguments\n");
break;
}
init->argw.argv[i++] = str;
while(*str && *str!=',') {
- if(*str=='_') *str=' ';
+ if (*str == '_')
+ *str=' ';
str++;
}
- if(*str!=',')
+ if (*str != ',')
break;
- *str++='\0';
- } while(1);
- init->argw.argv[i]=NULL;
- return(1);
+ *str++ = '\0';
+ } while (1);
+
+ init->argw.argv[i] = NULL;
+ return 1;
}
static struct transport slirp_transport = {
-#include <stdio.h>
-#include <stdlib.h>
+/*
+ * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL.
+ */
+
#include <unistd.h>
-#include <stddef.h>
-#include <sched.h>
-#include <string.h>
#include <errno.h>
+#include <string.h>
#include <sys/wait.h>
-#include <sys/signal.h>
-#include "kern_util.h"
-#include "user.h"
+#include "kern_constants.h"
#include "net_user.h"
-#include "slirp.h"
-#include "slip_common.h"
#include "os.h"
+#include "slirp.h"
+#include "user.h"
static int slirp_user_init(void *data, void *dev)
{
{
struct slirp_pre_exec_data *data = arg;
- if(data->stdin != -1) dup2(data->stdin, 0);
- if(data->stdout != -1) dup2(data->stdout, 1);
+ if (data->stdin != -1)
+ dup2(data->stdin, 0);
+ if (data->stdout != -1)
+ dup2(data->stdout, 1);
}
static int slirp_tramp(char **argv, int fd)
pe_data.stdout = fd;
pid = run_helper(slirp_pre_exec, &pe_data, argv);
- return(pid);
+ return pid;
}
static int slirp_open(void *data)
int fds[2], pid, err;
err = os_pipe(fds, 1, 1);
- if(err)
- return(err);
+ if (err)
+ return err;
err = slirp_tramp(pri->argw.argv, fds[1]);
- if(err < 0){
- printk("slirp_tramp failed - errno = %d\n", -err);
+ if (err < 0) {
+ printk(UM_KERN_ERR "slirp_tramp failed - errno = %d\n", -err);
goto out;
}
pid = err;
pri->slip.esc = 0;
pri->pid = err;
- return(fds[0]);
+ return fds[0];
out:
- os_close_file(fds[0]);
- os_close_file(fds[1]);
+ close(fds[0]);
+ close(fds[1]);
return err;
}
struct slirp_data *pri = data;
int status,err;
- os_close_file(fd);
- os_close_file(pri->slave);
+ close(fd);
+ close(pri->slave);
pri->slave = -1;
- if(pri->pid<1) {
- printk("slirp_close: no child process to shut down\n");
+ if (pri->pid<1) {
+ printk(UM_KERN_ERR "slirp_close: no child process to shut "
+ "down\n");
return;
}
#if 0
- if(kill(pri->pid, SIGHUP)<0) {
- printk("slirp_close: sending hangup to %d failed (%d)\n",
- pri->pid, errno);
+ if (kill(pri->pid, SIGHUP)<0) {
+ printk(UM_KERN_ERR "slirp_close: sending hangup to %d failed "
+ "(%d)\n", pri->pid, errno);
}
#endif
CATCH_EINTR(err = waitpid(pri->pid, &status, WNOHANG));
- if(err < 0) {
- printk("slirp_close: waitpid returned %d\n", errno);
+ if (err < 0) {
+ printk(UM_KERN_ERR "slirp_close: waitpid returned %d\n", errno);
return;
}
- if(err == 0) {
- printk("slirp_close: process %d has not exited\n", pri->pid);
+ if (err == 0) {
+ printk(UM_KERN_ERR "slirp_close: process %d has not exited\n",
+ pri->pid);
return;
}
static int slirp_set_mtu(int mtu, void *data)
{
- return(mtu);
+ return mtu;
}
const struct net_user_info slirp_user_info = {
*
*/
-#include "linux/kernel.h"
#include "linux/init.h"
-#include "linux/netdevice.h"
-#include "linux/etherdevice.h"
+#include <linux/netdevice.h>
#include "net_kern.h"
#include "net_user.h"
#include "vde.h"
vpri->conn = NULL;
vpri->dev = dev;
- printk(KERN_INFO "vde backend - %s, ", vpri->vde_switch ?
