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Commit cd1ae0e4 authored by Jeff Dike's avatar Jeff Dike Committed by Linus Torvalds
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uml: network formatting 

Style and other non-functional changes in the UML networking code, including
	include tidying
	style violations
	copyright updates
	printks getting severities
	userspace code calling libc directly rather than using the os_*
wrappers

There's also a exit path cleanup in the pcap driver.
Signed-off-by: default avatarJeff Dike <jdike@linux.intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1a805219
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Showing with 602 additions and 616 deletions
arch/um/drivers/daemon.h
View file @ cd1ae0e4
/* /*
* Copyright (C) 2001 Jeff Dike (jdike@karaya.com) * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
#ifndef __DAEMON_H__
#define __DAEMON_H__
#include "net_user.h" #include "net_user.h"
#define SWITCH_VERSION 3 #define SWITCH_VERSION 3
...@@ -20,16 +23,7 @@ struct daemon_data { ...@@ -20,16 +23,7 @@ struct daemon_data {
extern const struct net_user_info daemon_user_info; 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); struct daemon_data *pri);
/* #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:
*/
arch/um/drivers/daemon_kern.c
View file @ cd1ae0e4
/* /*
* Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net). * 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. * Copyright (C) 2001 by various other people who didn't put their name here.
* Licensed under the GPL. * Licensed under the GPL.
*/ */
#include "linux/kernel.h"
#include "linux/init.h" #include "linux/init.h"
#include "linux/netdevice.h" #include <linux/netdevice.h>
#include "linux/etherdevice.h"
#include "net_kern.h" #include "net_kern.h"
#include "net_user.h"
#include "daemon.h" #include "daemon.h"
struct daemon_init { struct daemon_init {
...@@ -36,25 +34,26 @@ static void daemon_init(struct net_device *dev, void *data) ...@@ -36,25 +34,26 @@ static void daemon_init(struct net_device *dev, void *data)
dpri->data_addr = NULL; dpri->data_addr = NULL;
dpri->local_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); SWITCH_VERSION, dpri->sock_type, dpri->ctl_sock);
printk("\n"); 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) struct uml_net_private *lp)
{ {
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER); *skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
if(*skb == NULL) return(-ENOMEM); if (*skb == NULL)
return(net_recvfrom(fd, skb_mac_header(*skb), return -ENOMEM;
(*skb)->dev->mtu + ETH_HEADER_OTHER)); return net_recvfrom(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + ETH_HEADER_OTHER);
} }
static int daemon_write(int fd, struct sk_buff **skb, static int daemon_write(int fd, struct sk_buff **skb,
struct uml_net_private *lp) struct uml_net_private *lp)
{ {
return(daemon_user_write(fd, (*skb)->data, (*skb)->len, return daemon_user_write(fd, (*skb)->data, (*skb)->len,
(struct daemon_data *) &lp->user)); (struct daemon_data *) &lp->user);
} }
static const struct net_kern_info daemon_kern_info = { static const struct net_kern_info daemon_kern_info = {
...@@ -72,14 +71,14 @@ static int daemon_setup(char *str, char **mac_out, void *data) ...@@ -72,14 +71,14 @@ static int daemon_setup(char *str, char **mac_out, void *data)
*init = ((struct daemon_init) *init = ((struct daemon_init)
{ .sock_type = "unix", { .sock_type = "unix",
.ctl_sock = "/tmp/uml.ctl" }); .ctl_sock = "/tmp/uml.ctl" });
remain = split_if_spec(str, mac_out, &init->sock_type, &init->ctl_sock, remain = split_if_spec(str, mac_out, &init->sock_type, &init->ctl_sock,
NULL); NULL);
if(remain != NULL) if (remain != NULL)
printk(KERN_WARNING "daemon_setup : Ignoring data socket " printk(KERN_WARNING "daemon_setup : Ignoring data socket "
"specification\n"); "specification\n");
return(1); return 1;
} }
static struct transport daemon_transport = { static struct transport daemon_transport = {
......
arch/um/drivers/daemon_user.c
View file @ cd1ae0e4
/* /*
* 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). * James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here. * Copyright (C) 2001 by various other people who didn't put their name here.
* Licensed under the GPL. * Licensed under the GPL.
*/ */
#include <errno.h>
#include <unistd.h>
#include <stdint.h> #include <stdint.h>
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h> #include <sys/socket.h>
#include <sys/un.h>
#include <sys/time.h> #include <sys/time.h>
#include "net_user.h" #include <sys/un.h>
#include "daemon.h" #include "daemon.h"
#include "kern_util.h" #include "net_user.h"
#include "user.h"
#include "os.h" #include "os.h"
#include "um_malloc.h" #include "um_malloc.h"
#include "user.h"
#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER) #define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
...@@ -36,8 +37,9 @@ static struct sockaddr_un *new_addr(void *name, int len) ...@@ -36,8 +37,9 @@ static struct sockaddr_un *new_addr(void *name, int len)
struct sockaddr_un *sun; struct sockaddr_un *sun;
sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL); sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
if(sun == NULL){ if (sun == NULL) {
printk("new_addr: allocation of sockaddr_un failed\n"); printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
"failed\n");
return NULL; return NULL;
} }
sun->sun_family = AF_UNIX; sun->sun_family = AF_UNIX;
...@@ -54,38 +56,39 @@ static int connect_to_switch(struct daemon_data *pri) ...@@ -54,38 +56,39 @@ static int connect_to_switch(struct daemon_data *pri)
int fd, n, err; int fd, n, err;
pri->control = socket(AF_UNIX, SOCK_STREAM, 0); pri->control = socket(AF_UNIX, SOCK_STREAM, 0);
if(pri->control < 0){ if (pri->control < 0) {
err = -errno; err = -errno;
printk("daemon_open : control socket failed, errno = %d\n", printk(UM_KERN_ERR "daemon_open : control socket failed, "
-err); "errno = %d\n", -err);
return err; return err;
} }
if(connect(pri->control, (struct sockaddr *) ctl_addr, if (connect(pri->control, (struct sockaddr *) ctl_addr,
sizeof(*ctl_addr)) < 0){ sizeof(*ctl_addr)) < 0) {
err = -errno; err = -errno;
printk("daemon_open : control connect failed, errno = %d\n", printk(UM_KERN_ERR "daemon_open : control connect failed, "
-err); "errno = %d\n", -err);
goto out; goto out;
} }
fd = socket(AF_UNIX, SOCK_DGRAM, 0); fd = socket(AF_UNIX, SOCK_DGRAM, 0);
if(fd < 0){ if (fd < 0) {
err = -errno; err = -errno;
printk("daemon_open : data socket failed, errno = %d\n", printk(UM_KERN_ERR "daemon_open : data socket failed, "
-err); "errno = %d\n", -err);
goto out; 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; err = -errno;
printk("daemon_open : data bind failed, errno = %d\n", printk(UM_KERN_ERR "daemon_open : data bind failed, "
-err); "errno = %d\n", -err);
goto out_close; goto out_close;
} }
sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL); sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
if(sun == NULL){ if (sun == NULL) {
printk("new_addr: allocation of sockaddr_un failed\n"); printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
"failed\n");
err = -ENOMEM; err = -ENOMEM;
goto out_close; goto out_close;
} }
...@@ -94,18 +97,18 @@ static int connect_to_switch(struct daemon_data *pri) ...@@ -94,18 +97,18 @@ static int connect_to_switch(struct daemon_data *pri)
req.version = SWITCH_VERSION; req.version = SWITCH_VERSION;
req.type = REQ_NEW_CONTROL; req.type = REQ_NEW_CONTROL;
req.sock = *local_addr; req.sock = *local_addr;
n = os_write_file(pri->control, &req, sizeof(req)); n = write(pri->control, &req, sizeof(req));
if(n != sizeof(req)){ if (n != sizeof(req)) {
printk("daemon_open : control setup request failed, err = %d\n", printk(UM_KERN_ERR "daemon_open : control setup request "
-n); "failed, err = %d\n", -errno);
err = -ENOTCONN; err = -ENOTCONN;
goto out_free; goto out_free;
} }
n = os_read_file(pri->control, sun, sizeof(*sun)); n = read(pri->control, sun, sizeof(*sun));
if(n != sizeof(*sun)){ if (n != sizeof(*sun)) {
printk("daemon_open : read of data socket failed, err = %d\n", printk(UM_KERN_ERR "daemon_open : read of data socket failed, "
-n); "err = %d\n", -errno);
err = -ENOTCONN; err = -ENOTCONN;
goto out_free; goto out_free;
} }
...@@ -116,9 +119,9 @@ static int connect_to_switch(struct daemon_data *pri) ...@@ -116,9 +119,9 @@ static int connect_to_switch(struct daemon_data *pri)
out_free: out_free:
kfree(sun); kfree(sun);
out_close: out_close:
os_close_file(fd); close(fd);
out: out:
os_close_file(pri->control); close(pri->control);
return err; return err;
} }
...@@ -132,8 +135,8 @@ static int daemon_user_init(void *data, void *dev) ...@@ -132,8 +135,8 @@ static int daemon_user_init(void *data, void *dev)
int usecs; int usecs;
} name; } name;
if(!strcmp(pri->sock_type, "unix")) if (!strcmp(pri->sock_type, "unix"))
pri->ctl_addr = new_addr(pri->ctl_sock, pri->ctl_addr = new_addr(pri->ctl_sock,
strlen(pri->ctl_sock) + 1); strlen(pri->ctl_sock) + 1);
name.zero = 0; name.zero = 0;
name.pid = os_getpid(); name.pid = os_getpid();
...@@ -142,7 +145,7 @@ static int daemon_user_init(void *data, void *dev) ...@@ -142,7 +145,7 @@ static int daemon_user_init(void *data, void *dev)
pri->local_addr = new_addr(&name, sizeof(name)); pri->local_addr = new_addr(&name, sizeof(name));
pri->dev = dev; pri->dev = dev;
pri->fd = connect_to_switch(pri); pri->fd = connect_to_switch(pri);
if(pri->fd < 0){ if (pri->fd < 0) {
kfree(pri->local_addr); kfree(pri->local_addr);
pri->local_addr = NULL; pri->local_addr = NULL;
return pri->fd; return pri->fd;
...@@ -161,9 +164,9 @@ static void daemon_remove(void *data) ...@@ -161,9 +164,9 @@ static void daemon_remove(void *data)
{ {
struct daemon_data *pri = data; struct daemon_data *pri = data;
os_close_file(pri->fd); close(pri->fd);
pri->fd = -1; pri->fd = -1;
os_close_file(pri->control); close(pri->control);
pri->control = -1; pri->control = -1;
kfree(pri->data_addr); kfree(pri->data_addr);
......
arch/um/drivers/mcast.h
View file @ cd1ae0e4
/* /*
* Copyright (C) 2001 Jeff Dike (jdike@karaya.com) * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
#ifndef __DRIVERS_MCAST_H
#define __DRIVERS_MCAST_H
#include "net_user.h" #include "net_user.h"
struct mcast_data { struct mcast_data {
...@@ -18,13 +21,4 @@ extern const struct net_user_info mcast_user_info; ...@@ -18,13 +21,4 @@ extern const struct net_user_info mcast_user_info;
extern int mcast_user_write(int fd, void *buf, int len, extern int mcast_user_write(int fd, void *buf, int len,
struct mcast_data *pri); struct mcast_data *pri);
/* #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:
*/
arch/um/drivers/mcast_kern.c
View file @ cd1ae0e4
/* /*
* user-mode-linux networking multicast transport * user-mode-linux networking multicast transport
* Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org> * 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 * 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). * James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here. * Copyright (C) 2001 by various other people who didn't put their name here.
* *
* Licensed under the GPL. * Licensed under the GPL.
