/*
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here.
* Licensed under the GPL.
*/
-#include "linux/kernel.h"
-#include "linux/netdevice.h"
-#include "linux/rtnetlink.h"
-#include "linux/skbuff.h"
-#include "linux/socket.h"
-#include "linux/spinlock.h"
-#include "linux/module.h"
-#include "linux/init.h"
-#include "linux/etherdevice.h"
-#include "linux/list.h"
-#include "linux/inetdevice.h"
-#include "linux/ctype.h"
-#include "linux/bootmem.h"
-#include "linux/ethtool.h"
-#include "linux/platform_device.h"
-#include "asm/uaccess.h"
-#include "kern_util.h"
-#include "net_kern.h"
-#include "net_user.h"
-#include "mconsole_kern.h"
+#include <linux/bootmem.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/inetdevice.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
+#include <linux/platform_device.h>
+#include <linux/rtnetlink.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
#include "init.h"
-#include "irq_user.h"
#include "irq_kern.h"
+#include "irq_user.h"
+#include "mconsole_kern.h"
+#include "net_kern.h"
+#include "net_user.h"
static inline void set_ether_mac(struct net_device *dev, unsigned char *addr)
{
struct uml_net_private *lp = dev->priv;
int err;
- if(!netif_running(dev))
- return(IRQ_NONE);
+ if (!netif_running(dev))
+ return IRQ_NONE;
spin_lock(&lp->lock);
- while((err = uml_net_rx(dev)) > 0) ;
- if(err < 0) {
+ while ((err = uml_net_rx(dev)) > 0) ;
+ if (err < 0) {
printk(KERN_ERR
"Device '%s' read returned %d, shutting it down\n",
dev->name, err);
struct uml_net_private *lp = dev->priv;
int err;
- if(lp->fd >= 0){
+ if (lp->fd >= 0) {
err = -ENXIO;
goto out;
}
lp->fd = (*lp->open)(&lp->user);
- if(lp->fd < 0){
+ if (lp->fd < 0) {
err = lp->fd;
goto out;
}
err = um_request_irq(dev->irq, lp->fd, IRQ_READ, uml_net_interrupt,
IRQF_DISABLED | IRQF_SHARED, dev->name, dev);
- if(err != 0){
+ if (err != 0) {
printk(KERN_ERR "uml_net_open: failed to get irq(%d)\n", err);
err = -ENETUNREACH;
goto out_close;
* is full when we get here. In this case, new data is never queued,
* SIGIOs never arrive, and the net never works.
*/
- while((err = uml_net_rx(dev)) > 0) ;
+ while ((err = uml_net_rx(dev)) > 0) ;
spin_lock(&opened_lock);
list_add(&lp->list, &opened);
return 0;
out_close:
- if(lp->close != NULL) (*lp->close)(lp->fd, &lp->user);
+ if (lp->close != NULL) (*lp->close)(lp->fd, &lp->user);
lp->fd = -1;
out:
return err;
netif_stop_queue(dev);
free_irq(dev->irq, dev);
- if(lp->close != NULL)
+ if (lp->close != NULL)
(*lp->close)(lp->fd, &lp->user);
lp->fd = -1;
len = (*lp->write)(lp->fd, &skb, lp);
- if(len == skb->len) {
+ if (len == skb->len) {
lp->stats.tx_packets++;
lp->stats.tx_bytes += skb->len;
dev->trans_start = jiffies;
/* this is normally done in the interrupt when tx finishes */
netif_wake_queue(dev);
}
- else if(len == 0){
+ else if (len == 0) {
netif_start_queue(dev);
lp->stats.tx_dropped++;
}
static void uml_net_set_multicast_list(struct net_device *dev)
{
- if (dev->flags & IFF_PROMISC) return;
- else if (dev->mc_count) dev->flags |= IFF_ALLMULTI;
+ if (dev->flags & IFF_PROMISC)
+ return;
+ else if (dev->mc_count)
+ dev->flags |= IFF_ALLMULTI;
else dev->flags &= ~IFF_ALLMULTI;
}
spin_lock_irq(&lp->lock);
new_mtu = (*lp->set_mtu)(new_mtu, &lp->user);
- if(new_mtu < 0){
+ if (new_mtu < 0) {
err = new_mtu;
goto out;
}
char *end;
int i;
- if(str == NULL)
+ if (str == NULL)
goto random;
- for(i=0;i<6;i++){