+ printk("vde backend - %s, ", vpri->vde_switch ?
vpri->vde_switch : "(default socket)");
vde_init_libstuff(vpri, init);
- printk(KERN_INFO "\n");
+ printk("\n");
}
static int vde_read(int fd, struct sk_buff **skb, struct uml_net_private *lp)
* Licensed under the GPL.
*/
+#include <stddef.h>
#include <errno.h>
-#include <unistd.h>
#include <libvdeplug.h>
-#include "net_user.h"
-#include "kern_util.h"
#include "kern_constants.h"
-#include "user.h"
-#include "os.h"
+#include "net_user.h"
#include "um_malloc.h"
+#include "user.h"
#include "vde.h"
#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
/*
- * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
+#ifndef __DRIVERS_ETAP_H
+#define __DRIVERS_ETAP_H
+
#include "net_user.h"
struct ethertap_data {
extern const struct net_user_info ethertap_user_info;
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+#endif
/*
- * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
+ * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net).
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2001 by various other people who didn't put their name here.
* Licensed under the GPL.
*/
#include "linux/init.h"
-#include "linux/netdevice.h"
-#include "linux/etherdevice.h"
-#include "net_kern.h"
-#include "net_user.h"
+#include <linux/netdevice.h>
#include "etap.h"
+#include "net_kern.h"
struct ethertap_init {
char *dev_name;
int len;
*skb = ether_adjust_skb(*skb, ETH_HEADER_ETHERTAP);
- if(*skb == NULL) return(-ENOMEM);
+ if (*skb == NULL)
+ return -ENOMEM;
len = net_recvfrom(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + 2 * ETH_HEADER_ETHERTAP);
- if(len <= 0) return(len);
+ if (len <= 0)
+ return len;
skb_pull(*skb, 2);
len -= 2;
- return(len);
+ return len;
}
static int etap_write(int fd, struct sk_buff **skb, struct uml_net_private *lp)
{
- if(skb_headroom(*skb) < 2){
+ if (skb_headroom(*skb) < 2) {
struct sk_buff *skb2;
skb2 = skb_realloc_headroom(*skb, 2);
dev_kfree_skb(*skb);
- if (skb2 == NULL) return(-ENOMEM);
+ if (skb2 == NULL)
+ return -ENOMEM;
*skb = skb2;
}
skb_push(*skb, 2);
- return(net_send(fd, (*skb)->data, (*skb)->len));
+ return net_send(fd, (*skb)->data, (*skb)->len);
}
const struct net_kern_info ethertap_kern_info = {
*init = ((struct ethertap_init)
{ .dev_name = NULL,
.gate_addr = NULL });
- if(tap_setup_common(str, "ethertap", &init->dev_name, mac_out,
+ if (tap_setup_common(str, "ethertap", &init->dev_name, mac_out,
&init->gate_addr))
- return(0);
- if(init->dev_name == NULL){
- printk("ethertap_setup : Missing tap device name\n");
- return(0);
+ return 0;
+ if (init->dev_name == NULL) {
+ printk(KERN_ERR "ethertap_setup : Missing tap device name\n");
+ return 0;
}
- return(1);
+ return 1;
}
static struct transport ethertap_transport = {
/*
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here.