*/ */
#include "linux/kernel.h"
#include "linux/init.h" #include "linux/init.h"
#include "linux/netdevice.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 "mcast.h" #include "mcast.h"
#include "net_kern.h"
struct mcast_init { struct mcast_init {
char *addr; char *addr;
...@@ -39,26 +35,23 @@ static void mcast_init(struct net_device *dev, void *data) ...@@ -39,26 +35,23 @@ static void mcast_init(struct net_device *dev, void *data)
dpri->ttl = init->ttl; dpri->ttl = init->ttl;
dpri->dev = dev; dpri->dev = dev;
printk("mcast backend "); printk("mcast backend multicast address: %s:%u, TTL:%u\n",
printk("multicast address: %s:%u, TTL:%u ",
dpri->addr, dpri->port, dpri->ttl); dpri->addr, dpri->port, dpri->ttl);
printk("\n");
} }
static int mcast_read(int fd, struct sk_buff **skb, struct uml_net_private *lp) static int mcast_read(int fd, struct sk_buff **skb, struct uml_net_private *lp)
{ {
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER); *skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
if(*skb == NULL) return(-ENOMEM); if (*skb == NULL)
return(net_recvfrom(fd, skb_mac_header(*skb), return -ENOMEM;
(*skb)->dev->mtu + ETH_HEADER_OTHER)); return net_recvfrom(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + ETH_HEADER_OTHER);
} }
static int mcast_write(int fd, struct sk_buff **skb, static int mcast_write(int fd, struct sk_buff **skb, struct uml_net_private *lp)
struct uml_net_private *lp)
{ {
return mcast_user_write(fd, (*skb)->data, (*skb)->len, return mcast_user_write(fd, (*skb)->data, (*skb)->len,
(struct mcast_data *) &lp->user); (struct mcast_data *) &lp->user);
} }
static const struct net_kern_info mcast_kern_info = { static const struct net_kern_info mcast_kern_info = {
...@@ -81,34 +74,34 @@ int mcast_setup(char *str, char **mac_out, void *data) ...@@ -81,34 +74,34 @@ int mcast_setup(char *str, char **mac_out, void *data)
remain = split_if_spec(str, mac_out, &init->addr, &port_str, &ttl_str, remain = split_if_spec(str, mac_out, &init->addr, &port_str, &ttl_str,
NULL); NULL);
if(remain != NULL){ if (remain != NULL) {
printk(KERN_ERR "mcast_setup - Extra garbage on " printk(KERN_ERR "mcast_setup - Extra garbage on "
"specification : '%s'\n", remain); "specification : '%s'\n", remain);
return(0); return 0;
} }
if(port_str != NULL){ if (port_str != NULL) {
init->port = simple_strtoul(port_str, &last, 10); init->port = simple_strtoul(port_str, &last, 10);
if((*last != '\0') || (last == port_str)){ if ((*last != '\0') || (last == port_str)) {
printk(KERN_ERR "mcast_setup - Bad port : '%s'\n", printk(KERN_ERR "mcast_setup - Bad port : '%s'\n",
port_str); port_str);
return(0); return 0;
} }
} }
if(ttl_str != NULL){ if (ttl_str != NULL) {
init->ttl = simple_strtoul(ttl_str, &last, 10); init->ttl = simple_strtoul(ttl_str, &last, 10);
if((*last != '\0') || (last == ttl_str)){ if ((*last != '\0') || (last == ttl_str)) {
printk(KERN_ERR "mcast_setup - Bad ttl : '%s'\n", printk(KERN_ERR "mcast_setup - Bad ttl : '%s'\n",
ttl_str); ttl_str);
return(0); return 0;
} }
} }
printk(KERN_INFO "Configured mcast device: %s:%u-%u\n", init->addr, printk(KERN_INFO "Configured mcast device: %s:%u-%u\n", init->addr,
init->port, init->ttl); init->port, init->ttl);
return(1); return 1;
} }
static struct transport mcast_transport = { static struct transport mcast_transport = {
......
arch/um/drivers/mcast_user.c
View file @ cd1ae0e4
/* /*
* user-mode-linux networking multicast 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> * Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org>
* *
* based on the existing uml-networking code, which is * 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). * James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here. * Copyright (C) 2001 by various other people who didn't put their name here.
* *
...@@ -11,18 +12,13 @@ ...@@ -11,18 +12,13 @@
* *
*/ */
#include <errno.h>
#include <unistd.h> #include <unistd.h>
#include <sys/socket.h> #include <errno.h>
#include <sys/un.h>
#include <sys/time.h>
#include <netinet/in.h> #include <netinet/in.h>
#include "net_user.h"
#include "mcast.h" #include "mcast.h"
#include "kern_util.h" #include "net_user.h"
#include "user.h"
#include "os.h"
#include "um_malloc.h" #include "um_malloc.h"
#include "user.h"
#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER) #define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
...@@ -31,8 +27,9 @@ static struct sockaddr_in *new_addr(char *addr, unsigned short port) ...@@ -31,8 +27,9 @@ static struct sockaddr_in *new_addr(char *addr, unsigned short port)
struct sockaddr_in *sin; struct sockaddr_in *sin;
sin = kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL); sin = kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
if(sin == NULL){ if (sin == NULL) {
printk("new_addr: allocation of sockaddr_in failed\n"); printk(UM_KERN_ERR "new_addr: allocation of sockaddr_in "
"failed\n");
return NULL; return NULL;
} }
sin->sin_family = AF_INET; sin->sin_family = AF_INET;
...@@ -71,17 +68,17 @@ static int mcast_open(void *data) ...@@ -71,17 +68,17 @@ static int mcast_open(void *data)
fd = socket(AF_INET, SOCK_DGRAM, 0); fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd < 0){ if (fd < 0) {
err = -errno; err = -errno;
printk("mcast_open : data socket failed, errno = %d\n", printk(UM_KERN_ERR "mcast_open : data socket failed, "
errno); "errno = %d\n", errno);
goto out; goto out;
} }
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) { if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) {
err = -errno; err = -errno;
printk("mcast_open: SO_REUSEADDR failed, errno = %d\n", printk(UM_KERN_ERR "mcast_open: SO_REUSEADDR failed, "
errno); "errno = %d\n", errno);
goto out_close; goto out_close;
} }
...@@ -89,45 +86,46 @@ static int mcast_open(void *data) ...@@ -89,45 +86,46 @@ static int mcast_open(void *data)
if (setsockopt(fd, SOL_IP, IP_MULTICAST_TTL, &pri->ttl, if (setsockopt(fd, SOL_IP, IP_MULTICAST_TTL, &pri->ttl,
sizeof(pri->ttl)) < 0) { sizeof(pri->ttl)) < 0) {
err = -errno; err = -errno;
printk("mcast_open: IP_MULTICAST_TTL failed, error = %d\n", printk(UM_KERN_ERR "mcast_open: IP_MULTICAST_TTL failed, "
errno); "error = %d\n", errno);
goto out_close; goto out_close;
} }
/* set LOOP, so data does get fed back to local sockets */ /* set LOOP, so data does get fed back to local sockets */
if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) { if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) {
err = -errno; err = -errno;
printk("mcast_open: IP_MULTICAST_LOOP failed, error = %d\n", printk(UM_KERN_ERR "mcast_open: IP_MULTICAST_LOOP failed, "
errno); "error = %d\n", errno);
goto out_close; goto out_close;
} }
/* bind socket to mcast address */ /* bind socket to mcast address */
if (bind(fd, (struct sockaddr *) sin, sizeof(*sin)) < 0) { if (bind(fd, (struct sockaddr *) sin, sizeof(*sin)) < 0) {
err = -errno; 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; goto out_close;
} }
/* subscribe to the multicast group */ /* subscribe to the multicast group */
mreq.imr_multiaddr.s_addr = sin->sin_addr.s_addr; mreq.imr_multiaddr.s_addr = sin->sin_addr.s_addr;
mreq.imr_interface.s_addr = 0; 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) { &mreq, sizeof(mreq)) < 0) {
err = -errno; err = -errno;
printk("mcast_open: IP_ADD_MEMBERSHIP failed, error = %d\n", printk(UM_KERN_ERR "mcast_open: IP_ADD_MEMBERSHIP failed, "
errno); "error = %d\n", errno);
printk("There appears not to be a multicast-capable network " printk(UM_KERN_ERR "There appears not to be a multicast-"
"interface on the host.\n"); "capable network interface on the host.\n");
printk("eth0 should be configured in order to use the " printk(UM_KERN_ERR "eth0 should be configured in order to use "
"multicast transport.\n"); "the multicast transport.\n");
goto out_close; goto out_close;
} }
return fd; return fd;
out_close: out_close:
os_close_file(fd); close(fd);
out: out:
return err; return err;
} }
...@@ -142,11 +140,11 @@ static void mcast_close(int fd, void *data) ...@@ -142,11 +140,11 @@ static void mcast_close(int fd, void *data)
mreq.imr_interface.s_addr = 0; mreq.imr_interface.s_addr = 0;
if (setsockopt(fd, SOL_IP, IP_DROP_MEMBERSHIP, if (setsockopt(fd, SOL_IP, IP_DROP_MEMBERSHIP,
&mreq, sizeof(mreq)) < 0) { &mreq, sizeof(mreq)) < 0) {
printk("mcast_open: IP_DROP_MEMBERSHIP failed, error = %d\n", printk(UM_KERN_ERR "mcast_open: IP_DROP_MEMBERSHIP failed, "
errno); "error = %d\n", errno);
} }
os_close_file(fd); close(fd);
} }
int mcast_user_write(int fd, void *buf, int len, struct mcast_data *pri) int mcast_user_write(int fd, void *buf, int len, struct mcast_data *pri)
......
arch/um/drivers/net_kern.c
View file @ cd1ae0e4
/* /*
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net). * James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here. * Copyright (C) 2001 by various other people who didn't put their name here.
* Licensed under the GPL. * Licensed under the GPL.
*/ */
#include "linux/kernel.h" #include <linux/bootmem.h>
#include "linux/netdevice.h" #include <linux/etherdevice.h>
#include "linux/rtnetlink.h" #include <linux/ethtool.h>
#include "linux/skbuff.h" #include <linux/inetdevice.h>
#include "linux/socket.h" #include <linux/init.h>
#include "linux/spinlock.h" #include <linux/list.h>
#include "linux/module.h" #include <linux/netdevice.h>
#include "linux/init.h" #include <linux/platform_device.h>
#include "linux/etherdevice.h" #include <linux/rtnetlink.h>
#include "linux/list.h" #include <linux/skbuff.h>
#include "linux/inetdevice.h" #include <linux/spinlock.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 "init.h" #include "init.h"
#include "irq_user.h"
#include "irq_kern.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) static inline void set_ether_mac(struct net_device *dev, unsigned char *addr)
{ {
...@@ -84,12 +79,12 @@ irqreturn_t uml_net_interrupt(int irq, void *dev_id) ...@@ -84,12 +79,12 @@ irqreturn_t uml_net_interrupt(int irq, void *dev_id)
struct uml_net_private *lp = dev->priv; struct uml_net_private *lp = dev->priv;
int err; int err;
if(!netif_running(dev)) if (!netif_running(dev))
return(IRQ_NONE); return IRQ_NONE;
spin_lock(&lp->lock); spin_lock(&lp->lock);
while((err = uml_net_rx(dev)) > 0) ; while ((err = uml_net_rx(dev)) > 0) ;
if(err < 0) { if (err < 0) {
printk(KERN_ERR printk(KERN_ERR
"Device '%s' read returned %d, shutting it down\n", "Device '%s' read returned %d, shutting it down\n",
dev->name, err); dev->name, err);
...@@ -115,20 +110,20 @@ static int uml_net_open(struct net_device *dev) ...@@ -115,20 +110,20 @@ static int uml_net_open(struct net_device *dev)
struct uml_net_private *lp = dev->priv; struct uml_net_private *lp = dev->priv;
int err; int err;
if(lp->fd >= 0){ if (lp->fd >= 0) {
err = -ENXIO; err = -ENXIO;
goto out; goto out;
} }
lp->fd = (*lp->open)(&lp->user); lp->fd = (*lp->open)(&lp->user);
if(lp->fd < 0){ if (lp->fd < 0) {
err = lp->fd; err = lp->fd;
goto out; goto out;
} }
err = um_request_irq(dev->irq, lp->fd, IRQ_READ, uml_net_interrupt, err = um_request_irq(dev->irq, lp->fd, IRQ_READ, uml_net_interrupt,
IRQF_DISABLED | IRQF_SHARED, dev->name, dev); 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); printk(KERN_ERR "uml_net_open: failed to get irq(%d)\n", err);
err = -ENETUNREACH; err = -ENETUNREACH;
goto out_close; goto out_close;
...@@ -141,7 +136,7 @@ static int uml_net_open(struct net_device *dev) ...@@ -141,7 +136,7 @@ static int uml_net_open(struct net_device *dev)
* is full when we get here. In this case, new data is never queued, * is full when we get here. In this case, new data is never queued,
* SIGIOs never arrive, and the net never works. * 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); spin_lock(&opened_lock);
list_add(&lp->list, &opened); list_add(&lp->list, &opened);
...@@ -149,7 +144,7 @@ static int uml_net_open(struct net_device *dev) ...@@ -149,7 +144,7 @@ static int uml_net_open(struct net_device *dev)
return 0; return 0;
out_close: 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; lp->fd = -1;