+ for (i = 0;i < 6; i++) {
addr[i] = simple_strtoul(str, &end, 16);
- if((end == str) ||
- ((*end != ':') && (*end != ',') && (*end != '\0'))){
+ if ((end == str) ||
+ ((*end != ':') && (*end != ',') && (*end != '\0'))) {
printk(KERN_ERR
"setup_etheraddr: failed to parse '%s' "
"as an ethernet address\n", str);
struct net_device *netdev = device->dev;
struct uml_net_private *lp = netdev->priv;
- if(lp->remove != NULL)
+ if (lp->remove != NULL)
(*lp->remove)(&lp->user);
list_del(&device->list);
kfree(device);
device->pdev.name = DRIVER_NAME;
device->pdev.dev.release = net_device_release;
device->pdev.dev.driver_data = device;
- if(platform_device_register(&device->pdev))
+ if (platform_device_register(&device->pdev))
goto out_free_netdev;
SET_NETDEV_DEV(dev,&device->pdev.dev);
struct list_head *ele;
spin_lock(&devices_lock);
- list_for_each(ele, &devices){
+ list_for_each(ele, &devices) {
device = list_entry(ele, struct uml_net, list);
- if(device->index == n)
+ if (device->index == n)
goto out;
}
device = NULL;
int n, err = -EINVAL;;
n = simple_strtoul(str, &end, 0);
- if(end == str){
+ if (end == str) {
*error_out = "Bad device number";
return err;
}
str = end;
- if(*str != '='){
+ if (*str != '=') {
*error_out = "Expected '=' after device number";
return err;
}
str++;
- if(find_device(n)){
+ if (find_device(n)) {
*error_out = "Device already configured";
return err;
}
int len;
len = strlen(transport->name);
- if(strncmp(eth, transport->name, len))
+ if (strncmp(eth, transport->name, len))
return 0;
eth += len;
- if(*eth == ',')
+ if (*eth == ',')
eth++;
- else if(*eth != '\0')
+ else if (*eth != '\0')
return 0;
*init_out = kmalloc(transport->setup_size, GFP_KERNEL);
- if(*init_out == NULL)
+ if (*init_out == NULL)
return 1;
- if(!transport->setup(eth, mac_out, *init_out)){
+ if (!transport->setup(eth, mac_out, *init_out)) {
kfree(*init_out);
*init_out = NULL;
}
list_add(&new->list, &transports);
spin_unlock(&transports_lock);
- list_for_each_safe(ele, next, ð_cmd_line){
+ list_for_each_safe(ele, next, ð_cmd_line) {
eth = list_entry(ele, struct eth_init, list);
match = check_transport(new, eth->init, eth->index, &init,
&mac);
- if(!match)
+ if (!match)
continue;
- else if(init != NULL){
+ else if (init != NULL) {
eth_configure(eth->index, init, mac, new);
kfree(init);
}
int found = 0;
spin_lock(&transports_lock);
- list_for_each(ele, &transports){
+ list_for_each(ele, &transports) {
transport = list_entry(ele, struct transport, list);
- if(!check_transport(transport, str, index, &init, &mac))
+ if (!check_transport(transport, str, index, &init, &mac))
continue;
- if(init != NULL){
+ if (init != NULL) {
eth_configure(index, init, mac, transport);
kfree(init);
}
return found;
}
-static int eth_setup(char *str)
+static int __init eth_setup(char *str)
{
struct eth_init *new;
char *error;
int n, err;
err = eth_parse(str, &n, &str, &error);
- if(err){
+ if (err) {
printk(KERN_ERR "eth_setup - Couldn't parse '%s' : %s\n",
str, error);
return 1;
}
new = alloc_bootmem(sizeof(*new));
- if (new == NULL){
- printk("eth_init : alloc_bootmem failed\n");
+ if (new == NULL) {
+ printk(KERN_ERR "eth_init : alloc_bootmem failed\n");
return 1;
}
int n, err;
err = eth_parse(str, &n, &str, error_out);
- if(err)
+ if (err)
return err;
/* This string is broken up and the pieces used by the underlying
* driver. So, it is freed only if eth_setup_common fails.