#include <stdio.h>
#include <unistd.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <sys/errno.h>
+#include <errno.h>
+#include <string.h>
#include <sys/socket.h>
#include <sys/wait.h>
-#include <sys/un.h>
-#include <net/if.h>
-#include "user.h"
-#include "kern_util.h"
-#include "net_user.h"
#include "etap.h"
+#include "kern_constants.h"
#include "os.h"
+#include "net_user.h"
#include "um_malloc.h"
-#include "kern_constants.h"
+#include "user.h"
#define MAX_PACKET ETH_MAX_PACKET
memcpy(change.addr, addr, sizeof(change.addr));
memcpy(change.netmask, netmask, sizeof(change.netmask));
CATCH_EINTR(n = write(fd, &change, sizeof(change)));
- if(n != sizeof(change)){
- printk("etap_change - request failed, err = %d\n", errno);
+ if (n != sizeof(change)) {
+ printk(UM_KERN_ERR "etap_change - request failed, err = %d\n",
+ errno);
return;
}
output = kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL);
- if(output == NULL)
- printk("etap_change : Failed to allocate output buffer\n");
+ if (output == NULL)
+ printk(UM_KERN_ERR "etap_change : Failed to allocate output "
+ "buffer\n");
read_output(fd, output, UM_KERN_PAGE_SIZE);
- if(output != NULL){
+ if (output != NULL) {
printk("%s", output);
kfree(output);
}
sprintf(data_fd_buf, "%d", data_remote);
sprintf(version_buf, "%d", UML_NET_VERSION);
- if(gate != NULL){
+ if (gate != NULL) {
strcpy(gate_buf, gate);
args = setup_args;
}
pe_data.data_me = data_me;
pid = run_helper(etap_pre_exec, &pe_data, args);
- if(pid < 0)
+ if (pid < 0)
err = pid;
close(data_remote);
close(control_remote);
CATCH_EINTR(n = read(control_me, &c, sizeof(c)));
- if(n != sizeof(c)){
+ if (n != sizeof(c)) {
err = -errno;
- printk("etap_tramp : read of status failed, err = %d\n", -err);
+ printk(UM_KERN_ERR "etap_tramp : read of status failed, "
+ "err = %d\n", -err);
return err;
}
- if(c != 1){
- printk("etap_tramp : uml_net failed\n");
+ if (c != 1) {
+ printk(UM_KERN_ERR "etap_tramp : uml_net failed\n");
err = -EINVAL;
CATCH_EINTR(n = waitpid(pid, &status, 0));
- if(n < 0)
+ if (n < 0)
err = -errno;
- else if(!WIFEXITED(status) || (WEXITSTATUS(status) != 1))
- printk("uml_net didn't exit with status 1\n");
+ else if (!WIFEXITED(status) || (WEXITSTATUS(status) != 1))
+ printk(UM_KERN_ERR "uml_net didn't exit with "
+ "status 1\n");
}
return err;
}
int data_fds[2], control_fds[2], err, output_len;
err = tap_open_common(pri->dev, pri->gate_addr);
- if(err)
+ if (err)
return err;
err = socketpair(AF_UNIX, SOCK_DGRAM, 0, data_fds);
- if(err){
+ if (err) {
err = -errno;
- printk("etap_open - data socketpair failed - err = %d\n",
- errno);
+ printk(UM_KERN_ERR "etap_open - data socketpair failed - "
+ "err = %d\n", errno);
return err;
}
err = socketpair(AF_UNIX, SOCK_STREAM, 0, control_fds);
- if(err){
+ if (err) {
err = -errno;
- printk("etap_open - control socketpair failed - err = %d\n",
- errno);
+ printk(UM_KERN_ERR "etap_open - control socketpair failed - "
+ "err = %d\n", errno);
goto out_close_data;
}
output = kmalloc(output_len, UM_GFP_KERNEL);
read_output(control_fds[0], output, output_len);
- if(output == NULL)
- printk("etap_open : failed to allocate output buffer\n");
+ if (output == NULL)
+ printk(UM_KERN_ERR "etap_open : failed to allocate output "
+ "buffer\n");
else {
printk("%s", output);
kfree(output);
}
- if(err < 0){