out: out:
return err; return err;
...@@ -162,7 +157,7 @@ static int uml_net_close(struct net_device *dev) ...@@ -162,7 +157,7 @@ static int uml_net_close(struct net_device *dev)
netif_stop_queue(dev); netif_stop_queue(dev);
free_irq(dev->irq, dev); free_irq(dev->irq, dev);
if(lp->close != NULL) if (lp->close != NULL)
(*lp->close)(lp->fd, &lp->user); (*lp->close)(lp->fd, &lp->user);
lp->fd = -1; lp->fd = -1;
...@@ -185,7 +180,7 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev) ...@@ -185,7 +180,7 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
len = (*lp->write)(lp->fd, &skb, lp); len = (*lp->write)(lp->fd, &skb, lp);
if(len == skb->len) { if (len == skb->len) {
lp->stats.tx_packets++; lp->stats.tx_packets++;
lp->stats.tx_bytes += skb->len; lp->stats.tx_bytes += skb->len;
dev->trans_start = jiffies; dev->trans_start = jiffies;
...@@ -194,7 +189,7 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev) ...@@ -194,7 +189,7 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* this is normally done in the interrupt when tx finishes */ /* this is normally done in the interrupt when tx finishes */
netif_wake_queue(dev); netif_wake_queue(dev);
} }
else if(len == 0){ else if (len == 0) {
netif_start_queue(dev); netif_start_queue(dev);
lp->stats.tx_dropped++; lp->stats.tx_dropped++;
} }
...@@ -218,8 +213,10 @@ static struct net_device_stats *uml_net_get_stats(struct net_device *dev) ...@@ -218,8 +213,10 @@ static struct net_device_stats *uml_net_get_stats(struct net_device *dev)
static void uml_net_set_multicast_list(struct net_device *dev) static void uml_net_set_multicast_list(struct net_device *dev)
{ {
if (dev->flags & IFF_PROMISC) return; if (dev->flags & IFF_PROMISC)
else if (dev->mc_count) dev->flags |= IFF_ALLMULTI; return;
else if (dev->mc_count)
dev->flags |= IFF_ALLMULTI;
else dev->flags &= ~IFF_ALLMULTI; else dev->flags &= ~IFF_ALLMULTI;
} }
...@@ -249,7 +246,7 @@ static int uml_net_change_mtu(struct net_device *dev, int new_mtu) ...@@ -249,7 +246,7 @@ static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
spin_lock_irq(&lp->lock); spin_lock_irq(&lp->lock);
new_mtu = (*lp->set_mtu)(new_mtu, &lp->user); new_mtu = (*lp->set_mtu)(new_mtu, &lp->user);
if(new_mtu < 0){ if (new_mtu < 0) {
err = new_mtu; err = new_mtu;
goto out; goto out;
} }
...@@ -288,13 +285,13 @@ static void setup_etheraddr(char *str, unsigned char *addr, char *name) ...@@ -288,13 +285,13 @@ static void setup_etheraddr(char *str, unsigned char *addr, char *name)
char *end; char *end;
int i; int i;
if(str == NULL) if (str == NULL)
goto random; goto random;
for(i=0;i<6;i++){ for (i = 0;i < 6; i++) {
addr[i] = simple_strtoul(str, &end, 16); addr[i] = simple_strtoul(str, &end, 16);
if((end == str) || if ((end == str) ||
((*end != ':') && (*end != ',') && (*end != '\0'))){ ((*end != ':') && (*end != ',') && (*end != '\0'))) {
printk(KERN_ERR printk(KERN_ERR
"setup_etheraddr: failed to parse '%s' " "setup_etheraddr: failed to parse '%s' "
"as an ethernet address\n", str); "as an ethernet address\n", str);
...@@ -349,7 +346,7 @@ static void net_device_release(struct device *dev) ...@@ -349,7 +346,7 @@ static void net_device_release(struct device *dev)
struct net_device *netdev = device->dev; struct net_device *netdev = device->dev;
struct uml_net_private *lp = netdev->priv; struct uml_net_private *lp = netdev->priv;
if(lp->remove != NULL) if (lp->remove != NULL)
(*lp->remove)(&lp->user); (*lp->remove)(&lp->user);
list_del(&device->list); list_del(&device->list);
kfree(device); kfree(device);
...@@ -413,7 +410,7 @@ static void eth_configure(int n, void *init, char *mac, ...@@ -413,7 +410,7 @@ static void eth_configure(int n, void *init, char *mac,
device->pdev.name = DRIVER_NAME; device->pdev.name = DRIVER_NAME;
device->pdev.dev.release = net_device_release; device->pdev.dev.release = net_device_release;
device->pdev.dev.driver_data = device; device->pdev.dev.driver_data = device;
if(platform_device_register(&device->pdev)) if (platform_device_register(&device->pdev))
goto out_free_netdev; goto out_free_netdev;
SET_NETDEV_DEV(dev,&device->pdev.dev); SET_NETDEV_DEV(dev,&device->pdev.dev);
...@@ -493,9 +490,9 @@ static struct uml_net *find_device(int n) ...@@ -493,9 +490,9 @@ static struct uml_net *find_device(int n)
struct list_head *ele; struct list_head *ele;
spin_lock(&devices_lock); spin_lock(&devices_lock);
list_for_each(ele, &devices){ list_for_each(ele, &devices) {
device = list_entry(ele, struct uml_net, list); device = list_entry(ele, struct uml_net, list);
if(device->index == n) if (device->index == n)
goto out; goto out;
} }
device = NULL; device = NULL;
...@@ -511,19 +508,19 @@ static int eth_parse(char *str, int *index_out, char **str_out, ...@@ -511,19 +508,19 @@ static int eth_parse(char *str, int *index_out, char **str_out,
int n, err = -EINVAL;; int n, err = -EINVAL;;
n = simple_strtoul(str, &end, 0); n = simple_strtoul(str, &end, 0);
if(end == str){ if (end == str) {
*error_out = "Bad device number"; *error_out = "Bad device number";
return err; return err;
} }
str = end; str = end;
if(*str != '='){ if (*str != '=') {
*error_out = "Expected '=' after device number"; *error_out = "Expected '=' after device number";
return err; return err;
} }
str++; str++;
if(find_device(n)){ if (find_device(n)) {
*error_out = "Device already configured"; *error_out = "Device already configured";
return err; return err;
} }
...@@ -551,20 +548,20 @@ static int check_transport(struct transport *transport, char *eth, int n, ...@@ -551,20 +548,20 @@ static int check_transport(struct transport *transport, char *eth, int n,
int len; int len;
len = strlen(transport->name); len = strlen(transport->name);
if(strncmp(eth, transport->name, len)) if (strncmp(eth, transport->name, len))
return 0; return 0;
eth += len; eth += len;
if(*eth == ',') if (*eth == ',')
eth++; eth++;
else if(*eth != '\0') else if (*eth != '\0')
return 0; return 0;
*init_out = kmalloc(transport->setup_size, GFP_KERNEL); *init_out = kmalloc(transport->setup_size, GFP_KERNEL);
if(*init_out == NULL) if (*init_out == NULL)
return 1; return 1;
if(!transport->setup(eth, mac_out, *init_out)){ if (!transport->setup(eth, mac_out, *init_out)) {
kfree(*init_out); kfree(*init_out);
*init_out = NULL; *init_out = NULL;
} }
...@@ -584,13 +581,13 @@ void register_transport(struct transport *new) ...@@ -584,13 +581,13 @@ void register_transport(struct transport *new)
list_add(&new->list, &transports); list_add(&new->list, &transports);
spin_unlock(&transports_lock); spin_unlock(&transports_lock);
list_for_each_safe(ele, next, &eth_cmd_line){ list_for_each_safe(ele, next, &eth_cmd_line) {
eth = list_entry(ele, struct eth_init, list); eth = list_entry(ele, struct eth_init, list);
match = check_transport(new, eth->init, eth->index, &init, match = check_transport(new, eth->init, eth->index, &init,
&mac); &mac);
if(!match) if (!match)
continue; continue;
else if(init != NULL){ else if (init != NULL) {
eth_configure(eth->index, init, mac, new); eth_configure(eth->index, init, mac, new);
kfree(init); kfree(init);
} }
...@@ -607,11 +604,11 @@ static int eth_setup_common(char *str, int index) ...@@ -607,11 +604,11 @@ static int eth_setup_common(char *str, int index)
int found = 0; int found = 0;
spin_lock(&transports_lock); spin_lock(&transports_lock);
list_for_each(ele, &transports){ list_for_each(ele, &transports) {
transport = list_entry(ele, struct transport, list); transport = list_entry(ele, struct transport, list);
if(!check_transport(transport, str, index, &init, &mac)) if (!check_transport(transport, str, index, &init, &mac))
continue; continue;
if(init != NULL){ if (init != NULL) {
eth_configure(index, init, mac, transport); eth_configure(index, init, mac, transport);
kfree(init); kfree(init);
} }
...@@ -630,15 +627,15 @@ static int __init eth_setup(char *str) ...@@ -630,15 +627,15 @@ static int __init eth_setup(char *str)
int n, err; int n, err;
err = eth_parse(str, &n, &str, &error); err = eth_parse(str, &n, &str, &error);
if(err){ if (err) {
printk(KERN_ERR "eth_setup - Couldn't parse '%s' : %s\n", printk(KERN_ERR "eth_setup - Couldn't parse '%s' : %s\n",
str, error); str, error);
return 1; return 1;
} }
new = alloc_bootmem(sizeof(*new)); new = alloc_bootmem(sizeof(*new));
if (new == NULL){ if (new == NULL) {
printk("eth_init : alloc_bootmem failed\n"); printk(KERN_ERR "eth_init : alloc_bootmem failed\n");
return 1; return 1;
} }
...@@ -661,36 +658,36 @@ static int net_config(char *str, char **error_out) ...@@ -661,36 +658,36 @@ static int net_config(char *str, char **error_out)
int n, err; int n, err;
err = eth_parse(str, &n, &str, error_out); err = eth_parse(str, &n, &str, error_out);
if(err) if (err)
return err; return err;
/* This string is broken up and the pieces used by the underlying /* This string is broken up and the pieces used by the underlying
* driver. So, it is freed only if eth_setup_common fails. * driver. So, it is freed only if eth_setup_common fails.
*/ */
str = kstrdup(str, GFP_KERNEL); str = kstrdup(str, GFP_KERNEL);
if(str == NULL){ if (str == NULL) {
*error_out = "net_config failed to strdup string"; *error_out = "net_config failed to strdup string";
return -ENOMEM; return -ENOMEM;
} }
err = !eth_setup_common(str, n); err = !eth_setup_common(str, n);
if(err) if (err)
kfree(str); kfree(str);
return(err); return err;
} }
static int net_id(char **str, int *start_out, int *end_out) static int net_id(char **str, int *start_out, int *end_out)
{ {
char *end; char *end;
int n; int n;
n = simple_strtoul(*str, &end, 0); n = simple_strtoul(*str, &end, 0);
if((*end != '\0') || (end == *str)) if ((*end != '\0') || (end == *str))
return -1; return -1;
*start_out = n; *start_out = n;
*end_out = n; *end_out = n;
*str = end; *str = end;
return n; return n;
} }
static int net_remove(int n, char **error_out) static int net_remove(int n, char **error_out)
...@@ -700,12 +697,12 @@ static int net_remove(int n, char **error_out) ...@@ -700,12 +697,12 @@ static int net_remove(int n, char **error_out)
struct uml_net_private *lp; struct uml_net_private *lp;
device = find_device(n); device = find_device(n);
if(device == NULL) if (device == NULL)
return -ENODEV; return -ENODEV;
dev = device->dev; dev = device->dev;
lp = dev->priv; lp = dev->priv;
if(lp->fd > 0) if (lp->fd > 0)
return -EBUSY; return -EBUSY;
unregister_netdev(dev); unregister_netdev(dev);
platform_device_unregister(&device->pdev); platform_device_unregister(&device->pdev);
...@@ -731,13 +728,13 @@ static int uml_inetaddr_event(struct notifier_block *this, unsigned long event, ...@@ -731,13 +728,13 @@ static int uml_inetaddr_event(struct notifier_block *this, unsigned long event,
void (*proc)(unsigned char *, unsigned char *, void *); void (*proc)(unsigned char *, unsigned char *, void *);
unsigned char addr_buf[4], netmask_buf[4]; unsigned char addr_buf[4], netmask_buf[4];
if(dev->open != uml_net_open) if (dev->open != uml_net_open)
return NOTIFY_DONE; return NOTIFY_DONE;
lp = dev->priv; lp = dev->priv;
proc = NULL; proc = NULL;
switch (event){ switch (event) {
case NETDEV_UP: case NETDEV_UP:
proc = lp->add_address; proc = lp->add_address;
break; break;
...@@ -745,7 +742,7 @@ static int uml_inetaddr_event(struct notifier_block *this, unsigned long event, ...@@ -745,7 +742,7 @@ static int uml_inetaddr_event(struct notifier_block *this, unsigned long event,
proc = lp->delete_address; proc = lp->delete_address;
break; break;
} }
if(proc != NULL){ if (proc != NULL) {
memcpy(addr_buf, &ifa->ifa_address, sizeof(addr_buf)); memcpy(addr_buf, &ifa->ifa_address, sizeof(addr_buf));
memcpy(netmask_buf, &ifa->ifa_mask, sizeof(netmask_buf)); memcpy(netmask_buf, &ifa->ifa_mask, sizeof(netmask_buf));
(*proc)(addr_buf, netmask_buf, &lp->user); (*proc)(addr_buf, netmask_buf, &lp->user);
...@@ -773,13 +770,13 @@ static int uml_net_init(void) ...@@ -773,13 +770,13 @@ static int uml_net_init(void)
* addresses which have already been set up get handled properly. * addresses which have already been set up get handled properly.