*/
str = kstrdup(str, GFP_KERNEL);
- if(str == NULL){
+ if (str == NULL) {
*error_out = "net_config failed to strdup string";
return -ENOMEM;
}
err = !eth_setup_common(str, n);
- if(err)
+ if (err)
kfree(str);
- return(err);
+ return err;
}
static int net_id(char **str, int *start_out, int *end_out)
{
- char *end;
- int n;
+ char *end;
+ int n;
n = simple_strtoul(*str, &end, 0);
- if((*end != '\0') || (end == *str))
+ if ((*end != '\0') || (end == *str))
return -1;
- *start_out = n;
- *end_out = n;
- *str = end;
- return n;
+ *start_out = n;
+ *end_out = n;
+ *str = end;
+ return n;
}
static int net_remove(int n, char **error_out)
struct uml_net_private *lp;
device = find_device(n);
- if(device == NULL)
+ if (device == NULL)
return -ENODEV;
dev = device->dev;
lp = dev->priv;
- if(lp->fd > 0)
+ if (lp->fd > 0)
return -EBUSY;
unregister_netdev(dev);
platform_device_unregister(&device->pdev);
void (*proc)(unsigned char *, unsigned char *, void *);
unsigned char addr_buf[4], netmask_buf[4];
- if(dev->open != uml_net_open)
+ if (dev->open != uml_net_open)
return NOTIFY_DONE;
lp = dev->priv;
proc = NULL;
- switch (event){
+ switch (event) {
case NETDEV_UP:
proc = lp->add_address;
break;
proc = lp->delete_address;
break;
}
- if(proc != NULL){
+ if (proc != NULL) {
memcpy(addr_buf, &ifa->ifa_address, sizeof(addr_buf));
memcpy(netmask_buf, &ifa->ifa_mask, sizeof(netmask_buf));
(*proc)(addr_buf, netmask_buf, &lp->user);
* addresses which have already been set up get handled properly.
*/
spin_lock(&opened_lock);
- list_for_each(ele, &opened){
+ list_for_each(ele, &opened) {
lp = list_entry(ele, struct uml_net_private, list);
ip = lp->dev->ip_ptr;
- if(ip == NULL)
+ if (ip == NULL)
continue;
in = ip->ifa_list;
- while(in != NULL){
+ while (in != NULL) {
uml_inetaddr_event(NULL, NETDEV_UP, in);
in = in->ifa_next;
}
struct uml_net_private *lp;
spin_lock(&opened_lock);
- list_for_each(ele, &opened){
+ list_for_each(ele, &opened) {
lp = list_entry(ele, struct uml_net_private, list);
free_irq(lp->dev->irq, lp->dev);
- if((lp->close != NULL) && (lp->fd >= 0))
+ if ((lp->close != NULL) && (lp->fd >= 0))
(*lp->close)(lp->fd, &lp->user);
- if(lp->remove != NULL)
+ if (lp->remove != NULL)
(*lp->remove)(&lp->user);
}
spin_unlock(&opened_lock);
struct sk_buff *ether_adjust_skb(struct sk_buff *skb, int extra)
{
- if((skb != NULL) && (skb_tailroom(skb) < extra)){
+ if ((skb != NULL) && (skb_tailroom(skb) < extra)) {
struct sk_buff *skb2;
skb2 = skb_copy_expand(skb, 0, extra, GFP_ATOMIC);
dev_kfree_skb(skb);
skb = skb2;
}
- if(skb != NULL) skb_put(skb, extra);
- return(skb);
+ if (skb != NULL) skb_put(skb, extra);
+ return skb;
}
void iter_addresses(void *d, void (*cb)(unsigned char *, unsigned char *,
struct in_ifaddr *in;
unsigned char address[4], netmask[4];
- if(ip == NULL) return;
+ if (ip == NULL) return;
in = ip->ifa_list;
- while(in != NULL){
+ while (in != NULL) {
memcpy(address, &in->ifa_address, sizeof(address));
memcpy(netmask, &in->ifa_mask, sizeof(netmask));
(*cb)(address, netmask, arg);
struct in_ifaddr *in;
__be32 *mask_out = m;
- if(ip == NULL)
- return(1);
+ if (ip == NULL)
+ return 1;
in = ip->ifa_list;
- if(in == NULL)
- return(1);
+ if (in == NULL)
+ return 1;
*mask_out = in->ifa_mask;
- return(0);
+ return 0;
}
void *get_output_buffer(int *len_out)
void *ret;
ret = (void *) __get_free_pages(GFP_KERNEL, 0);
- if(ret) *len_out = PAGE_SIZE;
+ if (ret) *len_out = PAGE_SIZE;
else *len_out = 0;
return ret;
}
char *remain;
remain = split_if_spec(str, dev_name, mac_out, gate_addr, NULL);
- if(remain != NULL){
- printk("tap_setup_common - Extra garbage on specification : "
- "'%s'\n", remain);
- return(1);
+ if (remain != NULL) {
+ printk(KERN_ERR "tap_setup_common - Extra garbage on "
+ "specification : '%s'\n", remain);
+ return 1;
}
- return(0);
+ return 0;
}
unsigned short eth_protocol(struct sk_buff *skb)
{
- return(eth_type_trans(skb, skb->dev));
+ return eth_type_trans(skb, skb->dev);
}
projects / linux-2.6-omap-h63xx.git / blobdiff