- printk("etap_tramp failed - err = %d\n", -err);
+ if (err < 0) {
+ printk(UM_KERN_ERR "etap_tramp failed - err = %d\n", -err);
goto out_close_control;
}
iter_addresses(pri->dev, etap_close_addr, &pri->control_fd);
close(fd);
- if(shutdown(pri->data_fd, SHUT_RDWR) < 0)
- printk("etap_close - shutdown data socket failed, errno = %d\n",
- errno);
-
- if(shutdown(pri->control_fd, SHUT_RDWR) < 0)
- printk("etap_close - shutdown control socket failed, "
+ if (shutdown(pri->data_fd, SHUT_RDWR) < 0)
+ printk(UM_KERN_ERR "etap_close - shutdown data socket failed, "
"errno = %d\n", errno);
+ if (shutdown(pri->control_fd, SHUT_RDWR) < 0)
+ printk(UM_KERN_ERR "etap_close - shutdown control socket "
+ "failed, errno = %d\n", errno);
+
close(pri->data_fd);
pri->data_fd = -1;
close(pri->control_fd);
struct ethertap_data *pri = data;
tap_check_ips(pri->gate_addr, addr);
- if(pri->control_fd == -1)
+ if (pri->control_fd == -1)
return;
etap_open_addr(addr, netmask, &pri->control_fd);
}
{
struct ethertap_data *pri = data;
- if(pri->control_fd == -1)
+ if (pri->control_fd == -1)
return;
etap_close_addr(addr, netmask, &pri->control_fd);
/*
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
extern const struct net_user_info tuntap_user_info;
#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
-/*
- * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
+/*
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
-#include "linux/stddef.h"
-#include "linux/netdevice.h"
-#include "linux/etherdevice.h"
-#include "linux/skbuff.h"
-#include "linux/init.h"
-#include "asm/errno.h"
+#include <linux/netdevice.h>
+#include <linux/init.h>
+#include <linux/skbuff.h>
+#include <asm/errno.h>
#include "net_kern.h"
-#include "net_user.h"
#include "tuntap.h"
struct tuntap_init {
printk("\n");
}
-static int tuntap_read(int fd, struct sk_buff **skb,
+static int tuntap_read(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
- if(*skb == NULL) return(-ENOMEM);
- return(net_read(fd, skb_mac_header(*skb),
- (*skb)->dev->mtu + ETH_HEADER_OTHER));
+ if (*skb == NULL)
+ return -ENOMEM;
+ return net_read(fd, skb_mac_header(*skb),
+ (*skb)->dev->mtu + ETH_HEADER_OTHER);
}
-static int tuntap_write(int fd, struct sk_buff **skb,
+static int tuntap_write(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
- return(net_write(fd, (*skb)->data, (*skb)->len));
+ return net_write(fd, (*skb)->data, (*skb)->len);
}
const struct net_kern_info tuntap_kern_info = {
*init = ((struct tuntap_init)
{ .dev_name = NULL,
.gate_addr = NULL });
- if(tap_setup_common(str, "tuntap", &init->dev_name, mac_out,
+ if (tap_setup_common(str, "tuntap", &init->dev_name, mac_out,
&init->gate_addr))
- return(0);
+ return 0;
- return(1);
+ return 1;
}
static struct transport tuntap_transport = {
/*
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <stdio.h>
-#include <stddef.h>
-#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
-#include <sys/wait.h>
+#include <string.h>
+#include <linux/if_tun.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
#include <sys/socket.h>
-#include <sys/un.h>
+#include <sys/wait.h>
#include <sys/uio.h>
-#include <sys/ioctl.h>
-#include <net/if.h>
-#include <linux/if_tun.h>
-#include "net_user.h"
+#include "kern_constants.h"
+#include "os.h"
#include "tuntap.h"
-#include "kern_util.h"