*/ */
spin_lock(&opened_lock); spin_lock(&opened_lock);
list_for_each(ele, &opened){ list_for_each(ele, &opened) {
lp = list_entry(ele, struct uml_net_private, list); lp = list_entry(ele, struct uml_net_private, list);
ip = lp->dev->ip_ptr; ip = lp->dev->ip_ptr;
if(ip == NULL) if (ip == NULL)
continue; continue;
in = ip->ifa_list; in = ip->ifa_list;
while(in != NULL){ while (in != NULL) {
uml_inetaddr_event(NULL, NETDEV_UP, in); uml_inetaddr_event(NULL, NETDEV_UP, in);
in = in->ifa_next; in = in->ifa_next;
} }
...@@ -797,12 +794,12 @@ static void close_devices(void) ...@@ -797,12 +794,12 @@ static void close_devices(void)
struct uml_net_private *lp; struct uml_net_private *lp;
spin_lock(&opened_lock); spin_lock(&opened_lock);
list_for_each(ele, &opened){ list_for_each(ele, &opened) {
lp = list_entry(ele, struct uml_net_private, list); lp = list_entry(ele, struct uml_net_private, list);
free_irq(lp->dev->irq, lp->dev); 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); (*lp->close)(lp->fd, &lp->user);
if(lp->remove != NULL) if (lp->remove != NULL)
(*lp->remove)(&lp->user); (*lp->remove)(&lp->user);
} }
spin_unlock(&opened_lock); spin_unlock(&opened_lock);
...@@ -812,15 +809,15 @@ __uml_exitcall(close_devices); ...@@ -812,15 +809,15 @@ __uml_exitcall(close_devices);
struct sk_buff *ether_adjust_skb(struct sk_buff *skb, int extra) 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; struct sk_buff *skb2;
skb2 = skb_copy_expand(skb, 0, extra, GFP_ATOMIC); skb2 = skb_copy_expand(skb, 0, extra, GFP_ATOMIC);
dev_kfree_skb(skb); dev_kfree_skb(skb);
skb = skb2; skb = skb2;
} }
if(skb != NULL) skb_put(skb, extra); if (skb != NULL) skb_put(skb, extra);
return(skb); return skb;
} }
void iter_addresses(void *d, void (*cb)(unsigned char *, unsigned char *, void iter_addresses(void *d, void (*cb)(unsigned char *, unsigned char *,
...@@ -832,9 +829,9 @@ void iter_addresses(void *d, void (*cb)(unsigned char *, unsigned char *, ...@@ -832,9 +829,9 @@ void iter_addresses(void *d, void (*cb)(unsigned char *, unsigned char *,
struct in_ifaddr *in; struct in_ifaddr *in;
unsigned char address[4], netmask[4]; unsigned char address[4], netmask[4];
if(ip == NULL) return; if (ip == NULL) return;
in = ip->ifa_list; in = ip->ifa_list;
while(in != NULL){ while (in != NULL) {
memcpy(address, &in->ifa_address, sizeof(address)); memcpy(address, &in->ifa_address, sizeof(address));
memcpy(netmask, &in->ifa_mask, sizeof(netmask)); memcpy(netmask, &in->ifa_mask, sizeof(netmask));
(*cb)(address, netmask, arg); (*cb)(address, netmask, arg);
...@@ -849,15 +846,15 @@ int dev_netmask(void *d, void *m) ...@@ -849,15 +846,15 @@ int dev_netmask(void *d, void *m)
struct in_ifaddr *in; struct in_ifaddr *in;
__be32 *mask_out = m; __be32 *mask_out = m;
if(ip == NULL) if (ip == NULL)
return(1); return 1;
in = ip->ifa_list; in = ip->ifa_list;
if(in == NULL) if (in == NULL)
return(1); return 1;
*mask_out = in->ifa_mask; *mask_out = in->ifa_mask;
return(0); return 0;
} }
void *get_output_buffer(int *len_out) void *get_output_buffer(int *len_out)
...@@ -865,7 +862,7 @@ void *get_output_buffer(int *len_out) ...@@ -865,7 +862,7 @@ void *get_output_buffer(int *len_out)
void *ret; void *ret;
ret = (void *) __get_free_pages(GFP_KERNEL, 0); ret = (void *) __get_free_pages(GFP_KERNEL, 0);
if(ret) *len_out = PAGE_SIZE; if (ret) *len_out = PAGE_SIZE;
else *len_out = 0; else *len_out = 0;
return ret; return ret;
} }
...@@ -881,16 +878,16 @@ int tap_setup_common(char *str, char *type, char **dev_name, char **mac_out, ...@@ -881,16 +878,16 @@ int tap_setup_common(char *str, char *type, char **dev_name, char **mac_out,
char *remain; char *remain;
remain = split_if_spec(str, dev_name, mac_out, gate_addr, NULL); remain = split_if_spec(str, dev_name, mac_out, gate_addr, NULL);
if(remain != NULL){ if (remain != NULL) {
printk("tap_setup_common - Extra garbage on specification : " printk(KERN_ERR "tap_setup_common - Extra garbage on "
"'%s'\n", remain); "specification : '%s'\n", remain);
return(1); return 1;
} }
return(0); return 0;
} }
unsigned short eth_protocol(struct sk_buff *skb) unsigned short eth_protocol(struct sk_buff *skb)
{ {
return(eth_type_trans(skb, skb->dev)); return eth_type_trans(skb, skb->dev);
} }
arch/um/drivers/net_user.c
View file @ cd1ae0e4
/* /*
* Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
#include <stddef.h>
#include <stdarg.h>
#include <unistd.h>
#include <stdio.h> #include <stdio.h>
#include <unistd.h>
#include <stdarg.h>
#include <errno.h> #include <errno.h>
#include <stdlib.h> #include <stddef.h>
#include <string.h> #include <string.h>
#include <sys/socket.h> #include <sys/socket.h>
#include <sys/wait.h> #include <sys/wait.h>
#include <sys/time.h>
#include "user.h"
#include "kern_util.h"
#include "net_user.h" #include "net_user.h"
#include "kern_constants.h"
#include "os.h" #include "os.h"
#include "um_malloc.h" #include "um_malloc.h"
#include "kern_constants.h" #include "user.h"
int tap_open_common(void *dev, char *gate_addr) int tap_open_common(void *dev, char *gate_addr)
{ {
int tap_addr[4]; int tap_addr[4];
if(gate_addr == NULL) if (gate_addr == NULL)
return 0; return 0;
if(sscanf(gate_addr, "%d.%d.%d.%d", &tap_addr[0], if (sscanf(gate_addr, "%d.%d.%d.%d", &tap_addr[0],
&tap_addr[1], &tap_addr[2], &tap_addr[3]) != 4){ &tap_addr[1], &tap_addr[2], &tap_addr[3]) != 4) {
printk("Invalid tap IP address - '%s'\n", gate_addr); printk(UM_KERN_ERR "Invalid tap IP address - '%s'\n",
gate_addr);
return -EINVAL; return -EINVAL;
} }
return 0; return 0;
...@@ -38,15 +36,15 @@ void tap_check_ips(char *gate_addr, unsigned char *eth_addr) ...@@ -38,15 +36,15 @@ void tap_check_ips(char *gate_addr, unsigned char *eth_addr)
{ {
int tap_addr[4]; int tap_addr[4];
if((gate_addr != NULL) && if ((gate_addr != NULL) &&
(sscanf(gate_addr, "%d.%d.%d.%d", &tap_addr[0], (sscanf(gate_addr, "%d.%d.%d.%d", &tap_addr[0],
&tap_addr[1], &tap_addr[2], &tap_addr[3]) == 4) && &tap_addr[1], &tap_addr[2], &tap_addr[3]) == 4) &&
(eth_addr[0] == tap_addr[0]) && (eth_addr[0] == tap_addr[0]) &&
(eth_addr[1] == tap_addr[1]) && (eth_addr[1] == tap_addr[1]) &&
(eth_addr[2] == tap_addr[2]) && (eth_addr[2] == tap_addr[2]) &&
(eth_addr[3] == tap_addr[3])){ (eth_addr[3] == tap_addr[3])) {
printk("The tap IP address and the UML eth IP address" printk(UM_KERN_ERR "The tap IP address and the UML eth IP "
" must be different\n"); "address must be different\n");
} }
} }
...@@ -57,24 +55,28 @@ void read_output(int fd, char *output, int len) ...@@ -57,24 +55,28 @@ void read_output(int fd, char *output, int len)
char c; char c;
char *str; char *str;
if(output == NULL){ if (output == NULL) {
output = &c; output = &c;
len = sizeof(c); len = sizeof(c);
} }
*output = '\0'; *output = '\0';
ret = os_read_file(fd, &remain, sizeof(remain)); ret = read(fd, &remain, sizeof(remain));
if (ret != sizeof(remain)) { if (ret != sizeof(remain)) {
if (ret < 0)
ret = -errno;
expected = sizeof(remain); expected = sizeof(remain);
str = "length"; str = "length";
goto err; goto err;
} }
while(remain != 0){ while (remain != 0) {
expected = (remain < len) ? remain : len; expected = (remain < len) ? remain : len;
ret = os_read_file(fd, output, expected); ret = read(fd, output, expected);
if (ret != expected) { if (ret != expected) {
if (ret < 0)
ret = -errno;
str = "data"; str = "data";
goto err; goto err;
} }
...@@ -85,20 +87,22 @@ void read_output(int fd, char *output, int len) ...@@ -85,20 +87,22 @@ void read_output(int fd, char *output, int len)
err: err:
if (ret < 0) 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 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 net_read(int fd, void *buf, int len)
{ {
int n; int n;
n = os_read_file(fd, buf, len); n = read(fd, buf, len);
if(n == -EAGAIN) if ((n < 0) && (errno == EAGAIN))
return 0; return 0;
else if(n == 0) else if (n == 0)
return -ENOTCONN; return -ENOTCONN;
return n; return n;
} }
...@@ -108,12 +112,12 @@ int net_recvfrom(int fd, void *buf, int len) ...@@ -108,12 +112,12 @@ int net_recvfrom(int fd, void *buf, int len)
int n; int n;
CATCH_EINTR(n = recvfrom(fd, buf, len, 0, NULL, NULL)); CATCH_EINTR(n = recvfrom(fd, buf, len, 0, NULL, NULL));
if(n < 0){ if (n < 0) {
if(errno == EAGAIN) if (errno == EAGAIN)
return 0; return 0;
return -errno; return -errno;
} }
else if(n == 0) else if (n == 0)
return -ENOTCONN; return -ENOTCONN;
return n; return n;
} }
...@@ -122,11 +126,11 @@ int net_write(int fd, void *buf, int len) ...@@ -122,11 +126,11 @@ int net_write(int fd, void *buf, int len)
{ {
int 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; return 0;
else if(n == 0) else if (n == 0)
return -ENOTCONN; return -ENOTCONN;
return n; return n;
} }
...@@ -136,12 +140,12 @@ int net_send(int fd, void *buf, int len) ...@@ -136,12 +140,12 @@ int net_send(int fd, void *buf, int len)
int n; int n;
CATCH_EINTR(n = send(fd, buf, len, 0)); CATCH_EINTR(n = send(fd, buf, len, 0));
if(n < 0){ if (n < 0) {
if(errno == EAGAIN) if (errno == EAGAIN)
return 0; return 0;
return -errno; return -errno;
} }
else if(n == 0) else if (n == 0)
return -ENOTCONN; return -ENOTCONN;
return n; return n;
} }
...@@ -152,12 +156,12 @@ int net_sendto(int fd, void *buf, int len, void *to, int sock_len) ...@@ -152,12 +156,12 @@ int net_sendto(int fd, void *buf, int len, void *to, int sock_len)
CATCH_EINTR(n = sendto(fd, buf, len, 0, (struct sockaddr *) to, CATCH_EINTR(n = sendto(fd, buf, len, 0, (struct sockaddr *) to,
sock_len)); sock_len));
if(n < 0){ if (n < 0) {
if(errno == EAGAIN) if (errno == EAGAIN)
return 0; return 0;
return -errno; return -errno;
} }
else if(n == 0) else if (n == 0)
return -ENOTCONN; return -ENOTCONN;
return n; return n;
} }
...@@ -171,7 +175,7 @@ static void change_pre_exec(void *arg) ...@@ -171,7 +175,7 @@ static void change_pre_exec(void *arg)
{ {
struct change_pre_exec_data *data = arg; struct change_pre_exec_data *data = arg;
os_close_file(data->close_me); close(data->close_me);
dup2(data->stdout, 1); dup2(data->stdout, 1);
} }
...@@ -181,8 +185,9 @@ static int change_tramp(char **argv, char *output, int output_len) ...@@ -181,8 +185,9 @@ static int change_tramp(char **argv, char *output, int output_len)
struct change_pre_exec_data pe_data; struct change_pre_exec_data pe_data;
err = os_pipe(fds, 1, 0); err = os_pipe(fds, 1, 0);
if(err < 0){ if (err < 0) {
printk("change_tramp - pipe failed, err = %d\n", -err); printk(UM_KERN_ERR "change_tramp - pipe failed, err = %d\n",
-err);
return err; return err;
} }
pe_data.close_me = fds[0]; pe_data.close_me = fds[0];
...@@ -192,8 +197,8 @@ static int change_tramp(char **argv, char *output, int output_len) ...@@ -192,8 +197,8 @@ static int change_tramp(char **argv, char *output, int output_len)
if (pid > 0) /* Avoid hang as we won't get data in failure case. */ if (pid > 0) /* Avoid hang as we won't get data in failure case. */
read_output(fds[0], output, output_len); read_output(fds[0], output, output_len);
os_close_file(fds[0]); close(fds[0]);
os_close_file(fds[1]); close(fds[1]);
if (pid > 0) if (pid > 0)
CATCH_EINTR(err = waitpid(pid, NULL, 0)); CATCH_EINTR(err = waitpid(pid, NULL, 0));
...@@ -206,25 +211,26 @@ static void change(char *dev, char *what, unsigned char *addr, ...@@ -206,25 +211,26 @@ static void change(char *dev, char *what, unsigned char *addr,
char addr_buf[sizeof("255.255.255.255\0")]; char addr_buf[sizeof("255.255.255.255\0")];
char netmask_buf[sizeof("255.255.255.255\0")]; char netmask_buf[sizeof("255.255.255.255\0")];
char version[sizeof("nnnnn\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 }; netmask_buf, NULL };
char *output; char *output;
int output_len, pid; int output_len, pid;
sprintf(version, "%d", UML_NET_VERSION); sprintf(version, "%d", UML_NET_VERSION);
sprintf(addr_buf, "%d.%d.%d.%d", addr[0], addr[1], addr[2], addr[3]); 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]); netmask[2], netmask[3]);
output_len = UM_KERN_PAGE_SIZE; output_len = UM_KERN_PAGE_SIZE;
output = kmalloc(output_len, UM_GFP_KERNEL); output = kmalloc(output_len, UM_GFP_KERNEL);
if(output == NULL) if (output == NULL)
printk("change : failed to allocate output buffer\n"); printk(UM_KERN_ERR "change : failed to allocate output "
"buffer\n");
pid = change_tramp(argv, output, output_len); pid = change_tramp(argv, output, output_len);
if(pid < 0) return; if (pid < 0) return;
if(output != NULL){ if (output != NULL) {
printk("%s", output); printk("%s", output);
kfree(output); kfree(output);
} }
...@@ -246,13 +252,13 @@ char *split_if_spec(char *str, ...) ...@@ -246,13 +252,13 @@ char *split_if_spec(char *str, ...)
va_list ap; va_list ap;
va_start(ap, str); va_start(ap, str);
while((arg = va_arg(ap, char **)) != NULL){ while ((arg = va_arg(ap, char **)) != NULL) {
if(*str == '\0') if (*str == '\0')
return NULL; return NULL;
end = strchr(str, ','); end = strchr(str, ',');
if(end != str) if (end != str)
*arg = str; *arg = str;
if(end == NULL) if (end == NULL)
return NULL; return NULL;
*end++ = '\0'; *end++ = '\0';
str = end; str = end;
......
arch/um/drivers/pcap_kern.c
View file @ cd1ae0e4
/* /*
* Copyright (C) 2002 Jeff Dike <jdike@karaya.com> * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL. * Licensed under the GPL.
*/ */
#include "linux/init.h" #include "linux/init.h"
#include "linux/netdevice.h" #include <linux/netdevice.h>
#include "linux/etherdevice.h"
#include "net_kern.h" #include "net_kern.h"
#include "net_user.h"
#include "pcap_user.h" #include "pcap_user.h"
struct pcap_init { struct pcap_init {
...@@ -37,7 +35,7 @@ static int pcap_read(int fd, struct sk_buff **skb, ...@@ -37,7 +35,7 @@ static int pcap_read(int fd, struct sk_buff **skb,
struct uml_net_private *lp) struct uml_net_private *lp)
{ {
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER); *skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
if(*skb == NULL) if (*skb == NULL)
return -ENOMEM; return -ENOMEM;
return pcap_user_read(fd, skb_mac_header(*skb), return pcap_user_read(fd, skb_mac_header(*skb),
...@@ -71,28 +69,29 @@ int pcap_setup(char *str, char **mac_out, void *data) ...@@ -71,28 +69,29 @@ int pcap_setup(char *str, char **mac_out, void *data)
remain = split_if_spec(str, &host_if, &init->filter, remain = split_if_spec(str, &host_if, &init->filter,
&options[0], &options[1], mac_out, NULL); &options[0], &options[1], mac_out, NULL);
if(remain != NULL){ if (remain != NULL) {
printk(KERN_ERR "pcap_setup - Extra garbage on " printk(KERN_ERR "pcap_setup - Extra garbage on "
"specification : '%s'\n", remain); "specification : '%s'\n", remain);
return 0; return 0;
} }
if(host_if != NULL) if (host_if != NULL)
init->host_if = host_if; init->host_if = host_if;
for(i = 0; i < ARRAY_SIZE(options); i++){ for (i = 0; i < ARRAY_SIZE(options); i++) {
if(options[i] == NULL) if (options[i] == NULL)
continue; continue;
if(!strcmp(options[i], "promisc")) if (!strcmp(options[i], "promisc"))
init->promisc = 1; init->promisc = 1;
else if(!strcmp(options[i], "nopromisc")) else if (!strcmp(options[i], "nopromisc"))
init->promisc = 0; init->promisc = 0;
else if(!strcmp(options[i], "optimize")) else if (!strcmp(options[i], "optimize"))
init->optimize = 1; init->optimize = 1;
else if(!strcmp(options[i], "nooptimize")) else if (!strcmp(options[i], "nooptimize"))
init->optimize = 0; init->optimize = 0;
else { else {
printk("pcap_setup : bad option - '%s'\n", options[i]); printk(KERN_ERR "pcap_setup : bad option - '%s'\n",
options[i]);
return 0; return 0;
} }
} }
......
arch/um/drivers/pcap_user.c
View file @ cd1ae0e4
/* /*
* Copyright (C) 2002 Jeff Dike <jdike@karaya.com> * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL. * Licensed under the GPL.
*/ */
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h> #include <errno.h>
#include <pcap.h> #include <pcap.h>
#include <string.h>
#include <asm/types.h> #include <asm/types.h>
#include "net_user.h" #include "net_user.h"
#include "pcap_user.h" #include "pcap_user.h"
#include "user.h"
#include "um_malloc.h"
#include "kern_constants.h" #include "kern_constants.h"
#include "um_malloc.h"
#include "user.h"
#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER) #define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
...@@ -26,7 +24,7 @@ static int pcap_user_init(void *data, void *dev) ...@@ -26,7 +24,7 @@ static int pcap_user_init(void *data, void *dev)
char errors[PCAP_ERRBUF_SIZE]; char errors[PCAP_ERRBUF_SIZE];
p = pcap_open_live(pri->host_if, MAX_PACKET, pri->promisc, 0, errors); 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 - " printk(UM_KERN_ERR "pcap_user_init : pcap_open_live failed - "
"'%s'\n", errors); "'%s'\n", errors);
return -EINVAL; return -EINVAL;
...@@ -43,50 +41,55 @@ static int pcap_open(void *data) ...@@ -43,50 +41,55 @@ static int pcap_open(void *data)
__u32 netmask; __u32 netmask;
int err; int err;
if(pri->pcap == NULL) if (pri->pcap == NULL)
return -ENODEV; return -ENODEV;
if(pri->filter != NULL){ if (pri->filter != NULL) {
err = dev_netmask(pri->dev, &netmask); err = dev_netmask(pri->dev, &netmask);
if(err < 0){ if (err < 0) {
printk(UM_KERN_ERR "pcap_open : dev_netmask failed\n"); printk(UM_KERN_ERR "pcap_open : dev_netmask failed\n");
return -EIO; return -EIO;
} }
pri->compiled = kmalloc(sizeof(struct bpf_program), UM_GFP_KERNEL); pri->compiled = kmalloc(sizeof(struct bpf_program),
if(pri->compiled == NULL){ UM_GFP_KERNEL);
if (pri->compiled == NULL) {
printk(UM_KERN_ERR "pcap_open : kmalloc failed\n"); printk(UM_KERN_ERR "pcap_open : kmalloc failed\n");
return -ENOMEM; return -ENOMEM;
} }
err = pcap_compile(pri->pcap, err = pcap_compile(pri->pcap,
(struct bpf_program *) pri->compiled, (struct bpf_program *) pri->compiled,
pri->filter, pri->optimize, netmask); pri->filter, pri->optimize, netmask);
if(err < 0){ if (err < 0) {
printk(UM_KERN_ERR "pcap_open : pcap_compile failed - " printk(UM_KERN_ERR "pcap_open : pcap_compile failed - "
"'%s'\n", pcap_geterr(pri->pcap)); "'%s'\n", pcap_geterr(pri->pcap));
return -EIO; goto out;
} }
err = pcap_setfilter(pri->pcap, pri->compiled); err = pcap_setfilter(pri->pcap, pri->compiled);
if(err < 0){ if (err < 0) {
printk(UM_KERN_ERR "pcap_open : pcap_setfilter " printk(UM_KERN_ERR "pcap_open : pcap_setfilter "
"failed - '%s'\n", pcap_geterr(pri->pcap)); "failed - '%s'\n", pcap_geterr(pri->pcap));
return -EIO; goto out;
} }
} }
return PCAP_FD(pri->pcap); return PCAP_FD(pri->pcap);
out:
kfree(pri->compiled);
return -EIO;
} }
static void pcap_remove(void *data) static void pcap_remove(void *data)
{ {
struct pcap_data *pri = data; struct pcap_data *pri = data;
if(pri->compiled != NULL) if (pri->compiled != NULL)
pcap_freecode(pri->compiled); pcap_freecode(pri->compiled);
if(pri->pcap != NULL) if (pri->pcap != NULL)
pcap_close(pri->pcap); pcap_close(pri->pcap);
} }
...@@ -95,7 +98,7 @@ struct pcap_handler_data { ...@@ -95,7 +98,7 @@ struct pcap_handler_data {
int len; 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) const u_char *packet)
{ {
int len; int len;
...@@ -115,12 +118,12 @@ int pcap_user_read(int fd, void *buffer, int len, struct pcap_data *pri) ...@@ -115,12 +118,12 @@ int pcap_user_read(int fd, void *buffer, int len, struct pcap_data *pri)
int n; int n;
n = pcap_dispatch(pri->pcap, 1, handler, (u_char *) &hdata); 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", printk(UM_KERN_ERR "pcap_dispatch failed - %s\n",
pcap_geterr(pri->pcap)); pcap_geterr(pri->pcap));
return -EIO; return -EIO;
} }
else if(n == 0) else if (n == 0)
return 0; return 0;
return hdata.len; return hdata.len;
} }
......
arch/um/drivers/slip_kern.c
View file @ cd1ae0e4
#include "linux/kernel.h" /*
#include "linux/stddef.h" * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
#include "linux/init.h" * Licensed under the GPL.
#include "linux/netdevice.h" */
#include "linux/if_arp.h"
#include <linux/if_arp.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include "net_kern.h" #include "net_kern.h"
#include "net_user.h"
#include "kern.h"
#include "slip.h" #include "slip.h"
struct slip_init { struct slip_init {
...@@ -43,21 +44,21 @@ void slip_init(struct net_device *dev, void *data) ...@@ -43,21 +44,21 @@ void slip_init(struct net_device *dev, void *data)
static unsigned short slip_protocol(struct sk_buff *skbuff) 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) struct uml_net_private *lp)
{ {
return(slip_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu, return slip_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu,
(struct slip_data *) &lp->user)); (struct slip_data *) &lp->user);
} }
static int slip_write(int fd, struct sk_buff **skb, static int slip_write(int fd, struct sk_buff **skb,
struct uml_net_private *lp) struct uml_net_private *lp)
{ {
return(slip_user_write(fd, (*skb)->data, (*skb)->len, return slip_user_write(fd, (*skb)->data, (*skb)->len,
(struct slip_data *) &lp->user)); (struct slip_data *) &lp->user);
} }
const struct net_kern_info slip_kern_info = { const struct net_kern_info slip_kern_info = {
...@@ -71,12 +72,11 @@ static int slip_setup(char *str, char **mac_out, void *data) ...@@ -71,12 +72,11 @@ static int slip_setup(char *str, char **mac_out, void *data)
{ {
struct slip_init *init = data; struct slip_init *init = data;
*init = ((struct slip_init) *init = ((struct slip_init) { .gate_addr = NULL });
{ .gate_addr = NULL });
if(str[0] != '\0') if (str[0] != '\0')
init->gate_addr = str; init->gate_addr = str;
return(1); return 1;
} }
static struct transport slip_transport = { static struct transport slip_transport = {
......
arch/um/drivers/slip_user.c
View file @ cd1ae0e4
/*
* Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL.
*/
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
#include <stddef.h>
#include <sched.h>
#include <string.h>
#include <errno.h> #include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <sys/termios.h> #include <sys/termios.h>
#include <sys/wait.h> #include <sys/wait.h>
#include <sys/signal.h> #include "kern_constants.h"
#include "kern_util.h"
#include "user.h"
#include "net_user.h" #include "net_user.h"
#include "slip.h"
#include "slip_common.h"
#include "os.h" #include "os.h"
#include "slip.h"
#include "um_malloc.h" #include "um_malloc.h"
#include "kern_constants.h" #include "user.h"
static int slip_user_init(void *data, void *dev) static int slip_user_init(void *data, void *dev)
{ {
...@@ -31,8 +32,9 @@ static int set_up_tty(int fd) ...@@ -31,8 +32,9 @@ static int set_up_tty(int fd)
struct termios tios; struct termios tios;
if (tcgetattr(fd, &tios) < 0) { if (tcgetattr(fd, &tios) < 0) {
printk("could not get initial terminal attributes\n"); printk(UM_KERN_ERR "could not get initial terminal "
return(-1); "attributes\n");
return -1;
} }
tios.c_cflag = CS8 | CREAD | HUPCL | CLOCAL; tios.c_cflag = CS8 | CREAD | HUPCL | CLOCAL;
...@@ -48,10 +50,10 @@ static int set_up_tty(int fd) ...@@ -48,10 +50,10 @@ static int set_up_tty(int fd)
cfsetispeed(&tios, B38400); cfsetispeed(&tios, B38400);
if (tcsetattr(fd, TCSAFLUSH, &tios) < 0) { if (tcsetattr(fd, TCSAFLUSH, &tios) < 0) {
printk("failed to set terminal attributes\n"); printk(UM_KERN_ERR "failed to set terminal attributes\n");
return(-1); return -1;
} }
return(0); return 0;
} }
struct slip_pre_exec_data { struct slip_pre_exec_data {
...@@ -64,9 +66,11 @@ static void slip_pre_exec(void *arg) ...@@ -64,9 +66,11 @@ static void slip_pre_exec(void *arg)
{ {
struct slip_pre_exec_data *data = arg; 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); 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) static int slip_tramp(char **argv, int fd)
...@@ -76,8 +80,9 @@ static int slip_tramp(char **argv, int fd) ...@@ -76,8 +80,9 @@ static int slip_tramp(char **argv, int fd)
int status, pid, fds[2], err, output_len; int status, pid, fds[2], err, output_len;
err = os_pipe(fds, 1, 0); err = os_pipe(fds, 1, 0);
if(err < 0){ if (err < 0) {
printk("slip_tramp : pipe failed, err = %d\n", -err); printk(UM_KERN_ERR "slip_tramp : pipe failed, err = %d\n",
-err);
goto out; goto out;
} }
...@@ -86,41 +91,42 @@ static int slip_tramp(char **argv, int fd) ...@@ -86,41 +91,42 @@ static int slip_tramp(char **argv, int fd)
pe_data.stdout = fds[1]; pe_data.stdout = fds[1];
pe_data.close_me = fds[0]; pe_data.close_me = fds[0];
err = run_helper(slip_pre_exec, &pe_data, argv); err = run_helper(slip_pre_exec, &pe_data, argv);
if(err < 0) if (err < 0)
goto out_close; goto out_close;
pid = err; pid = err;
output_len = UM_KERN_PAGE_SIZE; output_len = UM_KERN_PAGE_SIZE;
output = kmalloc(output_len, UM_GFP_KERNEL); output = kmalloc(output_len, UM_GFP_KERNEL);
if(output == NULL){ if (output == NULL) {
printk("slip_tramp : failed to allocate output buffer\n"); printk(UM_KERN_ERR "slip_tramp : failed to allocate output "
"buffer\n");
os_kill_process(pid, 1); os_kill_process(pid, 1);
err = -ENOMEM; err = -ENOMEM;
goto out_free; goto out_free;
} }
os_close_file(fds[1]); close(fds[1]);
read_output(fds[0], output, output_len); read_output(fds[0], output, output_len);
printk("%s", output); printk("%s", output);
CATCH_EINTR(err = waitpid(pid, &status, 0)); CATCH_EINTR(err = waitpid(pid, &status, 0));
if(err < 0) if (err < 0)
err = errno; err = errno;
else if(!WIFEXITED(status) || (WEXITSTATUS(status) != 0)){ else if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0)) {
printk("'%s' didn't exit with status 0\n", argv[0]); printk(UM_KERN_ERR "'%s' didn't exit with status 0\n", argv[0]);
err = -EINVAL; err = -EINVAL;
} }
else err = 0; else err = 0;
os_close_file(fds[0]); close(fds[0]);
out_free: out_free:
kfree(output); kfree(output);
return err; return err;
out_close: out_close:
os_close_file(fds[0]); close(fds[0]);
os_close_file(fds[1]); close(fds[1]);
out: out:
return err; return err;
} }
...@@ -130,60 +136,64 @@ static int slip_open(void *data) ...@@ -130,60 +136,64 @@ static int slip_open(void *data)
struct slip_data *pri = data; struct slip_data *pri = data;
char version_buf[sizeof("nnnnn\0")]; char version_buf[sizeof("nnnnn\0")];
char gate_buf[sizeof("nnn.nnn.nnn.nnn\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 }; NULL };
int sfd, mfd, err; int sfd, mfd, err;
err = get_pty(); err = get_pty();
if(err < 0){ if (err < 0) {
printk("slip-open : Failed to open pty, err = %d\n", -err); printk(UM_KERN_ERR "slip-open : Failed to open pty, err = %d\n",
-err);
goto out; goto out;
} }
mfd = err; mfd = err;
err = os_open_file(ptsname(mfd), of_rdwr(OPENFLAGS()), 0); err = open(ptsname(mfd), O_RDWR, 0);
if(err < 0){ if (err < 0) {
printk("Couldn't open tty for slip line, err = %d\n", -err); printk(UM_KERN_ERR "Couldn't open tty for slip line, "
"err = %d\n", -err);
goto out_close; goto out_close;
} }
sfd = err; sfd = err;
if(set_up_tty(sfd)) if (set_up_tty(sfd))
goto out_close2; goto out_close2;
pri->slave = sfd; pri->slave = sfd;
pri->slip.pos = 0; pri->slip.pos = 0;
pri->slip.esc = 0; pri->slip.esc = 0;
if(pri->gate_addr != NULL){ if (pri->gate_addr != NULL) {
sprintf(version_buf, "%d", UML_NET_VERSION); sprintf(version_buf, "%d", UML_NET_VERSION);
strcpy(gate_buf, pri->gate_addr); strcpy(gate_buf, pri->gate_addr);
err = slip_tramp(argv, sfd); err = slip_tramp(argv, sfd);
if(err < 0){ if (err < 0) {
printk("slip_tramp failed - err = %d\n", -err); printk(UM_KERN_ERR "slip_tramp failed - err = %d\n",
-err);
goto out_close2; goto out_close2;
} }
err = os_get_ifname(pri->slave, pri->name); err = os_get_ifname(pri->slave, pri->name);
if(err < 0){ if (err < 0) {
printk("get_ifname failed, err = %d\n", -err); printk(UM_KERN_ERR "get_ifname failed, err = %d\n",
-err);
goto out_close2; goto out_close2;
} }
iter_addresses(pri->dev, open_addr, pri->name); iter_addresses(pri->dev, open_addr, pri->name);
} }
else { else {
err = os_set_slip(sfd); err = os_set_slip(sfd);
if(err < 0){ if (err < 0) {
printk("Failed to set slip discipline encapsulation - " printk(UM_KERN_ERR "Failed to set slip discipline "
"err = %d\n", -err); "encapsulation - err = %d\n", -err);
goto out_close2; goto out_close2;
} }
} }
return(mfd); return mfd;
out_close2: out_close2:
os_close_file(sfd); close(sfd);
out_close: out_close:
os_close_file(mfd); close(mfd);
out: out:
return err; return err;
} }
...@@ -192,21 +202,21 @@ static void slip_close(int fd, void *data) ...@@ -192,21 +202,21 @@ static void slip_close(int fd, void *data)
{ {
struct slip_data *pri = data; struct slip_data *pri = data;
char version_buf[sizeof("nnnnn\0")]; 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 }; NULL };
int err; int err;
if(pri->gate_addr != NULL) if (pri->gate_addr != NULL)
iter_addresses(pri->dev, close_addr, pri->name); iter_addresses(pri->dev, close_addr, pri->name);
sprintf(version_buf, "%d", UML_NET_VERSION); sprintf(version_buf, "%d", UML_NET_VERSION);
err = slip_tramp(argv, pri->slave); err = slip_tramp(argv, pri->slave);
if(err != 0) if (err != 0)
printk("slip_tramp failed - errno = %d\n", -err); printk(UM_KERN_ERR "slip_tramp failed - errno = %d\n", -err);
os_close_file(fd); close(fd);
os_close_file(pri->slave); close(pri->slave);
pri->slave = -1; pri->slave = -1;
} }
...@@ -222,7 +232,7 @@ int slip_user_write(int fd, void *buf, int len, struct slip_data *pri) ...@@ -222,7 +232,7 @@ int slip_user_write(int fd, void *buf, int len, struct slip_data *pri)
static int slip_set_mtu(int mtu, void *data) static int slip_set_mtu(int mtu, void *data)
{ {
return(mtu); return mtu;
} }
static void slip_add_addr(unsigned char *addr, unsigned char *netmask, static void slip_add_addr(unsigned char *addr, unsigned char *netmask,
...@@ -230,7 +240,8 @@ static void slip_add_addr(unsigned char *addr, unsigned char *netmask, ...@@ -230,7 +240,8 @@ static void slip_add_addr(unsigned char *addr, unsigned char *netmask,
{ {
struct slip_data *pri = data; struct slip_data *pri = data;
if(pri->slave < 0) return; if (pri->slave < 0)
return;
open_addr(addr, netmask, pri->name); open_addr(addr, netmask, pri->name);
} }
...@@ -239,7 +250,8 @@ static void slip_del_addr(unsigned char *addr, unsigned char *netmask, ...@@ -239,7 +250,8 @@ static void slip_del_addr(unsigned char *addr, unsigned char *netmask,
{ {
struct slip_data *pri = data; struct slip_data *pri = data;
if(pri->slave < 0) return; if (pri->slave < 0)
return;
close_addr(addr, netmask, pri->name); close_addr(addr, netmask, pri->name);
} }
......
arch/um/drivers/slirp_kern.c
View file @ cd1ae0e4
#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/init.h"
#include "linux/netdevice.h" #include <linux/netdevice.h>
#include "linux/if_arp.h" #include <linux/string.h>
#include "net_kern.h" #include "net_kern.h"
#include "net_user.h" #include "net_user.h"
#include "kern.h"
#include "slirp.h" #include "slirp.h"
struct slirp_init { struct slirp_init {
...@@ -39,29 +42,28 @@ void slirp_init(struct net_device *dev, void *data) ...@@ -39,29 +42,28 @@ void slirp_init(struct net_device *dev, void *data)
dev->tx_queue_len = 256; dev->tx_queue_len = 256;
dev->flags = IFF_NOARP; dev->flags = IFF_NOARP;
printk("SLIRP backend - command line:"); 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(" '%s'",spri->argw.argv[i]);
}
printk("\n"); printk("\n");
} }
static unsigned short slirp_protocol(struct sk_buff *skbuff) 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) struct uml_net_private *lp)
{ {
return(slirp_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu, return slirp_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu,
(struct slirp_data *) &lp->user)); (struct slirp_data *) &lp->user);
} }
static int slirp_write(int fd, struct sk_buff **skb, static int slirp_write(int fd, struct sk_buff **skb,
struct uml_net_private *lp) struct uml_net_private *lp)
{ {
return(slirp_user_write(fd, (*skb)->data, (*skb)->len, return slirp_user_write(fd, (*skb)->data, (*skb)->len,
(struct slirp_data *) &lp->user)); (struct slirp_data *) &lp->user);
} }
const struct net_kern_info slirp_kern_info = { const struct net_kern_info slirp_kern_info = {
...@@ -76,31 +78,32 @@ static int slirp_setup(char *str, char **mac_out, void *data) ...@@ -76,31 +78,32 @@ static int slirp_setup(char *str, char **mac_out, void *data)
struct slirp_init *init = data; struct slirp_init *init = data;
int i=0; int i=0;
*init = ((struct slirp_init) *init = ((struct slirp_init) { .argw = { { "slirp", NULL } } });
{ .argw = { { "slirp", NULL } } });
str = split_if_spec(str, mac_out, NULL); str = split_if_spec(str, mac_out, NULL);
if(str == NULL) { /* no command line given after MAC addr */ if (str == NULL) /* no command line given after MAC addr */
return(1); return 1;
}
do { do {
if(i>=SLIRP_MAX_ARGS-1) { if (i >= SLIRP_MAX_ARGS - 1) {
printk("slirp_setup: truncating slirp arguments\n"); printk(KERN_WARNING "slirp_setup: truncating slirp "
"arguments\n");
break; break;
} }
init->argw.argv[i++] = str; init->argw.argv[i++] = str;
while(*str && *str!=',') { while(*str && *str!=',') {
if(*str=='_') *str=' '; if (*str == '_')
*str=' ';
str++; str++;
} }
if(*str!=',') if (*str != ',')
break; break;
*str++='\0'; *str++ = '\0';
} while(1); } while (1);
init->argw.argv[i]=NULL;
return(1); init->argw.argv[i] = NULL;
return 1;
} }
static struct transport slirp_transport = { static struct transport slirp_transport = {
......
arch/um/drivers/slirp_user.c
View file @ cd1ae0e4
#include <stdio.h> /*
#include <stdlib.h> * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL.
*/
#include <unistd.h> #include <unistd.h>
#include <stddef.h>
#include <sched.h>
#include <string.h>
#include <errno.h> #include <errno.h>
#include <string.h>
#include <sys/wait.h> #include <sys/wait.h>
#include <sys/signal.h> #include "kern_constants.h"
#include "kern_util.h"
#include "user.h"
#include "net_user.h" #include "net_user.h"
#include "slirp.h"
#include "slip_common.h"
#include "os.h" #include "os.h"
#include "slirp.h"
#include "user.h"
static int slirp_user_init(void *data, void *dev) static int slirp_user_init(void *data, void *dev)
{ {
...@@ -31,8 +30,10 @@ static void slirp_pre_exec(void *arg) ...@@ -31,8 +30,10 @@ static void slirp_pre_exec(void *arg)
{ {
struct slirp_pre_exec_data *data = arg; struct slirp_pre_exec_data *data = arg;
if(data->stdin != -1) dup2(data->stdin, 0); if (data->stdin != -1)
if(data->stdout != -1) dup2(data->stdout, 1); dup2(data->stdin, 0);
if (data->stdout != -1)
dup2(data->stdout, 1);
} }
static int slirp_tramp(char **argv, int fd) static int slirp_tramp(char **argv, int fd)
...@@ -44,7 +45,7 @@ static int slirp_tramp(char **argv, int fd) ...@@ -44,7 +45,7 @@ static int slirp_tramp(char **argv, int fd)
pe_data.stdout = fd; pe_data.stdout = fd;
pid = run_helper(slirp_pre_exec, &pe_data, argv); pid = run_helper(slirp_pre_exec, &pe_data, argv);
return(pid); return pid;
} }
static int slirp_open(void *data) static int slirp_open(void *data)
...@@ -53,12 +54,12 @@ static int slirp_open(void *data) ...@@ -53,12 +54,12 @@ static int slirp_open(void *data)
int fds[2], pid, err; int fds[2], pid, err;
err = os_pipe(fds, 1, 1); err = os_pipe(fds, 1, 1);
if(err) if (err)
return(err); return err;
err = slirp_tramp(pri->argw.argv, fds[1]); err = slirp_tramp(pri->argw.argv, fds[1]);
if(err < 0){ if (err < 0) {
printk("slirp_tramp failed - errno = %d\n", -err); printk(UM_KERN_ERR "slirp_tramp failed - errno = %d\n", -err);
goto out; goto out;
} }
pid = err; pid = err;
...@@ -68,10 +69,10 @@ static int slirp_open(void *data) ...@@ -68,10 +69,10 @@ static int slirp_open(void *data)
pri->slip.esc = 0; pri->slip.esc = 0;
pri->pid = err; pri->pid = err;
return(fds[0]); return fds[0];
out: out:
os_close_file(fds[0]); close(fds[0]);
os_close_file(fds[1]); close(fds[1]);
return err; return err;
} }
...@@ -80,31 +81,33 @@ static void slirp_close(int fd, void *data) ...@@ -80,31 +81,33 @@ static void slirp_close(int fd, void *data)
struct slirp_data *pri = data; struct slirp_data *pri = data;
int status,err; int status,err;
os_close_file(fd); close(fd);
os_close_file(pri->slave); close(pri->slave);
pri->slave = -1; pri->slave = -1;
if(pri->pid<1) { if (pri->pid<1) {
printk("slirp_close: no child process to shut down\n"); printk(UM_KERN_ERR "slirp_close: no child process to shut "
"down\n");
return; return;
} }
#if 0 #if 0
if(kill(pri->pid, SIGHUP)<0) { if (kill(pri->pid, SIGHUP)<0) {
printk("slirp_close: sending hangup to %d failed (%d)\n", printk(UM_KERN_ERR "slirp_close: sending hangup to %d failed "
pri->pid, errno); "(%d)\n", pri->pid, errno);
} }
#endif #endif
CATCH_EINTR(err = waitpid(pri->pid, &status, WNOHANG)); CATCH_EINTR(err = waitpid(pri->pid, &status, WNOHANG));
if(err < 0) { if (err < 0) {
printk("slirp_close: waitpid returned %d\n", errno); printk(UM_KERN_ERR "slirp_close: waitpid returned %d\n", errno);
return; return;
} }
if(err == 0) { if (err == 0) {
printk("slirp_close: process %d has not exited\n", pri->pid); printk(UM_KERN_ERR "slirp_close: process %d has not exited\n",
pri->pid);
return; return;
} }
...@@ -123,7 +126,7 @@ int slirp_user_write(int fd, void *buf, int len, struct slirp_data *pri) ...@@ -123,7 +126,7 @@ int slirp_user_write(int fd, void *buf, int len, struct slirp_data *pri)
static int slirp_set_mtu(int mtu, void *data) static int slirp_set_mtu(int mtu, void *data)
{ {
return(mtu); return mtu;
} }
const struct net_user_info slirp_user_info = { const struct net_user_info slirp_user_info = {
......
arch/um/drivers/vde_kern.c
View file @ cd1ae0e4
...@@ -7,10 +7,8 @@ ...@@ -7,10 +7,8 @@
* *
*/ */
#include "linux/kernel.h"
#include "linux/init.h" #include "linux/init.h"
#include "linux/netdevice.h" #include <linux/netdevice.h>
#include "linux/etherdevice.h"
#include "net_kern.h" #include "net_kern.h"
#include "net_user.h" #include "net_user.h"
#include "vde.h" #include "vde.h"
...@@ -30,12 +28,12 @@ static void vde_init(struct net_device *dev, void *data) ...@@ -30,12 +28,12 @@ static void vde_init(struct net_device *dev, void *data)
vpri->conn = NULL; vpri->conn = NULL;
vpri->dev = dev; vpri->dev = dev;
printk(KERN_INFO "vde backend - %s, ", vpri->vde_switch ? printk("vde backend - %s, ", vpri->vde_switch ?
vpri->vde_switch : "(default socket)"); vpri->vde_switch : "(default socket)");
vde_init_libstuff(vpri, init); 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) static int vde_read(int fd, struct sk_buff **skb, struct uml_net_private *lp)
......
arch/um/drivers/vde_user.c
View file @ cd1ae0e4
...@@ -3,15 +3,13 @@ ...@@ -3,15 +3,13 @@
* Licensed under the GPL. * Licensed under the GPL.
*/ */
#include <stddef.h>
#include <errno.h> #include <errno.h>
#include <unistd.h>
#include <libvdeplug.h> #include <libvdeplug.h>
#include "net_user.h"
#include "kern_util.h"
#include "kern_constants.h" #include "kern_constants.h"
#include "user.h" #include "net_user.h"
#include "os.h"
#include "um_malloc.h" #include "um_malloc.h"
#include "user.h"
#include "vde.h" #include "vde.h"
#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER) #define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
......
arch/um/os-Linux/drivers/etap.h
View file @ cd1ae0e4
/* /*
* Copyright (C) 2001 Jeff Dike (jdike@karaya.com) * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
#ifndef __DRIVERS_ETAP_H
#define __DRIVERS_ETAP_H
#include "net_user.h" #include "net_user.h"
struct ethertap_data { struct ethertap_data {
...@@ -15,13 +18,4 @@ struct ethertap_data { ...@@ -15,13 +18,4 @@ struct ethertap_data {
extern const struct net_user_info ethertap_user_info; extern const struct net_user_info ethertap_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:
*/
arch/um/os-Linux/drivers/ethertap_kern.c
View file @ cd1ae0e4
/* /*
* Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net). * 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. * Copyright (C) 2001 by various other people who didn't put their name here.
* Licensed under the GPL. * Licensed under the GPL.
*/ */
#include "linux/init.h" #include "linux/init.h"
#include "linux/netdevice.h" #include <linux/netdevice.h>
#include "linux/etherdevice.h"
#include "net_kern.h"
#include "net_user.h"
#include "etap.h" #include "etap.h"
#include "net_kern.h"
struct ethertap_init { struct ethertap_init {
char *dev_name; char *dev_name;
...@@ -42,27 +41,30 @@ static int etap_read(int fd, struct sk_buff **skb, struct uml_net_private *lp) ...@@ -42,27 +41,30 @@ static int etap_read(int fd, struct sk_buff **skb, struct uml_net_private *lp)
int len; int len;
*skb = ether_adjust_skb(*skb, ETH_HEADER_ETHERTAP); *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), len = net_recvfrom(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + 2 * ETH_HEADER_ETHERTAP); (*skb)->dev->mtu + 2 * ETH_HEADER_ETHERTAP);
if(len <= 0) return(len); if (len <= 0)
return len;
skb_pull(*skb, 2); skb_pull(*skb, 2);
len -= 2; len -= 2;
return(len); return len;
} }
static int etap_write(int fd, struct sk_buff **skb, struct uml_net_private *lp) 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; struct sk_buff *skb2;
skb2 = skb_realloc_headroom(*skb, 2); skb2 = skb_realloc_headroom(*skb, 2);
dev_kfree_skb(*skb); dev_kfree_skb(*skb);
if (skb2 == NULL) return(-ENOMEM); if (skb2 == NULL)
return -ENOMEM;
*skb = skb2; *skb = skb2;
} }
skb_push(*skb, 2); 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 = { const struct net_kern_info ethertap_kern_info = {
...@@ -79,15 +81,15 @@ int ethertap_setup(char *str, char **mac_out, void *data) ...@@ -79,15 +81,15 @@ int ethertap_setup(char *str, char **mac_out, void *data)
*init = ((struct ethertap_init) *init = ((struct ethertap_init)
{ .dev_name = NULL, { .dev_name = NULL,
.gate_addr = 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)) &init->gate_addr))
return(0); return 0;
if(init->dev_name == NULL){ if (init->dev_name == NULL) {
printk("ethertap_setup : Missing tap device name\n"); printk(KERN_ERR "ethertap_setup : Missing tap device name\n");
return(0); return 0;
} }
return(1); return 1;
} }
static struct transport ethertap_transport = { static struct transport ethertap_transport = {
......
arch/um/os-Linux/drivers/ethertap_user.c
View file @ cd1ae0e4
/* /*
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net). * James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here. * Copyright (C) 2001 by various other people who didn't put their name here.
...@@ -7,20 +8,16 @@ ...@@ -7,20 +8,16 @@
#include <stdio.h> #include <stdio.h>
#include <unistd.h> #include <unistd.h>
#include <stddef.h> #include <errno.h>
#include <stdlib.h> #include <string.h>
#include <sys/errno.h>
#include <sys/socket.h> #include <sys/socket.h>
#include <sys/wait.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 "etap.h"
#include "kern_constants.h"
#include "os.h" #include "os.h"
#include "net_user.h"
#include "um_malloc.h" #include "um_malloc.h"
#include "kern_constants.h" #include "user.h"
#define MAX_PACKET ETH_MAX_PACKET #define MAX_PACKET ETH_MAX_PACKET
...@@ -49,16 +46,18 @@ static void etap_change(int op, unsigned char *addr, unsigned char *netmask, ...@@ -49,16 +46,18 @@ static void etap_change(int op, unsigned char *addr, unsigned char *netmask,
memcpy(change.addr, addr, sizeof(change.addr)); memcpy(change.addr, addr, sizeof(change.addr));
memcpy(change.netmask, netmask, sizeof(change.netmask)); memcpy(change.netmask, netmask, sizeof(change.netmask));
CATCH_EINTR(n = write(fd, &change, sizeof(change))); CATCH_EINTR(n = write(fd, &change, sizeof(change)));
if(n != sizeof(change)){ if (n != sizeof(change)) {
printk("etap_change - request failed, err = %d\n", errno); printk(UM_KERN_ERR "etap_change - request failed, err = %d\n",
errno);
return; return;
} }
output = kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL); output = kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL);
if(output == NULL) if (output == NULL)
printk("etap_change : Failed to allocate output buffer\n"); printk(UM_KERN_ERR "etap_change : Failed to allocate output "
"buffer\n");
read_output(fd, output, UM_KERN_PAGE_SIZE); read_output(fd, output, UM_KERN_PAGE_SIZE);
if(output != NULL){ if (output != NULL) {
printk("%s", output); printk("%s", output);
kfree(output); kfree(output);
} }
...@@ -107,7 +106,7 @@ static int etap_tramp(char *dev, char *gate, int control_me, ...@@ -107,7 +106,7 @@ static int etap_tramp(char *dev, char *gate, int control_me,
sprintf(data_fd_buf, "%d", data_remote); sprintf(data_fd_buf, "%d", data_remote);
sprintf(version_buf, "%d", UML_NET_VERSION); sprintf(version_buf, "%d", UML_NET_VERSION);
if(gate != NULL){ if (gate != NULL) {
strcpy(gate_buf, gate); strcpy(gate_buf, gate);
args = setup_args; args = setup_args;
} }
...@@ -119,24 +118,26 @@ static int etap_tramp(char *dev, char *gate, int control_me, ...@@ -119,24 +118,26 @@ static int etap_tramp(char *dev, char *gate, int control_me,
pe_data.data_me = data_me; pe_data.data_me = data_me;
pid = run_helper(etap_pre_exec, &pe_data, args); pid = run_helper(etap_pre_exec, &pe_data, args);
if(pid < 0) if (pid < 0)
err = pid; err = pid;
close(data_remote); close(data_remote);
close(control_remote); close(control_remote);
CATCH_EINTR(n = read(control_me, &c, sizeof(c))); CATCH_EINTR(n = read(control_me, &c, sizeof(c)));
if(n != sizeof(c)){ if (n != sizeof(c)) {
err = -errno; 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; return err;
} }
if(c != 1){ if (c != 1) {
printk("etap_tramp : uml_net failed\n"); printk(UM_KERN_ERR "etap_tramp : uml_net failed\n");
err = -EINVAL; err = -EINVAL;
CATCH_EINTR(n = waitpid(pid, &status, 0)); CATCH_EINTR(n = waitpid(pid, &status, 0));
if(n < 0) if (n < 0)
err = -errno; err = -errno;
else if(!WIFEXITED(status) || (WEXITSTATUS(status) != 1)) else if (!WIFEXITED(status) || (WEXITSTATUS(status) != 1))
printk("uml_net didn't exit with status 1\n"); printk(UM_KERN_ERR "uml_net didn't exit with "
"status 1\n");
} }
return err; return err;
} }
...@@ -148,22 +149,22 @@ static int etap_open(void *data) ...@@ -148,22 +149,22 @@ static int etap_open(void *data)
int data_fds[2], control_fds[2], err, output_len; int data_fds[2], control_fds[2], err, output_len;
err = tap_open_common(pri->dev, pri->gate_addr); err = tap_open_common(pri->dev, pri->gate_addr);
if(err) if (err)
return err; return err;
err = socketpair(AF_UNIX, SOCK_DGRAM, 0, data_fds); err = socketpair(AF_UNIX, SOCK_DGRAM, 0, data_fds);
if(err){ if (err) {
err = -errno; err = -errno;
printk("etap_open - data socketpair failed - err = %d\n", printk(UM_KERN_ERR "etap_open - data socketpair failed - "
errno); "err = %d\n", errno);
return err; return err;
} }
err = socketpair(AF_UNIX, SOCK_STREAM, 0, control_fds); err = socketpair(AF_UNIX, SOCK_STREAM, 0, control_fds);
if(err){ if (err) {
err = -errno; err = -errno;
printk("etap_open - control socketpair failed - err = %d\n", printk(UM_KERN_ERR "etap_open - control socketpair failed - "
errno); "err = %d\n", errno);
goto out_close_data; goto out_close_data;
} }
...@@ -173,15 +174,16 @@ static int etap_open(void *data) ...@@ -173,15 +174,16 @@ static int etap_open(void *data)
output = kmalloc(output_len, UM_GFP_KERNEL); output = kmalloc(output_len, UM_GFP_KERNEL);
read_output(control_fds[0], output, output_len); read_output(control_fds[0], output, output_len);
if(output == NULL) if (output == NULL)
printk("etap_open : failed to allocate output buffer\n"); printk(UM_KERN_ERR "etap_open : failed to allocate output "
"buffer\n");
else { else {
printk("%s", output); printk("%s", output);
kfree(output); kfree(output);
} }
if(err < 0){ if (err < 0) {
printk("etap_tramp failed - err = %d\n", -err); printk(UM_KERN_ERR "etap_tramp failed - err = %d\n", -err);
goto out_close_control; goto out_close_control;
} }
...@@ -206,14 +208,14 @@ static void etap_close(int fd, void *data) ...@@ -206,14 +208,14 @@ static void etap_close(int fd, void *data)
iter_addresses(pri->dev, etap_close_addr, &pri->control_fd); iter_addresses(pri->dev, etap_close_addr, &pri->control_fd);
close(fd); close(fd);
if(shutdown(pri->data_fd, SHUT_RDWR) < 0) if (shutdown(pri->data_fd, SHUT_RDWR) < 0)
printk("etap_close - shutdown data socket failed, errno = %d\n", printk(UM_KERN_ERR "etap_close - shutdown data socket failed, "
errno);
if(shutdown(pri->control_fd, SHUT_RDWR) < 0)
printk("etap_close - shutdown control socket failed, "
"errno = %d\n", errno); "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); close(pri->data_fd);
pri->data_fd = -1; pri->data_fd = -1;
close(pri->control_fd); close(pri->control_fd);
...@@ -231,7 +233,7 @@ static void etap_add_addr(unsigned char *addr, unsigned char *netmask, ...@@ -231,7 +233,7 @@ static void etap_add_addr(unsigned char *addr, unsigned char *netmask,
struct ethertap_data *pri = data; struct ethertap_data *pri = data;
tap_check_ips(pri->gate_addr, addr); tap_check_ips(pri->gate_addr, addr);
if(pri->control_fd == -1) if (pri->control_fd == -1)
return; return;
etap_open_addr(addr, netmask, &pri->control_fd); etap_open_addr(addr, netmask, &pri->control_fd);
} }
...@@ -241,7 +243,7 @@ static void etap_del_addr(unsigned char *addr, unsigned char *netmask, ...@@ -241,7 +243,7 @@ static void etap_del_addr(unsigned char *addr, unsigned char *netmask,
{ {
struct ethertap_data *pri = data; struct ethertap_data *pri = data;
if(pri->control_fd == -1) if (pri->control_fd == -1)
return; return;
etap_close_addr(addr, netmask, &pri->control_fd); etap_close_addr(addr, netmask, &pri->control_fd);
......
arch/um/os-Linux/drivers/tuntap.h
View file @ cd1ae0e4
/* /*
* Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
...@@ -19,14 +19,3 @@ struct tuntap_data { ...@@ -19,14 +19,3 @@ struct tuntap_data {
extern const struct net_user_info tuntap_user_info; extern const struct net_user_info tuntap_user_info;
#endif #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:
*/
arch/um/os-Linux/drivers/tuntap_kern.c
View file @ cd1ae0e4
/* /*
* Copyright (C) 2001 Jeff Dike (jdike@karaya.com) * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
#include "linux/stddef.h" #include <linux/netdevice.h>
#include "linux/netdevice.h" #include <linux/init.h>
#include "linux/etherdevice.h" #include <linux/skbuff.h>
#include "linux/skbuff.h" #include <asm/errno.h>
#include "linux/init.h"
#include "asm/errno.h"
#include "net_kern.h" #include "net_kern.h"
#include "net_user.h"
#include "tuntap.h" #include "tuntap.h"
struct tuntap_init { struct tuntap_init {
...@@ -38,19 +35,20 @@ static void tuntap_init(struct net_device *dev, void *data) ...@@ -38,19 +35,20 @@ static void tuntap_init(struct net_device *dev, void *data)
printk("\n"); 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) struct uml_net_private *lp)
{ {
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER); *skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
if(*skb == NULL) return(-ENOMEM); if (*skb == NULL)
return(net_read(fd, skb_mac_header(*skb), return -ENOMEM;
(*skb)->dev->mtu + ETH_HEADER_OTHER)); 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) 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 = { const struct net_kern_info tuntap_kern_info = {
...@@ -67,11 +65,11 @@ int tuntap_setup(char *str, char **mac_out, void *data) ...@@ -67,11 +65,11 @@ int tuntap_setup(char *str, char **mac_out, void *data)
*init = ((struct tuntap_init) *init = ((struct tuntap_init)
{ .dev_name = NULL, { .dev_name = NULL,
.gate_addr = 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)) &init->gate_addr))
return(0); return 0;
return(1); return 1;
} }
static struct transport tuntap_transport = { static struct transport tuntap_transport = {
......
arch/um/os-Linux/drivers/tuntap_user.c
View file @ cd1ae0e4
/* /*
* Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL * Licensed under the GPL
*/ */
#include <stdio.h> #include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h> #include <unistd.h>
#include <errno.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/socket.h>
#include <sys/un.h> #include <sys/wait.h>
#include <sys/uio.h> #include <sys/uio.h>
#include <sys/ioctl.h> #include "kern_constants.h"
#include <net/if.h> #include "os.h"
#include <linux/if_tun.h>
#include "net_user.h"
#include "tuntap.h" #include "tuntap.h"
#include "kern_util.h"
#include "user.h" #include "user.h"
#include "os.h"
#define MAX_PACKET ETH_MAX_PACKET #define MAX_PACKET ETH_MAX_PACKET
...@@ -37,7 +34,7 @@ static void tuntap_add_addr(unsigned char *addr, unsigned char *netmask, ...@@ -37,7 +34,7 @@ static void tuntap_add_addr(unsigned char *addr, unsigned char *netmask,
struct tuntap_data *pri = data; struct tuntap_data *pri = data;
tap_check_ips(pri->gate_addr, addr); tap_check_ips(pri->gate_addr, addr);
if((pri->fd == -1) || pri->fixed_config) if ((pri->fd == -1) || pri->fixed_config)
return; return;
open_addr(addr, netmask, pri->dev_name); open_addr(addr, netmask, pri->dev_name);
} }
...@@ -47,7 +44,7 @@ static void tuntap_del_addr(unsigned char *addr, unsigned char *netmask, ...@@ -47,7 +44,7 @@ static void tuntap_del_addr(unsigned char *addr, unsigned char *netmask,
{ {
struct tuntap_data *pri = data; struct tuntap_data *pri = data;
if((pri->fd == -1) || pri->fixed_config) if ((pri->fd == -1) || pri->fixed_config)
return; return;
close_addr(addr, netmask, pri->dev_name); close_addr(addr, netmask, pri->dev_name);
} }
...@@ -85,14 +82,14 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote, ...@@ -85,14 +82,14 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote,
pid = run_helper(tuntap_pre_exec, &data, argv); pid = run_helper(tuntap_pre_exec, &data, argv);
if(pid < 0) if (pid < 0)
return -pid; return -pid;
close(remote); close(remote);
msg.msg_name = NULL; msg.msg_name = NULL;
msg.msg_namelen = 0; msg.msg_namelen = 0;
if(buffer != NULL){ if (buffer != NULL) {
iov = ((struct iovec) { buffer, buffer_len }); iov = ((struct iovec) { buffer, buffer_len });
msg.msg_iov = &iov; msg.msg_iov = &iov;
msg.msg_iovlen = 1; msg.msg_iovlen = 1;
...@@ -106,22 +103,24 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote, ...@@ -106,22 +103,24 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote,
msg.msg_flags = 0; msg.msg_flags = 0;
n = recvmsg(me, &msg, 0); n = recvmsg(me, &msg, 0);
*used_out = n; *used_out = n;
if(n < 0){ if (n < 0) {
err = -errno; err = -errno;
printk("tuntap_open_tramp : recvmsg failed - errno = %d\n", printk(UM_KERN_ERR "tuntap_open_tramp : recvmsg failed - "
errno); "errno = %d\n", errno);
return err; return err;
} }
CATCH_EINTR(waitpid(pid, NULL, 0)); CATCH_EINTR(waitpid(pid, NULL, 0));
cmsg = CMSG_FIRSTHDR(&msg); cmsg = CMSG_FIRSTHDR(&msg);
if(cmsg == NULL){ if (cmsg == NULL) {
printk("tuntap_open_tramp : didn't receive a message\n"); printk(UM_KERN_ERR "tuntap_open_tramp : didn't receive a "
"message\n");
return -EINVAL; return -EINVAL;
} }
if((cmsg->cmsg_level != SOL_SOCKET) || if ((cmsg->cmsg_level != SOL_SOCKET) ||
(cmsg->cmsg_type != SCM_RIGHTS)){ (cmsg->cmsg_type != SCM_RIGHTS)) {
printk("tuntap_open_tramp : didn't receive a descriptor\n"); printk(UM_KERN_ERR "tuntap_open_tramp : didn't receive a "
"descriptor\n");
return -EINVAL; return -EINVAL;
} }
*fd_out = ((int *) CMSG_DATA(cmsg))[0]; *fd_out = ((int *) CMSG_DATA(cmsg))[0];
...@@ -137,38 +136,39 @@ static int tuntap_open(void *data) ...@@ -137,38 +136,39 @@ static int tuntap_open(void *data)
int err, fds[2], len, used; int err, fds[2], len, used;
err = tap_open_common(pri->dev, pri->gate_addr); err = tap_open_common(pri->dev, pri->gate_addr);
if(err < 0) if (err < 0)
return err; return err;
if(pri->fixed_config){ if (pri->fixed_config) {
pri->fd = os_open_file("/dev/net/tun", pri->fd = os_open_file("/dev/net/tun",
of_cloexec(of_rdwr(OPENFLAGS())), 0); of_cloexec(of_rdwr(OPENFLAGS())), 0);
if(pri->fd < 0){ if (pri->fd < 0) {
printk("Failed to open /dev/net/tun, err = %d\n", printk(UM_KERN_ERR "Failed to open /dev/net/tun, "
-pri->fd); "err = %d\n", -pri->fd);
return pri->fd; return pri->fd;
} }
memset(&ifr, 0, sizeof(ifr)); memset(&ifr, 0, sizeof(ifr));
ifr.ifr_flags = IFF_TAP | IFF_NO_PI; ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
strlcpy(ifr.ifr_name, pri->dev_name, sizeof(ifr.ifr_name)); 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; err = -errno;
printk("TUNSETIFF failed, errno = %d\n", errno); printk(UM_KERN_ERR "TUNSETIFF failed, errno = %d\n",
errno);
close(pri->fd); close(pri->fd);
return err; return err;
} }
} }
else { else {
err = socketpair(AF_UNIX, SOCK_DGRAM, 0, fds); err = socketpair(AF_UNIX, SOCK_DGRAM, 0, fds);
if(err){ if (err) {
err = -errno; err = -errno;
printk("tuntap_open : socketpair failed - errno = %d\n", printk(UM_KERN_ERR "tuntap_open : socketpair failed - "
errno); "errno = %d\n", errno);
return err; return err;
} }
buffer = get_output_buffer(&len); buffer = get_output_buffer(&len);
if(buffer != NULL) if (buffer != NULL)
len--; len--;
used = 0; used = 0;
...@@ -176,10 +176,11 @@ static int tuntap_open(void *data) ...@@ -176,10 +176,11 @@ static int tuntap_open(void *data)
fds[1], buffer, len, &used); fds[1], buffer, len, &used);
output = buffer; output = buffer;
if(err < 0) { if (err < 0) {
printk("%s", output); printk("%s", output);
free_output_buffer(buffer); 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; return err;
} }
...@@ -199,7 +200,7 @@ static void tuntap_close(int fd, void *data) ...@@ -199,7 +200,7 @@ static void tuntap_close(int fd, void *data)
{ {
struct tuntap_data *pri = data; struct tuntap_data *pri = data;
if(!pri->fixed_config) if (!pri->fixed_config)
iter_addresses(pri->dev, close_addr, pri->dev_name); iter_addresses(pri->dev, close_addr, pri->dev_name);
close(fd); close(fd);
pri->fd = -1; pri->fd = -1;
......
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