#include "user.h"
-#include "os.h"
#define MAX_PACKET ETH_MAX_PACKET
struct tuntap_data *pri = data;
tap_check_ips(pri->gate_addr, addr);
- if((pri->fd == -1) || pri->fixed_config)
+ if ((pri->fd == -1) || pri->fixed_config)
return;
open_addr(addr, netmask, pri->dev_name);
}
{
struct tuntap_data *pri = data;
- if((pri->fd == -1) || pri->fixed_config)
+ if ((pri->fd == -1) || pri->fixed_config)
return;
close_addr(addr, netmask, pri->dev_name);
}
pid = run_helper(tuntap_pre_exec, &data, argv);
- if(pid < 0)
+ if (pid < 0)
return -pid;
close(remote);
msg.msg_name = NULL;
msg.msg_namelen = 0;
- if(buffer != NULL){
+ if (buffer != NULL) {
iov = ((struct iovec) { buffer, buffer_len });
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_flags = 0;
n = recvmsg(me, &msg, 0);
*used_out = n;
- if(n < 0){
+ if (n < 0) {
err = -errno;
- printk("tuntap_open_tramp : recvmsg failed - errno = %d\n",
- errno);
+ printk(UM_KERN_ERR "tuntap_open_tramp : recvmsg failed - "
+ "errno = %d\n", errno);
return err;
}
CATCH_EINTR(waitpid(pid, NULL, 0));
cmsg = CMSG_FIRSTHDR(&msg);
- if(cmsg == NULL){
- printk("tuntap_open_tramp : didn't receive a message\n");
+ if (cmsg == NULL) {
+ printk(UM_KERN_ERR "tuntap_open_tramp : didn't receive a "
+ "message\n");
return -EINVAL;
}
- if((cmsg->cmsg_level != SOL_SOCKET) ||
- (cmsg->cmsg_type != SCM_RIGHTS)){
- printk("tuntap_open_tramp : didn't receive a descriptor\n");
+ if ((cmsg->cmsg_level != SOL_SOCKET) ||
+ (cmsg->cmsg_type != SCM_RIGHTS)) {
+ printk(UM_KERN_ERR "tuntap_open_tramp : didn't receive a "
+ "descriptor\n");
return -EINVAL;
}
*fd_out = ((int *) CMSG_DATA(cmsg))[0];
int err, fds[2], len, used;
err = tap_open_common(pri->dev, pri->gate_addr);
- if(err < 0)
+ if (err < 0)
return err;
- if(pri->fixed_config){
+ if (pri->fixed_config) {
pri->fd = os_open_file("/dev/net/tun",
of_cloexec(of_rdwr(OPENFLAGS())), 0);
- if(pri->fd < 0){
- printk("Failed to open /dev/net/tun, err = %d\n",
- -pri->fd);
+ if (pri->fd < 0) {
+ printk(UM_KERN_ERR "Failed to open /dev/net/tun, "
+ "err = %d\n", -pri->fd);
return pri->fd;
}
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
strlcpy(ifr.ifr_name, pri->dev_name, sizeof(ifr.ifr_name));
- if(ioctl(pri->fd, TUNSETIFF, (void *) &ifr) < 0){
+ if (ioctl(pri->fd, TUNSETIFF, (void *) &ifr) < 0) {
err = -errno;
- printk("TUNSETIFF failed, errno = %d\n", errno);
+ printk(UM_KERN_ERR "TUNSETIFF failed, errno = %d\n",
+ errno);
close(pri->fd);
return err;
}
}
else {
err = socketpair(AF_UNIX, SOCK_DGRAM, 0, fds);
- if(err){
+ if (err) {
err = -errno;
- printk("tuntap_open : socketpair failed - errno = %d\n",
- errno);
+ printk(UM_KERN_ERR "tuntap_open : socketpair failed - "
+ "errno = %d\n", errno);
return err;
}
buffer = get_output_buffer(&len);
- if(buffer != NULL)
+ if (buffer != NULL)
len--;
used = 0;
fds[1], buffer, len, &used);
output = buffer;
- if(err < 0) {
+ if (err < 0) {
printk("%s", output);
free_output_buffer(buffer);
- printk("tuntap_open_tramp failed - err = %d\n", -err);
+ printk(UM_KERN_ERR "tuntap_open_tramp failed - "
+ "err = %d\n", -err);
return err;
}
{
struct tuntap_data *pri = data;
- if(!pri->fixed_config)
+ if (!pri->fixed_config)
iter_addresses(pri->dev, close_addr, pri->dev_name);
close(fd);
pri->fd = -1;
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff